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Fabrics made from certain fiber and fiber blends may develop during the course of wear tufts of entangled fibers, attached to the surface of the cloth & looking small pills. Although a number of methods have been developed for determining the pilling properties of fabrics. It is difficult to simulate the wear conditions by any single machine. Testing of this characteristic is important especially for fabrics meant for garments like sweaters, shirts, blouses. Lingeries, trousers suits & skirts etc.
Specifications :
Determination of effect of ageing on various physical properties of different materials may be carried out by heating the material under test inside an air oven so that the effects of long term ageing are reproduced within a much shorter duration of time .for this determination, physical properties of the material under test are determined before ageing and ageing the test specimen at the specified temperature for a set duration of time and subsequent to the room temperature before conducting the tests again.
For determining the corrosion of surface coating when exposed to a salt environment. Test can be carried out the samples by spraying salt solution into the chamber. The corrosion rates are expressed as weight loss with time. All the inside parts of the chamber made of FRP sheet and outer made of metallic sheet with proper insulation. Top of the chamber made of transparent acrylic sheet.
Technical Data :
As per ASTM B 117 and ISO 9227