Vinoprene 648 Blend of nitrile butadiene rubber and polyvinylchloride Rishiroop Polyvinyl chloride (PVC) Rubber - Elastomer >> Butadiene-acrylonitrile / Nitrile rubber, NBR SEALANT >> Pre-formed tape / Gasket NBR / PVC blend containing higher quantity of Nitrile rubber. It has outstanding resistance to ozone, heat, ageing, abrasion, oil and fuels, etc. VINOPRENE grades of Nitrile-PVC blend contain higher quantity of Nitrile rubber. There are three grades of VINOPRENE, viz., 701, 710 and 647. These grades have outstanding resistance to ozone, heat ageing, abrasion, oil and fuels. They are properly stabilised for prolonged storage resistance. Ozone Resistance. Flame Retardancy. Oil Resistance. Fuel and Solvent Resistance. Age Resisitance at elevated temperature. Abrasion Resistance. Higher Tensile properties. Better tear Resistance. Good gloss and finish to the product. Seals, gaskets Refrigerator gaskets Automobile window and Door gaskets Non staining Contains a plasticizer. Stabilized, non-staining, NBR / PVC blend. Contains high quantity of nitrile rubber and a plasticizer. Used in seals, gaskets, refrigerator and automobile window and door gaskets. Offers outstanding resistance to ozone, heat, ageing, solvent, abrasion, oil and fuels, flame retardancy, high tensile properties, good tear resistance and good gloss.