Plastics
A plastic material is any of a wide range of synthetic or semi-synthetic organic solids that are moldable. Plastics are typically organic polymers of high molecular mass, but they often contain other substances. They are usually synthetic, most commonly derived from petrochemicals, but many are partially natural.
Read more about Plastics: Composition, Classification, History, Properties of Plastics, Toxicity, Environmental Effects, Common Plastics and Uses, Special Purpose Plastics, Etymology
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