Antisag (Cab-o-sil) is light weight, low density fumed silica powder additive for use in all types of resins and gelcoats although, when used to thicken polyester or vinylester resins, creates an excellent medium sanding, non-slumping compound.
Tags: Antisag, Cabosil, Filler, Fillers, Non, Slumping, Additive, Fiberglass, Epoxy, Putty