... 5 bar,DN25 17.5 bar Rated burst pressure 200 barEPDM INSULATION PIPE of EPDM, light, flexible, ... means the jacketing coated on the insulation pipe is with a super high density water proof polyolefin copolymer foil ... WIRE Wire insulation material is silicon, work temperature range from from -200°C to +200°C,flexible copper 0 ... 25/502-wire silicone cable 2 in 2 EPDM Pre insulated flexible solar pipe systems