... sheet with sound insulation, sound absorption, insulation, thermal insulation properties. pvc foam sheetProduct features1 waterproof, flame retardant, acid and alkali resistant, moth-proofing, light, insulation, sound insulation ... foamed PVC board, has a sound insulation, sound-absorbing, insulation, etc.*Adopts foamed PVC board ... of the earthquake effect is good.*Adopts foamed PVC board series ...