It consists of a non-woven sheet of unidirectional S-glass fiberglass fibers that are held in position by a fine spider web of polymer fibrils that rest on the surface. The fibril or web system allows the fabric to be cut easily, trimmed or slit, giving clean edges with absolutely no fraying.

MATERIAL SAFETY DATA SHEET. IDENTIFICATION PRODUCT NAME: Woven Rovings and Fabrics PRODUCT IDENTIFICATION: Woven Unidirectional Fiberglass Fabric (A-Style Wrap Unidirectional), Stitchbonded Fiberglass Fabric, Woven Fiberglass Fabric, Woven Roving. It consists of a non-woven sheet of unidirectional S-glass fiberglass fibers that are held in position by a fine spider web of polymer fibrils that rest on the surface. The fibril or web system allows the fabric to be cut easily, trimmed or slit, giving clean edges with absolutely no fraying.