Question

how the pkastic is produced​

Answer 1

Plastic Forming Methods. This technique is widely used forforming thermoplastic materials. It is similar to the casting technique used to form metal components. ... When all the materials has melted the screw thread then acts as a ram and forces the plastic into mould, where it cools and solidifies.

Answer 2

Answer:

Plastics are made from natural materials such as cellulose, coal, natural gas, salt and crude oil through a polymerisation or polycondensation process. ... Crude oil is a complex mixture of thousands of compounds and needs to be processed before it can be used.

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