• PP板材挤出生产技术
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PP板材挤出生产技术

  • 30/01/2018 09:48:17

PP板材挤出生产技术板材PP挤出工艺特点:由于PP吸湿性小,因此,原料不需要干燥。PP板材的冷却较慢,热膨胀系数大,所以,模唇开度可小些。生产厚板时,若发现压光机的中辊有空气泡紧贴辊筒时,需多次减压放气。可选用0.5一1.5 g/10 min的PP树脂。口模与三辊的距离不能太长,否…

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