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Plastics - Coggle Diagram
Plastics
Thermoplastics
Polyvinyl chloride (PVC)
Polyvinyl chloride is the world's third-most widely produced synthetic plastic polymer. PVC comes in two basic forms: rigid and flexible.
Polystyrene (PS) 
Polystyrene can be solid or foamed. General-purpose polystyrene is clear, hard
Polyethylene (PE)
Polyethylene is a lightweight, durable thermoplastic with variable crystalline structure.
Thermosetting plastics
Epoxy resin
Epoxy resins are used in the manufacture of adhesives, plastics, paints, coatings, primers and sealers, flooring and other products/
Urea formaldehyde
Urea formaldehyde is the very common chemical and is mostly used because of its chemical properties. Examples are textiles, paper, foundry sand molds.
Melamine
Melamine is an organic-based, nitrogen-rich compound used to manufacture cooking utensils, plates, plastic products, and more.
Properties of Plastics
Hardness, density, tensile strength, resistance to heat and glass transition temperature, and by their chemical properties
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A material, usually a plastic polymer, which becomes more soft when heated and hard when cooled.