Gilsonite

Physical Sand properties with Gilsonite resin are equal or superior to seacoal at significantly lower additive levels. Gilsonite improves sand density, water requirements and strength (green, dry, baked, and hot). Gas evolution curves show that Gilsonite volatilizes more rapidly than seacoal. Gilsonite has the same total volatiles as seacoal at one-third the additive level.