试题与答案

下列塑料产品中有热固性的是( ) A.防水手套 B.插座外壳 C.雨衣 D.浴帽

题型:选择题

题目:

下列塑料产品中有热固性的是(  )

A.防水手套

B.插座外壳

C.雨衣

D.浴帽

答案:

插座外壳属于酚醛树脂材料,属于网状结构合成材料,具有热固性.防水手套、雨衣、浴帽都具有热塑性.观察选项,故选B.

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