BS EN ISO 7783-1:1996 Paints and varnishes. Coating materials and coating systems for exterior masonry and concrete. Determination of water-vapour transmission rate of free films (dish method)
1996BS EN ISO 7783-1:1996 Paints and varnishes. Coating materials and coating systems for exterior masonry and concrete. Determination of water-vapour transmission rate of free films (dish method)