How Plastics Work

Ever wonder where plastics come from or how they are made? This article covers those things exactly. Find out what goes into making plastic before it can be used to make your part.

They must start with various raw materials that make up the monomers. Ethylene and propylene, for example, come from crude oil, which contains the hydrocarbons that make up the monomers. The hydrocarbon raw materials are obtained from the “cracking process” used in refining oil and natural gas.