https://www.pilkington.com/en/global/products/product-categories/noise-control/pilkington-optiphonSafety / Security. Pilkington Optilam ... safety glass to meet all the impact safety requirements of EN 12600, improves the living and working environment, available in clear or decorative finishes, available in many standard thicknesses: 6,8 mm, 8,8 mm, 9,1 mm, 10,8 mm, 12,8 mm, 13,1 mm. ...