... Polyvinyl chloride and other auxiliary material which through an advanced foaming technics to be a kind of soft ,high quality ... of soft, bending-proof, cold resistance, fire-proof, waterproof, low thermal conductivity, shock absorption, sound absorption enable the material widely ... pro-environmental: no chlorofluoride, in accordance with ISO 14000.2. Low thermal conductivity:0.034 W/m.k ,both good for ...