flat-film extrusion 中文意思是什麼
flat-film extrusion
解釋
平模擠塑-
The strength of flat film made by casting method is only 55mpa, while that of tubular film made by blown - extrusion method is high to 250mpa and is 2. 5 times strength of cellophane
刮膜法制備的平膜強度較低,而吹膜法制備的管膜強度達250mpa ,是玻璃紙的2 . 5倍,這與分子鏈的取向有關。
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