Plumbing Parkhttp://www.plumbingpark.co.uk/Latest news enPlumbing ParkPlumbing ParkRITE-LOK Pipe Sealant PS77 meets the requirements of the Water Regulations Advisory Schemehttp://www.plumbingpark.co.uk/plumbing_hvac_article13601.htmlThu, 24 Dec 2009 00:00:00 GMTRITE-LOK Pipe Sealant PS77 from 3M has received independent accreditation that it meets the requirements of the Water Regulations Advisory Scheme (WRAS). The product has been tested by Intertek against the criteria of BS6920:2000 Part 1 (Suitability of non-metallic products for use in contact with water intended for human consumption with regard to their effect on the quality of the water) and