Reply: No, It's not necessarily compatible with epoxy resin. Chopped strand mat is produced up of small strands of fiberglass that are held with each other by a styrene binder. The styrene from polyester and vinyl ester resin is necessary to dissolve the binder during the mat. Fat:3oz per square https://caidencxoet.theisblog.com/30013936/the-best-side-of-fiberglass-chopped-strand-mat-roll