Plastics -- Film and sheeting -- Determination of water vapour transmission rate -- Part 4: Gas-chromatographic detection sensor method
塑料薄膜和薄板水蒸气透过率的测定第4部分:气相色谱检测传感器法
发布日期:
2019-01-01
JIS K 7129-4:2019规定了一种仪器法,用于使用气相色谱仪测定塑料薄膜、塑料薄膜和多层结构(包括塑料)的水蒸气透过率,塑料表面光滑,没有任何压花部分。
JIS K 7129-4:2019 specifies an instrumental method for determining the water vapour transmission rate of plastic film, plastic sheeting and multi-layer structures including plastics, which have smooth surfaces without any embossed portions, using a gas chromatograph.