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1 Products availableLeading Manufacturer, Supplier & Retailer of Digital Shore a Hardness Tester, Rolling Ball Tack Tester, Torque Tester, Melt Flow Index Tester and Perforation Tester.
Perforation in packaging is the process of introducing small holes at the end of the packaging of two products to separate them easily. The perforation tester is a testing instrument that is used to determine the minimum amount of force that is required to separate two different packets from the perforated area. The Prestos Perforation tester is an ideal testing instrument that is used in packaging industries for testing the strength of the perforations applied on various packaging material.
PrestosVacuum leak Tester with HMI Displayis an amazing and user-friendly testing machine which is designed as per the standards to guarantee the test accuracy. The instrument is used for visual checking of containers seal and tetra pack when the seal integrity of the foiled cups is provided with an amount of vacuum. The defined amount of vacuum is created inside the chamber to measure the integrity of the samples and to assess the leakage of the foiled cups to confirm the intactness of the seals.
PrestosMelt Flow Index testeris designed exclusively for the perfect measurement of melt flow rate of molten plastics or granules. ThePlastic melt flow index testeris calculated by performing a manual/ automatic test procedure on a testing instrument in order to check themelt volume rateof the flow of plastic granules (which is measured in grams in a precise time of ten minutes). The procedure passed through a die having a particular measurement in diameter and length. It is carried out under a specific pressure and temperature with the ideal position of a piston in a cylindrical container inside a heated metallic barrel.
Presto is a leading manufacturer and supplier of melt flow index tester, melt flow resistance (MFR) Tester, Polymer testing machine, plastic granules testing instruments etc. all over the world for the purpose of flow rate testing. Thetesting equipmentmeets ISO and ASTM standards with the main focus on meeting the principal circumstances of load and temperature.
The PrestosMelt Flow Index Testerhas a PID temperature controlled based on Micro Processor. Its temperature range varies from ambient to 400C.
It also has a very good resolution of 0.1C with the accuracy of 0.1C. The testing instrument has a pre-settable digital timer extensible up to 59 minutes, 59 seconds and with the signal output. The instrument ensures easy operation and accuracy.
Presto, as Melt Flow Index Tester manufacturers, provides superior quality testing instruments with best specifications which are totally different from other products currently available in the market. We manufacture our product with a different outlook and with a unique design. Following are the details:
Torque tester is a very useful device in determining the rotational force required to open the cap of the bottle. Torque is very important to assess, so that bottle can be opened by the intended user in critical applications like pharmaceutical. Digital model comprises of four pegs to hold the bottle and gripping the bottle for anti-slippage. In digital model, the cap of the bottle is held by a holder and the platform having pegs rotate to open the cap. The torque sensors detect the force applied and process the signal into electrical form and display it on the screen.
It has adjustable pegs to accommodate bottles of different sizes. Thus, one machine can serve the purpose efficiently in wide array of applications.
Prestos Co-efficient of friction tester is mostly used to evaluate the coefficient of starting and sliding friction of plastic sheets, papers, films, and pipes. It measures the kinetic and static friction of the test specimen when it slides over substance in a specified test situation. The test is done to evaluate the stackability of plastic sheets and films. These test procedures help plastic manufacturers to avoid accidents due to resistance in loading, packaging, and transporting materials. The uneven sheet thickness could result in enhanced friction, which leads to uneven strength.
Co-efficient of friction methodology replicates the degree of mistreatment a plastic film can successfully endure without affecting the contents. It is a very simple and easy to use instrument designed specially to authenticate the friction that subsists between two surfaces duly covered by the plastic material. In many types of plastic films, slip properties are generated by default due to additives.
Presto designs and manufacturesHot Tack Testerfor hot tack and heat seal performance tests. These tests are performed for plastic films, laminated films, and other packaging films. The device is used for the tension, peel, shear, and other test items for adhesive tapes, laminated films, plastic films, adhesive, paper and other flexible materials.
The device is basically used for various tests. The hot tack performance such as plastic films, sheets, and composite films, for example, PET, PP, and composite films that are used in packages for instant noodle, milk powder, washing powder, food, and drugs. The heat seal performance of the device is used in plastic films, sheets, and composite films whereas the peel strength is used for adhesives and adhesive tapes. The tensile strength test is performed for various films, sheets, and composite films.
The machine is finished in Autumn Gray & Blue combination painting and bright chrome / zinc plating for providing corrosion resistant finish. The equipment provided with Instruction Manual, Electrical Wiring Diagram & Calibration Certificate traceable to NABL approved Labs
SPECIFICATION
FEATURE
Prestos Box Compression Testeris used to determine the compression strength or stacking potential of cartons, paper tanks, beehive crates, paper cases, etc. It is designed specially to calculate the compression strength of the box and the weight range chosen to completely crush with a predetermined load for a given time period to estimate stacking load with the help of motorized arrangement.
Box compression testeris arugged instrument with user-friendly controls. Cardboard boxes should have an adequate compression potency so that they do not get crushed when placed one above the other during storage. TheCompression strength BCTof a box can be determined by placing a carton on a rigid metallic base plate and pushing it down from the top with the help of concurrent movable plate. The instrument is available with digital indicator and with a pre-fitted computer system to measure the strength digitally and in graphical format respectively.
features
*Optional Printer Facility
Box compression tester is the most widely used tools in the packaging industry. It is used for testing the stacking load bearing capacity of the boxes. By determining the compressive strength of the box, the manufacturers can estimate the potential to sustain the warehousing and transportation conditions. Apart from cartons, it can be used to test the beehive crates, paper tanks, paper cases etc. Compressive strength further decides the weight range of the packing. The machine comes with a motorised arrange and can be used to perform the creep test or to adjudge the compressive strength of the box.
It is a very simple to operate machine and comes with computer connectivity. This means that this machine can be connected and operated with computer, dual communication. The machine comes with a rigid dual column structure and it has one movable plate. The specimen to be tested is kept in the platform and the movable plate applied a compressive force on the box. The load cell is used to apply the load. Sensors will determine the pressure that is exerted on the box. The electrical signals are processed and displayed on the bright LED scree in human readable form. The data can be logged and transferred in to the computer in graphical format.
features
The phrase scuffing means the surface of an object against another object. Prestos Scuff resistance tester is used to estimate the rub resistance of printed matters and other labels. Here, rub resistance stands for the damage takes place through rubbing. The testing instrument is used mainly in paper and packaging industries to calculate color consistency of coated or printed surfaces while rubbing.
Scuff is defined as the process of rubbing the face of one material in the face of other material. Rub resistance is the damage which has taken place through the rubbing of labels. Prestos scuff resistance tester is used to rub the surface of two printed materials against each other at the same speed, at the same time on the same plane, under a stable rubbing pressure. In manufacturing units, the rub resistance testing instruments can be used in Paper & Packaging verticals to determine the color transfer from coated or printed surface during rubbing.
Drop tester is widely used in different industry to test the drop strength of the corrugated packages. The machine is innovated after understanding the requirements of carton manufacturing industry. The standard operating procedure of the test is very simple. But due to human interference the test results were not accurate as expected. Thus, to eliminate the human interference, Presto has designed a drop tester.
This machine is equipped with a motorised assembly and a pneumatic system for smooth functioning. The operator operates the machine with remote control. The carton specimen that is to be tested is put on the winged structure style platform. The platform is lifted to a certain height as per the test requirement or test standard. The cartons are dropped in 3 ways; flat surface, edge wise, corner wise. A remote control is used to open the wings of the platform so that box can be dropped. The box is visually observed for the damages. This machine is widely used in industry that used carton packages. Drop tester is the perfect machine to check the endurance of the boxes during storage, transit and conversion.
PrestosPeel Adhesion/Bond/Seal testeris used to calculate the permanence of the adhesion ability of self adhesive force sensitive products. The adhesion strength of a product is defined as the pressure required for separating a coated substance, which has been applied to normal test plate under specified circumstances, from another plate placed at a specified angle with predetermined velocity. The product is designed and manufactured as per international standards.
The Peel strength tester is ideal for measuring tear, peel and other frictional properties of adhesives, laminates, glues, fabrics, packaging, coatings, tapes, labels, and other products components and materials. With the seal/bond strength testing instrument, one can accurately measure the average peel strength load over a specific distance per unit width of adhesive. The machine provides a constant rate of extension, constant rate f load control which allows you to perform numerous peel and seal tests with a single machine.The Peel strength tester is equipped with two grips. To perform the test procedure, a sample with a gum coated material is placed between the grips under specified test conditions. The upper grip of the machine is kept fixed while the lower grip move in a downward direction to check the adhesion strength of the coated substance with specified speed.
| Specifications / Models | Digital Model | Computerised Cum Digital Model |
| Display | LED Display | Computerised + Digital |
| Capacity | 20 kgf (Other capacity available on request) | 20 kgf (Other capacity available on request) |
| Accuracy | ±0.5% of the Load Cell capacity | ±0.5% of the Load Cell capacity |
| Resolution | 0.001 kg | 0.001 kg |
| Sensor Type | Universal ‘S’ Type | Universal ‘S’ Type |
| Test Speed | 300 mm/min. | 300 mm/min. |
| Power Suppy | Single Phase 220-240V AC, 50Hz. | Single Phase 220-240V AC, 50Hz. |
| Power Consumption | 0.5 Kw | 0.5 Kw |
| Motor | Single Phase 1/4 HP , 1440 rpm | Single Phase 1/4 HP , 1440 rpm |
| Paint | Mild steel Powder coated Havell Gray & Blue combination finish and bright chrome / zinc plating | Mild steel Powder coated Havell Gray & Blue combination finish and bright chrome / zinc plating |
| Sample Type | Plastic film , Tape, Sticker,etc | |
| Industry | Plastic and Packaging | |
| * Fixture for 90 ̊ Peel available on request | ||
| * Standard Model comes along with grippers for 180 ̊ Peel | ||
Peel Adhesion/Bond/Seal Strength Tester is a proficient testing instrument which is used to evaluate the adhesion strength or peeling capability of a self-adhesive pressure sensitive specimen. The machine has universal uses such as it is applied in the quality control of plastic films, foils and other packaging material. It is basically utilized to test the amount of pressure at which the film is peeled off. This factor is very important to judge the quality of the material and can be categorized as per the requirement.
The Digital cum computerised version of peel tester is equipped with the latest advanced technology. The operator can easily connect the testing instrument with the computer and can install the software for further use. After this, one can easily transfer the data and record it for generating comparison graphs.
Prestos Bottle burst tester is a very useful testing instrument used for testing cans and packs, CSD line bottles mainly where pressurized lines of carbonated liquid are filled. The specimen is placed firmly at the opening and pressure in the form of air is exerted at a controlled pressure.
The thickness of the walls and the design of the bottle play a vital role in this parameter, and the efficiency of the design of a bottle is tested by this instrument. By Testing the bottles, important things like the bottle expansion volume and the burst pressure are determined. The testing machine is also equipped with a digital presettable timer with a maximum time limit up to 999 seconds. The machine also offers auto cut off facility.
The Bottle burst tester is equipped with hydraulic controls for exerting air pressure. The machine is also incorporated with auto pressure hold facility for maintaining pressure for a particular period of time at a particular pressure.
While operating the machine, essential safety precautions are taken which ensures that the testing instrument will work safely as per international safety guidelines. The machine is fabricated with a secure steel outer casing to fulfil thesame.
FEATURES
Torque Tester Digital Motorised is a new generation fully automatic motorized torque tester. It gives Torque in digital format. The digital display is a sophisticated high-end read out with Auto Tare (ZERO) set facility and Peak Hold arrangement. The test sample is placed in between the anti-slip holders/pegs for the strong holding of the test sample.
Presto Stantest manufactures the best quality of Torque Tester to examine the quality of the Torque of the Bottle Caps. The testing device is widely used in PET Bottle Industry and pharmaceutical industries. It is the motorized model which provides the result in digital format. The instrument is also known asPluto Series.
The testing machine is used in pharmaceutical and PET laboratories to test the quality of the torque of the PET bottles. The instrument provides the facility of Auto stop function when it touches the angle of 60 Degree. The testing machine automatically gets restored to its initial position after the testing is done. The device is also incorporated with the integral calibration mechanism. It provides easy clamping to clamp the test sample easily to perform the test. The testing machine is fitted with an extremely accurate digital display that helps to read the testing results easily. It is the best testing machine which is necessary for the rotating components.
Torque Tester is designed to provide accurate and precision based torque value which are not otherwise obtained by manual twisting. The instrument is used for testing the opening force of the PET bottles when subject to a load under twisting.
Prestos stiff resistance tester is the perfect tool to measure the flexural strength of the paper and linear boards or paper boards. Assessing this property is important as it decides the economic value of the paper. It complies with the testing standards of TAPPI T489 OM-08. It measures the flexural rigidity of the test sample very precisely. This is one of the best methods to determine the quality of the paper and paper boards. The resistance of paper depends on various factors like its composition at the time of manufacturing.
To test the paper, the specimen is mounted on the tester using the clamping system. Located at the pendulum, the lower faces of the clamp jaws are at the centre. The jaws adjust themselves according to the different thickness of the test paper. To get the accurate test results, the test and angle of deflection are kept constant. To get the value of the test, the load is applied on the lower end of the specimen. It is the perfect way to determine the quality of the paper. Stiff resistance tester helps in segregating the substandard paper from the high quality. It is one of the most important test instrument used in paper industry. Presto offers this instrument at very competitive prices. Calibration certificate is provided along with the instrument. This certificate is valid for one year.
Prestos bursting strength tester is a perfect instrument to measure the resistance of a material against the pressure applied. It is widely used in industries to test the bursting strength of the materials like paper, cardboard, rexine, leather, industrial fabric, sheets, etc. A hydraulic pressure is applied to the sample via a rubber diaphragm. The medium for creating hydraulic pressure is glycerine. The test is an escalated test to assess the properties of the material in extreme conditions. Theinstrumentis assembled using a stiff metal base plate with a combination of Autumn Gray and Blue coloured painting and bright zinc/chrome plating to provide it a rust resistant finish.Thelaboratory equipmentcomes with two spare diaphragms, Instruction guide, Electric wiring Diagram, Test foil set and Calibration Certificate traceable to NABL approved Labs.
It is one of the most reliable tests to understand the behaviour of the product in real working conditions. It has been popularly incorporated into work flow in different industries to cut down the wastage and rejection due to failure of sample. The machine is loaded with high end features that makes it easy to operate. The sample that is to be tested is clamped in with adequate pressure. The grip should neither be very tight nor too loose, otherwise it would impact the readings. The sample is clamped manually, this is why it is very important to understand the accurate gripping force. If it is too loose, the sample would slip as pressure is applied. When the pressure is applied, the diaphragm inflates and applies a force on the sample. The sensors will capture the pressure to rupture the sample. The electrical signals are processed and values are displayed in a human readable format on the screen.
features
Bursting strength tester is the most widely used machine in industries where raw materials like paper, cardboard, cloth, rexine, leather, foil, etc. is used. This machine is used to check the bursting strength of the material. It works on the very simple principle of applying pressure until sample ruptures. The pressure is not applied directly on the sample. A hydraulic pressure is applied via rubber diaphragm. The medium of pressure will be glycerine oil. Calculating the bursting strength is the perfect way to calculate one of the properties of the material.
The machine is made up of high quality parts and has very low maintenance. It comes with some low-cost consumables like diaphragm and glycerine which can be replaced without any hassle in case of wear and tear. The life of diaphragm depends on the number of the tests performed. To perform the test, the sample is clamped in the annular clamp. It is always advised to clamp the sample with nominal pressure. If the clamped sample is loose, it will tend to slip after the application of pressure. If it is too tight, more than required pressure need to be applied. This results in inaccurate readings. The machine is very simple to operate and it comes with a calibration certificate. The machine comes with a bright digital display.
Prestos Drop Tester is designed as per IS: 7028, Part IV standard. It is a useful instrument to determine the transport value of solid fibre boxes, corrugated boxes and shipping containers. It has an angular drop arrangement to correctly determine the transport worthiness of the package from all angles.
The drop test is performed to measure the ability of corrugated boxes and fibreboard cartons and containers to stand with vertical impact in free drops. The test is performed one time and more than one time to analyse various conditions that occur on a package during transit and handling. It serves as the best equipment for performance analysis and package design before production and use.
Reason for testing:
The drop test is performed to gauge the effect of shock in transit to avoid the progressive deterioration of products that can keep the product to be unused.
Drop tester is widely used in several industries to test and to substantiate the potency of corrugated boxes. The machine operates by dropping a test specimen from a certain height to ascertain the strength of the specimen. The testing equipment can be customized and made available in different specifications as per the demand of the customer.
Standards :
Type of tests:
PrestosCobb sizing testeris designed and manufactured for quickly determining the quantity of water absorbed by a paper or cardboard in a specific time period. The Cobb value of a substance means the quantity of water absorbed in a given time by a 1 square meter sample of cardboard, corrugated board, or a paper under different conditions. Thetesting instrumentprovides accurate and measurable results.
The Cobb sizing test is done to determine an adequacy level of paperboard, in which a test sample is first weighed and then placed in a watertight rubber base cylindrical ring. Now, the cylindrical container is filled with sufficient quantity of water, exposing the upper side of the sample to the water. After a specific time period, the water is drained, and remaining water blotted off the surface of the paper, and the weight of the sample is measured again. The increased weight the sample has gained is its water absorbency.
Cobb Sizing Tester is used to determine the amount of liquid penetration into a sheet, corrugated box or paper.It is a hand operated instrument that provides clamping and sample positioning. The instrument supports automatic clamping and releases to fix and release the sample easily.
In printing industry, checking the abrasion of ink is the most intricate task. There are certain methods, but guarantee of accuracy is very less. To overcome the challenge Presto offers a highly accurate and precise ink abrasion resistance tester. This instrument has been innovated after years long research. It puts the test sample through extreme conditions. This has been designed specifically to analyse the resistance of the printed material against rubbing and scuffing. This instrument has been utilizing efficiently in many industries to assess the properties of the printed materials. Physical conditions contribute a lot in deteriorating the ink of the printed material.
Using the ink abrasion resistance tester, manufacturers can make printing material to withstand with different physical conditions. The machine is designed with high-end mechanism to deliver noise free operation. It ensures that there is a uniform load distribution across the test area. It helps in determining the photosensitive coatings and inks. Manufacturers can make the bonding of the ink strong enough to make it perform better in real working conditions. In this test, the bonding of surface with ink is put on analysis. Rub resistance describes the ability of printed material to withstand marking, scuffing or smudging during handling in conversion, packaging, distribution and use simulates a similar environment to test the rub resistance on printed materials.
Cone Crush Tester is a high-quality and reliable testing instrument which is used for evaluating the crushing strength of cones composed of cardboard, paper tubes, bobbins and other types of core packing material. The functioning of the machine is dependent on the principle of radial crush test method. Unlike other testing machines, this equipment is constructed in a way that the forcegenerated is put to 66% of the testing samplesurface. The machine delivers such a precision degree that even a minute collapsing load can be easily recorded and saved. The accuracy in the inspection is obtained with a Load cell and Microprocessor based digital indicator which is installed with the machine.
FEATURES
Prestos cross hatch cutter is an effective cutting tool used widely in paint and plating industries. It is available with maximum 3 blades. The testing Instrument is used to assess the resistance to separation of the coating from the specimen. Prestos Cross hatch tester is a safe and portable instrument that can be used by anyone. The size of the cutter is determined on the basis of the plating thickness of the substrate.
The laboratory equipment is widely used in multiple forms to assess the resistance of paint coatings. Measuring the adhesion strength of coatings such as glue, paint, varnish, etc. is important to make sure that the coating has done perfectly with the material and is performing well. The cross hatch tester is designed to assess the strength of the coating and provides a quick assessment of the quality of the bond to the substrate.
To perform the test, take a piece of sample and place and hold it tightly. Now make a scratch on the test specimen with the help of cross hatch instrument in the vertical direction. The cross hatch tester provides a visual comparison to paint and powder coatings of a specific thickness, which is easy and fast to use.
Scratch hardness tester is a tool to check the resistance of the coating against the scratching due to external physical strain. In this test, a metal piece is coated with the sample of paint or varnish or lacquer that is to be tested. A needle is used to scratch the sample. A specified load is applied on the sample via needle as per the industrial requirements. The needle makes repeated attempt to scratch the sample. The sample is put to test by setting the number of movements of the needle. The test can be done on all type of coatings and other bulky materials like plastics, elastomers and rubbers.
Presto offers motorised model of scratch resistance tester to minimise the human interference. In this machine, there is a motorised assembly to move the needle to and fro, a specified weight is applied on the needle as per the industrial standards. This test determines the scratch resistance and wear and tear of the sample. This machine is widely used in laboratories, quality management departments of the manufacturing units.
Flammability Tester (UL94) is a smart technology which is used to perform the Standardized testing applications for assuring that the Plastic Materials are flammability safe for Parts in Devices and Appliances.
It is very important to note that this test does not compare the real-life fire hazards a specimen can face, it just guidesin categorizing sample as per its resistance to flammability situations. Plastic parts which are utilized by the electronic products or in computer systems must be resistant towards fireincidents. These material can easily catch fire and damage the entire body. Customers demand that the plastic material used in such devices must clear the UL 94 standard. Therefore, selecting the best and reliable testing system is very important.
Top Load Tester is designed to provide Compressive buckling load. The instrument is used for testing the load bearing capacity of the PET containers when subject to an extreme load from the Top direction. It determines accurately the maximum load a PET container can bear without any deformation or failure.
The performance of containers in production and transportation is a matter of concern for a manufacturer. Product ruptures or failures during shipping, packing, warehousing are very costly to bear. But at the same time, it can be prevented if the finished material is tested under top load test. PrestoTop Load Testerprovides the digital compressive buckling of the load. It is a fully automatic motorized representation. The Digital display is highly sophisticated and appealing.The testing instrumentoffered an easy display to read and equipped with Auto TARE set facility and Peak Hold arrangement. The tester meets Indian and international standards.
Prestos digital top load tester Digital model is equipped with inverted concave jaws and a load cell. The load sensor of the load cell can be standardized through in-house calibration. The machine works by placing a test specimen between the jaws for zero slippage. The user switches off the machine to view the effect of buckling in the bottle.
Preform Eccentricity Tester is a consistent tool that helps the manufacturer in testing the eccentricity of PET preforms. It is based on the principle that anyhow a preform deviates from being circular. With Preform Eccentricity Tester, PET Preform Eccentricity is checked as the shape, size and quality of the product are more dependent on its eccentricity.
Comes with height adjusting knob to adjust the height of gauge and preform holder. Highly accurate and reliable instrument to measure the eccentricity of Preforms.
The Presto Preform eccentricity checking instrument is a must have instrument for all the laboratories. The testing instrument works on a special revolving mechanism for inspecting eccentricity correctly.The Prestos Preform Eccentricity tester is widely used in different research centers and laboratories for performing the eccentricity tests. It is incorporated with digital control and verified to be highly user-friendly in terms of operations. Moreover, the instrument is delivered with qualitative packaging to maintain its security during the transition. Numerous quality checks are performed on the instrument before supplying it to the customers so that it can offerexcellentPreform Eccentricity Tests.
Puncture Resistance Tester is a consistent tool useful to determine the resistance to puncture of paper and paperboard. Puncture Resistance Tester is used to measure the resistance of paper, paperboard and other similar materials when subjected to puncture and determination of absorbed energy.
Puncture resistance is a measurement of the maximum energy or force required to penetrate an object. This kind of biaxial tension is seen in packaging films while packing hard protrusion such as frozen vegetables and dry foods.
Prestos Puncture Resistance tester is an exceptional packaging detection instrument used to determine puncture resistance of paper & packaging materials. Anti-puncture is an important parameter that determines the quality of various materials from thin paper to thick boards.
The paper boards or corrugated box may get a force from the pointed corner of any object during transportation and handling. The same effect is emitted by the puncture resistant testing instrument. The superior the quality of a corrugated box replicates its superior resistance value.
Puncture Resistance testing instrument is widely used to detect packaging and puncture resistance of paper materials. To operate the machine, the test specimen is placed between the holders on a fixture and penetrated with the help of a pendulum that can be released from a position of 90 Degree. Point the head of the pendulum in a pyramid shape. To specify the different scales, different weights are provided in the pendulum. A pointer is also affixed on the pendulum, which provides accurate readings on a calibrated scale.
FEATURES
Tearing Strength Tester is a consistent tool useful to determine the tearing strength of fabrics, plastic films, and similar materials. Tearing Strength Tester is the tensile force required to rupture a pre-slit sample under controlled test conditions.
Tearing Strength Testers are high quality, low cost and accurate falling pendulum tear testing equipment having an analog display used to determine the average force required to propagate a single tear starting from a cut in plastics, paper, cardboard, woven fabrics and non-woven fabrics with proper configuration. The model also meets ASTM standards.
Tearing strength tester is a laboratory test equipment used to evaluate the average force in grams per sample essential to spread, tearing through a specified length of non-rigid sheets or plastic films. The tester works on the principle of determining the internal tearing resistance, the force perpendicular to the surface of the sheet needed to split multiple plies through a specified area after the rip has been started.
The instrument is also used in textile industry to measure the strength of fabrics or other similar materials. The strength of fabrics is calculated by measuring the work done in tearing through a fixed length of test specimens using Elmendorf Tear Tester.Tearing strength tester is used to calculate the average force per sample in grams required to circulate tearing throughout an individual length of non-rigid sheeting or plastic film. Two samples can be placed one with a rectangular shape and another with constant radius testing length. The instrument is equipped with a constant radius testing length. The tester is duly fitted with a pendulum that exerts the force and determines a loss in the potential energy of the pendulum equating to work done, required to tear the paper
FEATURES
SPECIFICATIONS
Preform Perpendicularity Tester is a consistent tool that helps the manufacturer in testing the perpendicularity of PET preforms. It is based on the principle to test the accuracy of the shape and size of preforms. With Preform Perpendicularity Tester, PET Preform Perpendicularity is checked as it is dependent upon the shape, size, and quality of the product. It had a basic turntable where the preform is placed and rotated with a probe checking the differential in movement.
Prestos perpendicularity tester is widely used to check the perpendicularity of PET bottles and performs. The instrument is equipped with a basic turnable where the bottle specimen is placed and revolved with a probe to check the differences in movement.
The product is engineered to provide reliable output and to detect the least deviation set perpendicularity. The testing machine has a digital readout of movement which provides accuracy up to 0.01mm least count.
PrestosDart Impact Testeris used to determine the impact of load on a plastic film under specific conditions to analyze the effect of a free falling dart. A load of falling dart damages the plastic film under specified conditions. Thetesting instrumentis widely used in plastic industries for judging the strength and stability of the plastic films and similar products.
Dart Impact is also known as impact failure load of plastic films is described as the load of the hemispherical shaped dart, falling on the plastic sheet or film held in a suitable clamp from a particular height, which causes the collapse of 50% of samples tested. Dart Impact Tester is a very beneficial tool for clearly controlling peak and normal strength characteristics to speed up the additives and production settings and adjustments, research and development of sheet and film materials.
PRESTO Dart Impact Tester is widely used by plastic film manufacturer for assessing the strength and durability of their plastic films, flexible films, sheets and similar other products. Works according to both Method-A and Method-B of test standard.
Prestos Dart Impact Tester is a method to evaluate the strength or toughness of a plastic film. The test comprises of dart configuration and drop height with a different weight of the dart. Test results can be used as a quality control evaluation and also for end use assessments.
The dart is designed in a hemispherical form that can be dropped from uneven heights. It is held by aelectromagnetic dart holder which released by pressing a button from varying heights. A user can set the height of the dart manually. The result can be viewed from the digital panel.
Vishal Malhotra (Presto Stantest Private Limited)
I -42A, Dlf Industrial Area, Phase-1, Delhi Mathura Road, Faridabad, Haryana - 121003
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