168彩票网

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        • 精对苯二甲酸
          01

          2017-04

          精对苯二甲酸

          产品简介:精对苯二甲酸(简称PTA)为白色针状结晶或粉末,是生产聚酯切片、长短涤纶纤维等化纤产品和其它重要化工产品的原料。其主要用途是:是生产聚酯纤维(涤纶)、聚酯薄...

          2017-04-01

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