PP-R Features: Sanitary and nontoxic, environment friendly; Erosion-resistant, no precipitate; Long service time, 50 years good pressure resistance, can bear max. 32kg/cm2; Excellent low temperature resistance, it will not break under the environment of temperature -20; Good heat keeping characteristic, thermal conductivity is only 0.5% of metal pipe, low drag index; Easy melting connection by special tools. PP-R Applicated Field: Used as cooling and hot water pipe in public and civil building; Used in industry for living water, oil, and corrosive liquid, etc. Used as condenser pipe in air condition system; Agriculture irrigation; Heat supply system, water under 70 as medium; Low temperature heat radiation heating system.