Rigid cellular plastics -- Determination of water vapour transmission properties
硬质泡沫塑料水蒸气透过性能的测定
发布日期:
2018-01-01
JIS K 7225:2018规定了测定硬质泡沫塑料的水蒸气透过率、水蒸气渗透性、水蒸气渗透性和水蒸气扩散阻力指数的方法。
JIS K 7225:2018 specifies a method of determining the water vapour transmission rate, water vapour permeance, water vapour permeability and water vapour diffusion resistance index for rigid cellular plastics.