UNE-EN 1905:1999 PLASTICS PIPING SYSTEMS. UNPLASTICIZED POLY(VINYL CHLORIDE) (PVC-U) PIPES, FITTINGS AND MATERIALS. METHOD FOR ASSESSMENT OF THE PVC CONTENT BASED ON TOTAL CHLORINE CONTENT
1999UNE-EN 1905:1999 PLASTICS PIPING SYSTEMS. UNPLASTICIZED POLY(VINYL CHLORIDE) (PVC-U) PIPES, FITTINGS AND MATERIALS. METHOD FOR ASSESSMENT OF THE PVC CONTENT BASED ON TOTAL CHLORINE CONTENT