Insulated copper tube is for air conditioner installation. The copper tube inside of insulation is compatible for r410a, r407c, r404a, r507 and r22 refrigerants. The copper tube are produced according to astm b280 standard, en 12735-1 standard, as 1571 standard. The outer insulation tube is three layered structure and made of cross linked pe foam with closed cells. Insulation tubes are covered with embossed pe film to prevent the foam creasing. Our insulated copper tube is with rohs certificate, ce certificate and produced in iso 9001 management system. The types of insulated copper tube are twin insulated copper tube, single insulated copper tube. Advantage: 1. Rohs certificate, ce certificate and iso 9001 management system assure superior quality 2. Professional copper tube manufacturer, fast production and delivery 3. 12 years copper tube manufacturing experience, meticulous care on every order 4. Pe insulation tube is environmental, anti-uv, with excellent heat resistance, lower water absorption 5. Company standard copper tube especially for r410a refrigerant Specifications: 1. Alloy: c12200, cu-dhp, 2. Size range: Coc Carton.