... such as softness,folding resistance,heat proof,cold resistant,water proof,fire resistance,shock-proof,low factor of heat conduction and sound insulation.It ... factor?≥ 4500,which is a “built-in” water/damp-proof layer.The moisture in air can not enter inside of ... still have the material soft, easy flection, light quantity, heat preservation effective, low toxicity index etc. Especially for the linear ...