NF T31-311-4*NF EN 14469-4:2004 Pigments and extenders - Testing of colouring materials in plasticized polyvinyl chloride (PVC-P) - Part 4 : determination of bleeding of colouring materials
2004NF T31-311-4*NF EN 14469-4:2004 Pigments and extenders - Testing of colouring materials in plasticized polyvinyl chloride (PVC-P) - Part 4 : determination of bleeding of colouring materials