橡胶有多种分类方法：按其来源可分为天然橡胶和合成橡胶两大类；按照用途合成橡胶又可分为通用橡胶和特种橡胶，大批量生产的通用橡胶品种有：乳聚丁苯橡胶、溶聚丁苯橡胶、顺丁橡胶、异戊橡胶、氯丁橡胶、乙丙橡胶和丁基橡胶等，它们主要用来制造各种轮胎和一般橡胶制品。
考察了易与橡胶共混的改性聚氯乙烯树脂(PVCR)在通用橡胶(NR, BR和SBR)和胶管、胶带胶料中的应用情况。
The application of a modified PVC (PVCR) partly instead of NR, BR or SBR in rubber hose and belt production was investigated.
通用电子公司的一队科学家绞尽脑汁尝试了他们所能想到的所有材料希望能创造出一种类橡胶的材料。
General Electric had a whole team of scientists throw together every chemical they could think of in hopes that it would create something rubber-like.
这种东西完全不能替代橡胶，通用电气公司尝试将他送到世界各地的科学家手中希望有人能发现它的用途。
It was so useless at replacing rubber that GE tried to send it to scientists around the world in hopes that someone, anyone, could figure out something to do with it.
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