【摘要】 840无机复合填料(简称840粉)是以叶蜡石为主要原料,配以若干其他无机物为辅助原料的一种复合多相无机粉状物。840粉的原料来原丰富,生产工艺简单,价格便宜。将该填料粉用于PVC和改性PE微孔泡沫片制品中,添加量可达40份,制品物理机械性能仍能满足国家标准要求。更多还原

【Abstract】 840 inorganic complex filler (abbreviated to 840 powder) is a complex multiphase inorganic powdery substance with pyrophyllite as mian material and a few other minerals as supplementary material. 840 powder is rich in resources,simple to process and low in cost,The addition of powder can be up to 40 parts when it is used to process PVC products and modified PE cellular slices. The physical and mechanical properties of produces with powder of such big amouts will meet the requirement of state standard.更多还原