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            <title>押出机</title>
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            <description>押出机

这里是指塑料押出机也称塑料挤出机, 塑料押出是一种大量生产的工艺，是将塑料透过熔化并形成连续的型材。押出生产的产品包括管材/管道，挡风雨条，围栏，甲板栏杆，窗框，塑料薄膜和薄板/门板，热塑性涂层和电线绝缘层。

[Everplast 双螺杆押出机]
这过程先是将塑料材料（颗粒，颗粒，薄片或粉末）从料斗送入押出机料管。材料通过螺杆和沿着料管所设计的加热器产生的搅拌混料而逐渐熔化。然后将熔融塑料聚合物押入模具中，该模头将塑料聚合物产出预期的成品外观形状, 并依据不同的塑料收缩特性设计冷却系统, 让冷却过程中硬化成实际需要的成品形状。…</description>
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        <category>押出机</category>
        <category>压出机</category>
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            <pubDate>Sun, 25 Aug 2019 07:20:02 +0000</pubDate>
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            <title>塑胶原料</title>
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            <description>塑胶原料
plastic_materials index</description>
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            <pubDate>Sun, 25 Aug 2019 07:17:32 +0000</pubDate>
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