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塑料成品怎么分辨尼龙料和pp料

2025-03-16 04:32:26

推荐回答（1个）

回答1：

PP聚丙烯为无毒、无臭、无味的乳白色高结晶的聚合物，密度只有0. 90--"0. 91g/cm3，是目前所有塑料中最轻的品种之一。日常最简单的辨别方法是在无色火焰（例如打火机，酒精灯）上燃烧，样品会持续燃烧，有烟，火焰呈现黄色，并带有热机油的味道。
尼龙料，聚酰胺(PA)
外观：半透明至不透明。
燃烧性：难燃，离开火焰后立即熄灭。当在火焰中燃烧时有蓝烟，上端呈桔红色；有融熔、滴落、起泡现象；可以闻到羊毛烧焦气味。

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