Plastics—Polyoxymethylene(POM)moulding and extrusion materials—Part 1:Designation system and basis for specifications
IDT ISO 9988-1:1998
全国塑料标准化技术委员会塑料树脂通用方法和产品分技术委员会(SAC/TC 15/SC 4)
GB/T 22271的本部分规定了聚甲醛（POM）热塑性材料分类基础的命名系统。
聚甲醛是由甲醛合成的长链均聚物和共聚物构成的热塑性材料。聚合物的主链是由甲醛聚合而成，其主要重复单元是—CH2O—。
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