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DOW™ LDPE 621I Low Density Polyethylene Resin

概述
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一种低密度聚乙烯树脂，适用于要求高熔体强度的泡沫和吹塑薄膜应用。这是一种专为高熔体强度应用而设计的特种树脂，具有优异的膜泡稳定性。

优势:

优异的膜泡稳定性

性能

这些数值为典型性能，并且不用于在规格制定过程中使用。

典型性能

2% MD正割模量 (ASTM D882) MPa (psi) 是否 166 (24100)
2% TD正割模量 (ASTM D882) MPa (psi) 是否 208 (30200)
MD埃尔门多夫撕裂强度MD (ASTM D1922) g (lbs) 是否 320 g
MD拉伸断裂强度（ASTM D882）MPa (psi) 是否 21.8 (3160)
MD断裂伸长率 是否 450 %
TD埃尔门多夫撕裂强度MD (ASTM D1922) g (lbs) 是否 190 g
TD拉伸断裂强度（ASTM D882）MPa (psi) 是否 19.6 (2850)
TD断裂伸长率 是否 620 %
光泽（45度） 是否 40 %
功能性 是否光学性能, 加工
密度 (ASTM D792) 是否 0.918 g/cm3
工艺是否吹膜
开口剂 是否否
抗穿刺（Dow Method） J/cm3（lbs/in3） 是否 3.56 J/cm3 (43 ft lb/in3)
拉伸强度 MD（ASTM D882）MPa (psi) 是否 11.6 (1690)
拉伸强度 TD（ASTM D882）MPa (psi) 是否 11 (1600)
熔点 DSC (Dow Method) in °C(°F) 是否 108 (226)
熔融指数（g/10min @190°C/21.6 kg） 是否 2.3
熔融指数（g/10min @190°C/21.6 kg）(ASTM D1238) 是否 2.3
爽滑剂 是否否
类型是否流延透气底膜, 流延非透气底膜
维卡软化点 °C(°F) 是否 92.2 (198)
落标冲击强度 (ASTM D1709A) g (lbs) 是否 96 g
闭合件种类 是否拉环盖, 盖子
雾度（ASTM D1003） 是否 16.1 %