... production lines 5.Good qualities Polycarbonate Sheet ( PTBOFAN),PC sheetSpecifications:1) Thickness: 4mm, 4.5mm, 5mm, 6mm, 8mm, 10mm, 12mm, 16mm, 20mm2) Maximum ... about half of glass, and the weight of a hollow PC sheet is only about one twelfth at the same thickness3) Transparency ...