One of these petroleum by-products is isoprene. This is used to make the synthetic rubber in car tyres.
还有个石油副产品是异戊二烯(译者注：橡胶基质)，用来生成汽车轮胎需要的合成橡胶。
2
This is because they are made from a petroleum-based synthetic material that is designed to provide chemical resistance.
这是因为它们是由一种以石油为基础的合成材料制成的，目的是为了有耐化学性。
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As one kind of high molecular weight suffocate hydroxybenzene antioxidant, antioxidant 1010 is widely used in plastic, rubber, synthetic fiber, elastomer, petroleum products and fodder fields.