pp05材料是什么意思-天气预报

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pp05材料是什么意思

更新时间： 2020-11-30 14:41:11

PP是一种聚丙烯塑料，0.5属于该塑料的一种规格型号。聚丙烯的化学性质较为稳定，除了能被浓硫酸、浓硝酸腐蚀以外，其它化学试剂一般对它起不了作用。PP材料一般都有较低的热变形温度、低光泽度、低刚性、低透明度，但是它却有着更强的抗冲击强度，聚丙烯的冲击强度随着乙烯含量的增加而增大。聚丙烯无毒、无味、密度小、但是温度低时会变脆、不耐磨、易老化。

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