Polypropylene (PP),with high volume resistivity ( R v ) is mainly used as insulating materials.In order to improve its antistatic and electromagnetic shielding properties,the R v must be lowered.

• 聚丙烯具有较高的电阻率,一般被作为绝缘材料使用,但为了改善其抗静电性和电磁波屏蔽功能,需降低其电阻率。