prov:value
| - Suitable materials include plastics, polymers, or composites such as polypropylene, polyethylene, polycarbonate, polyvinylchloride, polyurethane, tetrafluoroethylene (e.g., TEFLON???), polytetrafluoroethylene (a.k.a., PTEF), acetal resin (e.g., DELRIN???), chlorotrifluoroethylene (e.g., KEL-F???), acrylonitrile butadiene styrene, styrene butadiene, nylon, olefin, acrylic, polyester, moldable silic
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