... 3.used for pultrusion, hand lay-up... Combo Woven Roving Mat Woven Roving Combo Mat is compatible with polyester, vinyl ester, phenolic ... and doors, laminates, cooling apparatus and structural shapes.Woven Roving Combo Mat is a complex mat made by stitching together ... No.GlassWarp/Weft Linear Density TexWarp/Weft Density Ends/cmWoven Roving g/ m2Chopped Strands g/ m2Overall Density g/ m2EMK600/275E900 ...