... ,chemical,fireplace,steel,food-machinery,solar energy,optical,semi conductor technology,petroleum and sight glass under high temperature and pressure.Also we ... size of 1200*650mm,1180*850 with the thickness of 1.5,2,2.25,2.75,3,3.3,4 ... ,50mm.Also we can print them with different colour. borofloat optical lenses with high reflective supplier