DS 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 Defines a method of establishing and evaluating quantitatively the bleeding of pigments from sheets of coloured PVC-P into material of the same kind brought into contact with them.