ISO 4591-1992 塑料薄膜和薄片.样品平均厚度,卷平均厚度及单位质量面积的测定称量法(称量厚度)

标准号：ISO 4591-1992
中文标准名称：塑料薄膜和薄片.样品平均厚度,卷平均厚度及单位质量面积的测定称量法(称量厚度)
英文标准名称：Plastics; film and sheeting; determination of average thickness of a sample, and average thickness and yield of a roll, by gravimetric techniques (gravimetric thickness)
标准类型：G31
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：G31
国际标准分类号：83.140.10
适用范围：This International Standard specifies— a method for the determination of the gravimetric thickness of a sample of plastics film or sheeting (see clause 3);— a method for the determination of the average gravimetric thickness and, if required, the yield (area per unit mass) of a roll of plastics film or sheeting (see clause 4).These methods are applicable to all plastics films and sheeting, and have special value when mechanical scanning is not sufficiently precise, particularly for measuring the thickness of embossed sheeting.