Plastics .ppt SlideShare
Nov 21, 2011· Plastics .ppt 1. In Plastics, the arrangement of the individualunits may be linear or cross linkedLinear or lightly crosslinked polymers forma class of plastics called thermoplasticsHeavy crosslinking plastics are calledthermosetting plastics 2. THERMOPLASTIC IS A POLYMERTHAT TURNS INTO A LIQUIDWHEN HEATED AND FREEZESINTO A VERY GLASSY ...