ppr pipe and ppr alumimum composite pipe and ppr fiberglass pipe ISO certification ... ,ISO14001,SGS,CE,ROHS,DVGW 6. Production temperature: -40 - +110°C 7.Color:Green,White,Grey etc.Properties ... loss and increase flow speed7) Sound insulation (reduced by 40% compared to galvanized steel pipes)8) Light colors ... SERIES PPR PIPE FIBERGLASEE PPR PIPE ALUMINUM COMPOSITE PPR PIPE NFβ PPR PIPE PROJECTOR MODEL