LDPE (low density polyethylene) from high-pressure autoclave reactors for extrusion coating with a melt flow rate (MFR) range from 7 to 9 g/10 min with a density of 917 to 920 kg/m~3 has for many years been a uniform commodity.As evolution goes toward faster coating lines,differences in processing performance between various LDPE grades have occurred.Various LDPE grades behave differently in the coating process due to different rheological properties.
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机译：来自高压高压釜反应器的LDPE（低密度聚乙烯）用于熔体流动速率（MFR）为7至9 g / 10 min，密度为917至920 kg / m〜3的挤压涂层，多年来一直是一种随着进化到更快的涂装线，各种LDPE等级之间的加工性能也出现了差异。由于流变特性不同，各种LDPE等级在涂层过程中的表现也有所不同。
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