Thermoplastic materials are those materials which
A
Do not become hard with the application of heat and pressure and no chemical change occurs
B
Are flexible and can withstand considerable wear under suitable conditions
C
Are formed into shape under heat and pressure and results in a permanently hard product
D
Are used as a friction lining for clutches and brakes
Correct Answer: Do not become hard with the application of heat and pressure and no chemical change occurs
Thermoplastic materials is a type of plastic material that can be cooled and heated several times without any change in their chemistry or mechanical properties.
Examples of Thermoplastic ::
polyethylene, polypropylene, polyvinyl chloride, polystyrene, polybenzimidazole, acrylic, nylon and teflon
