标准编号：ISO 7783:2011
中文名称：油漆和清漆 水蒸气传输性质的测定 量杯法
英文名称：Paints and varnishes — Determination of water-vapour transmission properties — Cup method
发布日期：2011-11
标准范围
This International Standard specifies a method for determining the water-vapour transmission properties of coatings of paints, varnishes and related products.It supplements ISO 12572. As far as possible, the procedure, the definitions and the calculations have been taken over from ISO 12572. It is recommended that ISO 12572 be consulted, if necessary, to obtain a better understanding of the procedure specified in this International Standard.Water-vapour transmission rates of more than 680 g/(m(2).d) (i.e. water-vapour diffusion-equivalent air layerthicknesses, Sd, of less than 0,03 m) will not be accurately quantified by the test method described in thisInternational Standard.
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