... thickness avaiable: 6mm,9mm,13mm,19mm,25mm Rubber insulation roll is excellent rubber-plastic foaming material, the main raw materials ... are NBR and PVC. it is widely used in medium pipeline of center air-conditioner, vehicle and shipping, ... ) when it is 40 centigrade Moisture resistance: > 450 Water absorption in vacuum: <10% Dimension stability: <10% Rebound rate after compression: > ...