标准摘要
[中文适用范围]： 规定了确定塑料薄膜或片材卷的“自由”长度的方法。 该方法适用于长度不超过 100 m 的卷材，作为参考方法。 还规定了测定卷的平均“自由”宽度和不小于 5 毫米宽的塑料薄膜或片材样品宽度的方法，也可用作参考方法。 如果宽度仅略大于5毫米，则该方法的准确度仅为2%。 [外文原描述]： Specifies a method for the determination of the "free" length of a roll of plastics film or sheeting. This method is intended for use with rolls of length up to 100 m as a reference method. Also specifies a method for the determination of the average "free" width of a roll and the width of a sample of plastics film or sheeting not less than 5 mm wide, also intended for use as a reference method. If the width is only slightly greater than 5 mm, the accuracy of the method is only 2 %.
英文名称Plastics — Film and sheeting — Determination of length and width