borosilicate glass borofloat glass

1. rich experience for borosilicate glass 2. no bubble 3. good surface quality 4. the competitive price

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

 

   

 

 

borosilicate glass borofloat glass