| http://www.w3.org/ns/prov#value | - Plastic material would be either thermosets such as epoxy, phenolic and polyester or thermoplastics such as polyester, polyimide, polysulfone, polyetherketone, polyamide, polyphenylene sulfide, liquid crystal polymers, polyetherimide, polyarylate, polycarbonate or other plastics and plastic alloys commonly known as engineering resins.
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