Borosilicate 3.3 float glass

Detailed Product Description

  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;
8). Safety protection (bullet proof glass)

II. Specification of Product
1) Dimension       600×1200mm(Max.800×2000mm )
2) Thickness        1.5~8mm
List of Thickness and Tolerance
Thickness mm Tolerance mm Thickness mm Tolerance mm
          1.50        ±0.20                4.00              ±0.20
          2.00        ±0.20                5.00              ±0.20

          2.25        ±0.20                5.50              ±0.20
          2.75        ±0.20                6.00              ±0.20
          3.0          ±0.20                6.50              ±0.20
          3.30        ±0.20                7.50              ±0.30
          3.80        ±0.20                8.00              ±0.30
3) Net sized glass of strengthening can be supplied as per the customers requirement;
4) Glass of small cut size is available according the requirement from customers.

III. Performance of the Product
 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
      Strain point                                  516±10
      Caloricity (20-100)                        0.82KJ × (kg×K)-1
      Thermal coefficient                       1.2W×m×K-1
      Thermal shock resistance             180K
      Strengthening type                       300K
      Identical temperature difference     100K
      Strengthening type                       300 K
      Maximum working temperature     Short time(<10h): 500 
                                                        Long time(>10h): 450
 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
      Dielectric constant                    ε=4.7

IV.  Means of Processing for Customers
 Cutting
 Round corner
 Round edge
 Surface fine polishing
 Hole drilling
 Coating
 Surface printing and sand blasting
 Thermal bending

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