prov:value
| - ionomer, acrylic resin, polyethylene terephthalate (PET), or polybutylene terephthalate (PBT), various types of thermoplastic elastomers such as styrene-, polyolefin-, polyvinyl chloride-, polyurethane-, polyester-, or polyamide-based elastomer, silicone resin, or polyurethane; or a copolymer, blend, or polymer alloy mainly containing any one of these substances.
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