RST Glass Clear Float Glass Features; 1) High light transmittance, excellent optical performance 2) Smooth and float suface, visible flaw is controlled strictly 3) Easy ... to be cut, insulated, tempered and coated Standard Comply with China GB11614-1999 ... , and Russia GOST 111-2001 Specifications Thickness: 2, 2.7, 3, 4, 5, 5.5, 6, 8, 10, 12, 15, ...