... +10, 10+12, 12+12, 15+15, 19+19 or triple glazing or multilayerPVB thickness: 0.38mm-3.04mm PVB color: clear, milky ... white, light grey, blue, yellow or any ceramic frit colorCurved laminated glass subjected to the radius ... Certification);GB/9962-1999 standardGB/17840-1999proof glass> standardUK-BS6206