Thermoplastic Polyolefin (TPO) refers to a blend material composed of polyolefin (PP or PE), rubber and some filler (talc, glass, carbon fiber, etc.). These are members of the TPE (thermoplastic elastomer) family.
They generally possess good hardness, flex fatigue and impact resistance. It also has excellent resistance to some chemicals. It has a moderate heat resistance, but poor wear resistance. The processing window is wide, making them easy to process.
TPOs can be used to make tool handles, sporting goods, keypads, bicycle wheel hubs, automotive IPs and weather strips.
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