Heat Resistant glass

Specifications

 borosilicate glass

I.  Application

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)Dimensions: 1200mm×600mm 1150mm×850mm 1150mm×1700mm other formats upon request

2)Available thickness: 1.5mm--20mm 

List of Thickness and Tolerance

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

The above mentioned specifications are in conformity with standard of ISO3585 after inspection and detection as well as examination by the Quality Supervision and Inspection Center of the National Light Industry for Glass Product and, Beijing Glass & Ceramic Quality Supervision and Inspection Center.

 IV.  Means of Processing for Customers

  Cutting

    Round corner

    Round edge

    Surface fine polishing

    Hole drilling

    Coating

    Surface printing and sand blasting

    Thermal bending

  It is similar to Schott borosilicate glass, borosilicate glass pyrex, pyrex borosilicate glass. 

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