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check valve prevents oil from backing up into system during a power outage
it can be re-melted and reused up to thirty five times
Optional liquid retarder may be premixed with water to extend working time
5 Minutes 75° F (24° C) Gel Time 1
brushable latex rubber
FiberGel E F/X Grade Alginate 1-lb Casting kit check valve prevents oil fromFormulated for professional high production, high end detailed E F X work. FiberGel is independently tested 40% stronger than the leading brand because it contains a patent pending duo fiber matrix. Set Time 4 5 minutes. FiberGel stays where you put it, too. The fibers not only add tear resistance and strength, they prevent runs and drips. The fiber matrix retains moisture reducing shrink rate keeping your mold soft and flexible far beyond normal