1 Quart Cab-O-Sil 1.5oz of thickening agent for resins and gel coats. Added to resin systems to prevent run-off and sags on vertical surfaces. Industry standard thickening agent for epoxy, polyester and urethane resin systems. Thicken resins to your own taste by adding varying amounts. Ideal for making adhesives and putties, but will make sanding more difficult. Added to resin systems to prevent run-off and sags on vertical surfaces. Item: 2120

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