3 oz Fiberglass Chopped Strand Mat 

• Width: 38 inch
• Weight:3oz  per square foot ( 900gram )

Fiberglass mat (also known as chopped strand mat) has strands of fiber that are randomly oriented and held together with a styrene binder. When a resin is added to the mat, the binder dissolves and the fibers can be moved around.Chopped strand mat is very strong due to the fiberglass fibers compressed together at random angles, can be used for Matched Metal Die wet molding, Open mold applications. Chopped Strand Mat is used to build up thickness quickly and is often layered in between fiberglass fabric. It is compatible with polyester and vinyl ester resin. It is NOT compatible with epoxy resin.