We deal mainly in Engineering plastics in all forms like Prime Virgin, Off grade, lumps scraps, odd lots, stock lots. qilu PVB interlayer is a macromolecule material molded by polyviny, butyral resin that is plasticized and extruded by plasticity. Our PVB film with excellent light transparency, heat and cold resistance, elasticity, is well-sticking to inorganic glass and the making of laminated ...