borosilicate glass

Borosilicate Float Glass3.3（BG33） Characteristics Great heat resistance performance，stable chemical property; High light transmission; Various thicknesses for you to choose; Wide optical application. Application Borosilicate 3.3 serves as a material of true function and wide applications: Household electrical appliance (panel for oven and fireplace, microwave tray etc.); Environmental engineering and chemical engineering (lining layer of repellence, autoclave of chemical reaction and safety spectacles); Lighting (spotlight and protective glass for jumbo power of floodlight); Power regeneration by solar energy (solar cell base plate); Fine instruments (optical filter); Semi-conductor technology (LCD disc, display glass); Medical technique and bio-engineering; Safety protection (bullet proof glass) Technical Data Dimensions(mm): 1200×600 1150×850 1150×1700 　　　　　　　　　　　　　　　　　　　other formats upon request Available thickness(mm): 1--12 Density (g/㎝3 ) (at 25℃): 2.23±0.02 Co-efficient of expansion(α)(20-300℃): 3.3±0.1×10-6 Softening point(℃): 820±10 Identical temperature difference(K): 100 >300(Strengthening type) Maximum working temperature(℃): ≥450 Refractive(nd ) : 1.47384 Light transmission: 92%（thickness≤4mm） 　　　　　　　　　　　　　　　　　　　91%(thickness≥5mm) Processing: pre-cut formats, edge processing