引 言
PVC压延膜是改色膜常用的基膜之一,具有质轻、力学强度高、绝缘性能好、易加工等特点,其压延工序主要为:混料—热挤出—压延(挤压、引离、压花)—冷却—收卷。
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解决办法 |
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薄膜晶点多 |
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薄膜粘辊 |
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