实验结果表明：少量的NBR能大幅度提高HDPE的冲击韧性和耐环境应力开裂性能。
The results show that a small amount of NBR can greatly improve the environmental stress crack resistance(ESCR) and the impact strength of HDPE.
首先，PP发泡材料的成本较低，韧性、刚性、耐疲劳性和耐环境应力开裂性等性能都很好。
Firstly, PP foam has low cost, high elasticity, rigidity. It is durable and performs well under environmental pressure.
聚乙烯电缆护套料的重要性能之一是耐环境应力开裂(ESCR)性能，普通的LDPE树脂不能满足要求。
One of the important performances of polyethylene cable jacket materials is environmental stress-crack resistance, while general-purpose LDPE resin cannot meet all kinds of demands.
聚乙烯电缆护套料的重要性能之一是耐环境应力开裂(ESCR)性能，普通的LDPE树脂不能满足要求。
One of the important performances of polyethylene cable jacket materials is environmental stress-crack resistance, while general-purpose LDPE resin cannot meet all kinds of demands.
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