• 塑料层压板湿胀性2
  • 1

塑料层压板湿胀性2

  • 04/12/2018 09:04:03

在纸张中,纤维的排列方向或多或少与纸页平面相平行.纤维的径向尺寸是纸页厚度的主要组成部分,因而尺寸变化是最大的.在纸页平面内部纤维的更随机的定向,使得面内扩胀或收缩成为纤维轴向和纤维径向尺寸变化的综合结果。因为在纵向,纤维轴向有稍高的定向。层压板在该方向尺寸…

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