The results showed that the import PE100 pipe materials were mainly butene-copolymerized HDPE, their Izods were two times higher than domestic materials and their OITs were longer.
结果表明，进口pe10 0级管材料主要是1 -丁烯共聚的HDPE，其冲击强度大于国产管材料的两倍，氧化诱导期长。
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