... than 50 years under normal conditions 20yearsexperience in PPR pipe/bridge Details1. Material:PP-R2Certification: ISO9001,CE3.Color:white/green/ ... radiating system,central air conditioning system,industrial liquids transportarionPPR PIPE/BRIDGE:1.convenient and reliable for installation2.light weight;anti-corrosion ... enduring6.high temperature resistance and high pressure resistant PPR pipe/bridge