Borosilicate glass
Means of Processing for Customers 1.Cutting 2.Round corner 3.Round edge 4.Surface fine polishing 5. Hole drilling 6.Coating 7Surface printing and sand blasting.8. Thermal bending
Borosilicate 3.3 serves as a material of truly functional and wide applications:1). Household electrical appliance (panel for oven and fireplace, microwave tray etc.);2). Environmental engineering and chemical engineering (Lining layer of repellence, autoclave of chemical reaction and safety spectacles); 3). Lighting (spotlight and protective glass for jumbo power of floodlight);4). Power regeneration by solar energy (solar cell base plate);5). Fine instruments (optical filter);6). Semi-conductor technology (LCD disc, display glass);7). Iatrology and bio-engineering;
Resistance to bending strength | not less than 1100Kgf/cm ² |
Temperature resistance: | long working temperature ≤ 450 ° C, short time working ≤ 500 ° C |
Light transmission rate: | 95% up |
Hydraulic Water-resistant strength: | more than test 40Kgf/cm ² |
Thermal stability: | T300 ° C |
Linear expansion coefficient (0-300 ° C): | 3.3 ×10-7 K-1 |
Softening temperature: | 820°C |
Borosilicate glass performance
1). Mechanical Performance Density ρ 2.23±0.02g/cm3
2). Thermodynamic Performance
Thermal expansion coefficient (0-300) 3.3±0.1×10-6K-1
Softening point 820±10°C
Caloricity (20-100) 0.82KJ × (kg×K)-1 Thermal coefficient 1.2W×m×K-1 3). Chemical Performance
Water resistance ISO719/DIN12111 HGB1/ISO720 HGA1
Acid resistance ISO1776/DIN12116 1
Alkali resistance ISO695/DIN52322 A2
4). Optical Property
Refractive index Nd: 1.47384 Transmittance spectrum curve
5). Electrical Property
Specific resistance lgρ 8.0Ω×cm at 250
Dielectric dissipation fraction tan σ (1 megacycle at 20): 38×10-4