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Polypropylene (PP) is light, strong, having resistance to chemicals and with a low friction surface, all of which make it ideal as a replacement for wood or metal which are the materials traditionally used. PP is a high corrosion resistant material, which exhibits excellent tensile strength and stiffness at elevated temperatures.
Homopolymer Polypropylene is harder, possesses excellent resistance to organic solvents and degreasing agent as well as electrolytic attack. Compared to low or high-density polyethylene, it has lower impact strength but superior working temperature and tensile strength.
Copolymer Polypropylene is harder than HDPE and likely to show good properties in lower temperatures. Copolymers have better impact strength, are good at lower temperatures than homopolymer & exhibit slight fall in other properties. Copolymer sheets are suitable for vacuum/ thermo-forming and mechanical fabrications.
Applications :
Shibaam Nylon Rods, Bushes, Profiles, and Machinery parts are characterized by a combination of high strength, toughness and abrasion resistances. Shibaam products replace metals in various engineering applications as they are manufactured by Extrusion Technique and therefore they have excellent physical and mechanical properties, some of the outstanding characteristics are as follows :
APPLICATIONS
| ENGINEERING | Gears, cams, sprockets, bushes, bearings, gaskets, pulleys, liners. |
|---|---|
| TEXTILE | Loom pivot bearings, gears for loom and knitting machines, shuttles, rollers, cams, and cam followers. |
| METAL | Bearings, bearing cages, slipper pads, gears, bushes, wear strips, rollers, eccentric rollers, wobble box inserts. |
| MATERIAL HANDLING EQUIPMENTS | Cranes/Fork lifts/Conveyors, Ropeways |
| AUTOMOBILE | Wear rings, pads, swivel bushes, throttle linkages, bushes, shackle pin bushes |
| PAPER / SUGAR MILLS | Gears, bushes, pulleys, rollers bearings |
| BOTTLING & FOOD PROCESSING | Star wheels, scrolls, guides, cams, cam followers, rollers, timing screws |
| RAILWAYS | Bushes, wear plates |
| CHEMICAL | Balls, gaskets, liners, nuts & bolts |
| MARINE | Bushes, gears, rings, trunnion bearings, rollers and roller bearings stern |
PROPERTIES OF NYLON RODS
| Property | Condition | Test Method | Unit | Value |
|---|---|---|---|---|
| Specific Gravity | Dry | ASTM D792 | - | 1.12.1.14 |
| Water absorption 24 hrs. | Dry | ASTM D 570 | % | 3.5 |
| Saturation | Dry | ASTM D570 | % | 8.5 - 10.0 |
MECHANICAL PROPERTIES
| Property | Condition | Test Method | Unit | Value |
|---|---|---|---|---|
| Tensile Strength | Dry | ASTM D638 | Kg/cm2 | 800 |
| Tensile Strength | Moist* | ASTM D638 | Kg/cm2 | 500 |
| Elongation at break | Dry | ASTM D638 | % | 30-100 |
| Elongation at break | Moist* | ASTM D638 | % | 200-300 |
| Modulus of elasticity | Dry | ASTM D638 | Kg/cm2 | 23000 |
| Modulus of elasticity | Moist* | ASTM D638 | Kg/cm2 | 6000-13000 |
| Flexural Strength | Dry | ASTM D | Kg/cm2 | 1100-1150 |
| Notched Impact Strength Izod | - | ASTM D | Cm - Kg/cm2 | 03/06/22 |
| Shore Hardness | Dry | DIN 53505 | Scale D | 65 |
| Coefficient of friction (nylon / steel) no lubrication | - | - | - | 0.3-0.4 |
| Initial lubrication | - | - | - | 0.05 - 0.1 |
THERMAL PROPERTIES
| Property | Condition | Test Method | Unit | Value |
|---|---|---|---|---|
| Melting Point | Dry | ASTM D569 | 0C | 210 - 216 |
| Flammability | Dry | ASTM D635 | - | Self. Ext. |
| Heat Distortion Temperature 66psi | Dry | ASTM D648 | 0C | 145 - 160 |
| Heat Distortion Temperature 265psi | Dry | ASTM D648 | 0C | 65 |
| Maximum service temperature continuous | Dry | - | 0C | 90 |
| Intermittent | Dry | - | 0C | 130 |
| Coefficient of thermal expansion | Dry | ASTM D696 | 106 / 0C | 100 - 120 |
ELECTRICAL PROPERTIES
| Property | Condition | Test Method | Unit | Value |
|---|---|---|---|---|
| Dielectric Strength | Dry | ASTM D149 | V/Mill | 400 |
NYLON EXTRUDED SHEETS
| THICKNESS | WIDTH | LENGTH |
|---|---|---|
| 10mm to 100mm | 300mm | 1200mm long |
| 40mm to 50mm | 450mm | 1200mm long |
| 10mm to 25mm | 600mm | 1200mm long |
Polypropylene (PP) is light, strong, having resistance to chemicals and with a low friction surface, all of which make it ideal as a replacement for wood or metal which are the materials traditionally used. PP is a high corrosion resistant material, which exhibits excellent tensile strength and stiffness at elevated temperatures.
Homopolymer Polypropylene is harder, possesses excellent resistance to organic solvents and degreasing agent as well as electrolytic attack. Compared to low or high-density polyethylene, it has lower impact strength but superior working temperature and tensile strength.
Copolymer Polypropylene is harder than HDPE and likely to show good properties in lower temperatures. Copolymers have better impact strength, are good at lower temperatures than homopolymer & exhibit slight fall in other properties. Copolymer sheets are suitable for vacuum/ thermo-forming and mechanical fabrications.
Applications :
Specifications
| Property | ASTM | Polypropylene |
|---|---|---|
| Specific Gravity | D769 | 0.902 - 0.910 |
| P.S.I. Tensile Strength | D638 | 4300 - 5500 |
| % Elongation | D638 | 200.0 - 700.0 |
| P.S.I. Comprehensive Strength | D695 | 5500 - 8000 |
| Impact strength (1/2x1/2 in. notched) | D256 | 0.5 - 2.280 (1/8 x 1/2 In bar) |
| Hardness Rockwell | D785 | 80 -110 |
| 105 P.S.I. 73 0F Flexural Modulus | D790 | 1.7 - 2.5 |
| Coefficient of friction | --- | 0.3 |
| -10 4cal sec cm3 C cm Thermal conductivity | C177 | 2.8 |
| Thermal Expansion 105 per 0C | D696 | 5.8 - 10.2 |
| Resistance to heat 0C (Continuous) | --- | 1100 C |
| Ω - cm (23 0C50%) Volume resistivity | D257 | 1016 |
| 1/8 in thickness volts mil Dielectric strength | D149 | 500-650 |
| 1 KHz Dielectric constant | D150 | 2.2 - 2.6 |
| 1 KHz Dissipation (power) factor | D150 | 0 |
| 0 | ||
| 24 / j3.2 mm% Water absorption 24 hr. 3.2 thickness, % | D570 | 0.01 - 0.03 |
| in mm Burning rate | D635 | 0.75 - 0.82 |
| Effect of weak acids | D534 | None |
| Effect of strong acids | D543 | Attacked slowly by oxidizing acids |
| Effect of weak alkalies | D543 | None |
| Effect of Strong Alkalies | D543 | Resistant |
| Effect of organic solvents | D543 | Resistant below 800 C |
Characteristics
Colours : Dark gray(RAL7011), Light gray, Red, Black and any other colours according to customer's requirements
Applications : Machined parts, jointing of structure parts and so on.
Specifications
| Sl. No | Size in MM | Size in Inch | Approx. Weight (Kg.) 300mm Length |
|---|---|---|---|
| 1 | 25.40 X 25.40 | 1" | 0.28 |
| 2 | 31.70 X 31.70 | 1-1/4" | 0.42 |
| 3 | 38.10 X 38.10 | 1-1/2" | 0.6 |
| 4 | 50.80 X 50.80 | 2" | 1.05 |
| 5 | 63.50 X 63.50 | 2-1/2" | 2.15 |
| 6 | 76.20 X 76.20 | 3" | 2.15 |
| 7 | 100.00 X 100.00 | 4" | 3.75 |
