Plastic: Composition, Classification, Moulding, Properties, Uses and Biodegradable Plastic

Plastic: Composition, Classification, Moulding, Properties, Uses and Biodegradable Plastic! Brief History of Plastics: The plastic is one of the recent engineering material which has appeared in the market all over the world. Some varieties of naturally occurring thermo-plastics were known to Egyptians and Romans who extracted and used these plastics for various purposes. A number of scientists carried out experiments [...]