Topilene J742S是嵌段共聚物具有高流動性，并為注塑用于其沖擊強度和剛度。

Topilene J742S Hyosung Chemicals PG PP Impact Copolymer

Hyosung boasts of highly qualified engineers and state-of-the-art facilities to help customers overcome technical challenges and develop new applications. Hyosung's PP (Topilene) resin is used in many applications, including PPR Pipe Grade, for hot water, Heat Sealing film Grade, HCPP (High Crystallinity PP) and Grade, for general uses as well.

聚丙烯樹脂無毒、無味，密度小，強度、剛度、硬度耐熱性均優于低壓聚乙烯,可在100度左右使用.具有良好的電性能和高頻絕緣性不受濕度影響,但低溫時變脆、不耐磨、易老化.適于制作一般機械零件,耐腐蝕零件和絕緣零件 。常見的酸、堿有機溶劑對它幾乎不起作用，可用于食品容器。改性聚丙烯可用于家電，汽車領域，冷熱管件等.

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