Direct roving is an E-glass roving produced by directly winding a certain number of individual fibers from the bushing without twist. It is coated with a silane-based size and is designed for reinforcing unsaturated polyester, epoxy, vinylester and phenolic resins.
Application:
It is specially used to produce GRP FRP pipes, pressure vessels, gratings and profiles and, when converted into woven rovings, boats and chemical storage tanks, with filament winding, pultrusion and weaving process.