1, Water-proof, sound-proof, heat insulation, heat preservation 2, can be ... PVC foam board has characters like being soundproof,sound absorption,heat insulation, heat preservation2,Our board has ... have moistureproof, zymosis proofing, no sob, shock proof effect is great5,Different series product can be ... , hot bending and foldig processing( besides fire-proof sheet)10,It can be welded according to ...