logo - 刷刷题
下载APP
【单选题】

下面不属于挤塑聚苯乙烯泡沫塑料的特性的是( )

A.
密度大
B.
压缩性能高
C.
吸水率低
D.
长期高湿或浸水环境下,不能保持其优良的保温性能。
举报
参考答案:
参考解析:
.
刷刷题刷刷变学霸
举一反三

【单选题】Desperately short of living space and dangerously prone to flooding, the Netherlands plans to start building homes, businesses and even roads on water. With nearly a third of the country already cover...

A.
most parts of the country are covered by water
B.
the country is constantly threatened by floods
C.
it will promote the cultivation of flowers
D.
people think it better to live on water

【单选题】泡沫塑料的原材料为()。

A.
聚苯乙烯
B.
环氧树脂
C.
邻苯二甲酸
D.
醋酸乙烯

【单选题】下列关于泡沫塑料说法有误的一项是()

A.
泡沫塑料保持了原有树脂的性能
B.
泡沫塑料加工成型方便、施工性能好等优点
C.
泡沫塑料广泛用于建筑保温、冷藏、绝缘、减振包装等若干领域
D.
泡沫塑料比同种塑料具有表观密度大、导热系数高