china youngmancn com leading filament wound tube having smooth surfaces. Fiber glass filaments are passed through successive resin baths containing particles of a wear resistant additive. use in Battery casings,Bearings and Collarsb ushings,Cylinder tubes Cryogenics Equipment and Tool HandlesHigh, voltage fuse tubes, High voltage sulators, Impeder tubes,Pressure tubing ,Structural tubing,Water and wastewater treatment components .