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1·Effect of chlorinated polyethylene (CPE) on rigid polyvinyl chloride (RPVC) extrusion is studied.

研究了氯化聚乙烯(CPE)对硬质聚氯乙烯挤出性能的影响。

2·White Rigid PVC Scrap (loose), White Rigid PVC Scrap (loose) shall consist of sorted white rigid Polyvinyl Chloride (PVC) scrap.

混杂的硬质PVC 小块（散装） 将包括被分类的硬质聚氯乙烯（PVC） 小块。

3·Colored rigid PVC Regrind, Colored rigid PVC Regrind shall consist of reground flake of sorted rigid Polyvinyl Chloride (PVC) scrap, sorted into a single color.

有颜色的硬质pvc再生(料)将包括被分类的硬质聚氯乙烯(PVC)小块被再生(料)，被排序入一种唯一颜色。

4·BTA series of products are MBS class nuclear - shell impact modifier for rigid polyvinyl chloride (PVC) products such as sheet, film, granules and other products.

BTA系列产品是MBS类的核-壳型抗冲击改性剂，用于硬质聚氯乙烯(PVC)制品，如片材，薄膜，粒料以及其他制品。

5·The ageing of rigid polyvinyl chloride (R-PVC) aggravated by nitric and sulfuric acids was studied by IR, UV Spectroscopy, thermo-analysis and molecular weight determination.

用红外与紫外光谱法、热分析和分子量测定研究了硬聚氯乙烯在硝酸和硫酸中的老化。