The high impactcopolymer specialty P340A for tubing made the finished product raise its toughness and improve its long - term aging resistance .
研制的高搞冲共聚管材专用树脂P340A使产品的韧性提高,长期耐老化性能得到改善;
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Homogeneous design of experimentation was applied to gaseous copolymerization of ethylene-propylene over spherical Ziegler-Natta catalyst to prepare ethylene-propylene impactcopolymer.
This paper compares the performance levels of selected GMS materials as antistat and mould release agents in homopolymer and random and impactcopolymer PP injection moulding applications.