unemployment pe io 失业津贴
Reserve for pe io 恤养准备
PE has a limiting oxygen index(IO) value of 17.4, ABS has only 16.8. Therefore, the flame retardancy of them is very important in widening their application areas.
但它们均属于易燃材料，PE的氧指数为17.4，而ABS的氧指数仅为16.8，这极大的限制了他们的进一步应用。
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