• 塑料薄膜的主要性能指标与侧试标准
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塑料薄膜的主要性能指标与侧试标准

  • 29/03/2018 08:59:42

塑料薄膜的主要性能指标与侧试标准塑料薄膜主要性能指标的国际通用标准:(1)厚度公差:塑料薄膜的纵向厚度公差应小于2%;横向的厚度公差在2%一15%之间;现代高效的生产线可使薄膜的宽度公差差达到士1mm一士2 mm。用质量法(质量厚度)测定样品的平均厚度和成卷的平均厚度与面积系数…

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