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Polyoxymethylene) (Saigang~Trane) < r r>English name: )
< r r> (Polyoxymethylene resin) Definition: Polyoxymethylene is a linear polymer with no side chains, high density and high crystallinity things. According to the different chemical structures in its molecular chain, it can be divided into two types: homopolymer and copolymer. The important difference between the two is that homopolyoxymethylene has high density, crystallinity and melting point, but poor thermal stability, narrow processing temperature range (about ℃), and slightly lower stability to acids and alkalis, while copolymer has high density, crystallinity, melting point, The strength is low, but it has good thermal stability, is not easy to decompose, has a wide processing temperature range (about ℃), and has good stability against acids and alkalis. It is an engineering plastic with excellent comprehensive properties. It has good physical, mechanical and chemical properties, especially excellent friction resistance. Commonly known as Saigang or Duugang, it is the third largest general-purpose plastic. Suitable for making wear-reducing and wear-resistant parts, transmission parts, chemical industry, instrumentation and other parts.