Roof heat insulation materials 1.No odor and toxicity, envirnomentally 2.Light, soft, dust free, fire retardant,easy ... polyethylene through special machinery. It has no odor and toxicity.It not only overcomes the disconfort and environmental damage brought ... )16.98MpaTensile strength(TD)16.50MpaCharacteristics:1. No odor and toxicity, environment friendly2.Light, soft, dust free, fire retardant, easy ...