Detailed Product Description

Borosilicate Glass I.  Application

Borosilicate 3.3 serves as a material of truly functional and wide applications:
1).  Household  appliance (panel for oven and fireplace, microwave tray etc.);
2).  Environmental engineering and chemical industry 
3). Lighting (protective panel for spotlight and high-power floodlights)

4)Photovoltaics(glass for solar collectors)

5)Precision technology,optics (optical filters and mirrors etc.)

6)Medical technology,biotechnology(slides,biochips,titration plates,DNA sequencers,micofluidic systems)

7)Semiconductor engineering,electronics,sensors(wafers,display glass)

8)Safety protection (bulletproof glazing)

II. Specification of Product

 

1) Dimension       600×1200mm(Max.800×2000mm )
2) Thickness        1.5~12mm
List of Thickness and Tolerance
Thickness mm Tolerance mm Thickness mm Tolerance mm
        1.50          ±0.20                 4.00            ±0.15
        2.00          ±0.20                 5.00            ±0.15
        2.25         ±0.20                  5.50            ±0.15
        2.75         ±0.20                  6.00            ±0.15
        3.0           ±0.20                  6.50            ±0.20
        3.30         ±0.20                  7.50            ±0.30
        3.80         ±0.15                  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

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 

Cutting,

edging finish(arrised,bevelled,ground or polished edges) and corner finish(dubbed or rounded corners)
  Surface fine polishing
 Hole drilling
 Coating
 Surface printing and sand blasting
 Thermal semi-toughening