... , non-toxic, no heavy metal additives, directly apply to the water supply system.2. Corrosion resistant, not scaling, no rust, anti-bacterial ... (Hyosung,Borealis,Yanshan) Mould samples of PPR Pipe FittingOur Production LinePart of Test ProcessPackaging Sample (38x30x27mm, or 38x25x20mm) PN25 ppr pipe fitting for hot and cold water