... surface; 2,excellent optical performance; 3,stable chemical properities ,resistant to acid alkalin and corrosion. 4,thickness tolerance :0.1mm(national ... /case 14cases/cnt the size can also be made accord to your requests .Standard:GB11614sheet glass samples (30*30cm)sheet glass ... ,for the next step, we will use wood sticks to fasten again ,mainly between the gap of the cases ,so ...