Nipol 503F-1 Blend of nitrile rubber and PVC Zeon Chemical Polyvinyl chloride (PVC) Rubber - Elastomer >> Butadiene-acrylonitrile / Nitrile rubber, NBR ADHESIVE Nipol Polyblends are used where toughness and ozone resistance is required. The PVC content of the polymer imparts fuel, ozone, permeation and abrasion resistance. Thermoplastic or thermoset applications. May be extruded or calendered. 50:50 blend ratio of NBR and PVC resin. Unfluxed. Nipol 503F-1 is an easy processing, unfluxed 50/50 blend of Nipol nitrile rubber and Geon polyvinyl chloride. Butadiene acrylonitrile polymer blend with polyvinyl chloride. Provides permeation, easy processing, good fuel, ozone and abrasion resistance. Used in adhesives for thermoplastic or thermoset applications.