Tungsten-filled poly is non-toxic and environmentally friendly material which is fully recyclable. It is actually a family of various resins filled with tungsten particles up to 60% by volume and 96% by weight. The poly parts are PP (polypropylene), PBT (polybutylene terephthalate), PU (polyurethane),PA (polyamide), ABS (acryloynitrile butadiene styrene)and TPE (thermoplastic elastomer),etc.
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