... : Any dimension 4) Specific gravity: 1.2 5) Colors: Clear, blue, green, opal, brown,other colors can be customized.Technical Features: 1) Impact ... .2 g/cm3 4) Coefficient of thermal expansion: 0.065 5) Temperature: -40 to 120oC 6) Heat conductivity: 2.3-3 ... lighting in banks, hospitals, airports, bus, railway stations and kindergartens.5. Non-toxic, keeping in touch with the food.6. Substitution ...