... by polycarbonate resin, and both sides of the sheet contain UV protective layer. There are many excellent features of the ... -resistance, good impact-resistance, heat insulation, soundproof, lighting, anti-UV and fire retardation, etc., and the sheet as very good ... our yuemei factory use 100% virgin Bayer material: Production process of Yuemei polycarbonate hollow sheet: Package of hollow sheet for ...