pvc foam sheet 1.moisture protection 2.corrosion proof 3.environment protection 4.chemical and water res PVC foam sheetProducrs features 1.The capacity of flam retardant, self-extinguishing, heat-insulation, thermal insulating, smoke suppressing, sound absorbing and shock-proof.2.Good capability of preventing steam and dust, waterproof, antirust resistant acid, alkali and salt.3.The products is ...