... low heat conductivity ,high moisture resistanceand excellent fire-proofing property.The standard products are ... Pipe rubber foam, fireproof apply in HVAC system Specification: Main material : NBR/PVC ID size:1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1 ... 1/4", 3/8", 1/2", 5/8", 3/4", 1", 1-1/4" Length: 1.83m or 2mcompetitive price and high quality can beat any competitorPacking photo : NBR/PVC Insulation ...