Flexible polyvinyl chloride drinking water pipe or tube has inner layer comprising polyvinyl chloride, rubber, chlorinated polyethylene, methyl methacrylate copolymer and additives

摘要

A flexible tube for conducting drinking water and conforming to the DVGW : W543 guidelines has a water-contacting layer consisting (pts. wt.): (a) polyvinyl chloride (10-80); (b) rubber (5-90); (c) chlorinated polyethylene (5-90); (d) methyl methacrylate copolymer (2-8); and (e) additives.