... woven roving 1eat the unsaturated poyester resin or expoxide resin well 2.size are made by your requriment Woven RovingName:Hongteng FiberglassMaterail:E-glass or C ... objects, such as boat, vehicle components, pressure tank, house, etc. Woven roving is the primary strength material used in fiberglass boatbuilding. 18 ...