Pumax Chemicals [P] Ltd. Manufactures Vinyl Ester Industrial Resin. Pumax Chemicals [P] Ltd. Offers various types of Unsaturated Polyster Resins. The Vinyl Ester Industrial Resin comes in Grade - Px VE. The Vinyl Ester Industrial Resin has excellent chemical resistance, low shrinkage and excellent wetting and bonding to glass fibers. The Vinyl Ester Industrial Resin is widely used in Chemical Process Industries.