Chetak Manufacturing Company offers Solventless Unsaturated Polyester Impregnating Resin. Chetak Manufacturing Company supplies a wide range of air drying insulating varnish, polyester wire enamels, impregnating resins and thinners for various industrial applications. The Solventless Unsaturated Polyester Impregnating Resin, available under the brand name "cenvar F30" is a two component [100:1 pbw] unsaturated polyester with fast curing and wide curing properties. The Solventless Unsaturated Polyester Impregnating Resin can be applied by dip or roll-dip method.