... line 2. Sanitary and non toxic Polypropylene pipe for hot and cold water supplyOur pp-r pipe passes 8,760 ... Colors: Grey, green, white or customized color Application:Cold and hot water supply pipelines in civilian buildings like housing buildings, airports ... pipelines.Firm pipeline connection: As polypropylene has good hot melt property, hot melt connection could connect the pipes and fittings made ...