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ASTM F 963 Clause 4.12.2
% L1 M, T: L! F5 W9 u Bag or plastic film with a minor dimension of 3.94in.(100mm) or less. Bag dimensions shall be measured while in the form of a bag, not cut open into a single thickness sheet.% V. M1 k E ?; T8 k
本来一直以为ASTM是有一边尺寸小于100mm,就不需要做厚度测试了,今天一看,发现不是如此,这句话的意思应该是当塑料薄膜和袋子的短边的尺寸为3.94in.(100mm).袋子的尺寸应该以袋子的形状来测量,而不是剪开成为单层薄膜来测量.
+ G, x) ^1 B: v P0 l, V% O7 m& h, ?, F. B$ \. o1 K
请教是不是一边尺寸小于100mm,一边尺寸大于100mm的包装薄膜都需要做厚度测试呢?按照上句话的理解的话,那上面说的Bag dimensions shall be measured while in the form of a bag, not cut open into a single thickness sheet. + J$ p8 G3 e' A& d: d
dimension 是指袋子的尺寸大小还是厚度大小呢??欢迎大家讨论,谢谢 |
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