Borosilicate Glass for Optical Inst 20mm

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China Main Port
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TT or LC
Min Order Qty:
10 Square Meters m²
Supply Capability:
10000 Square Meters per Month m²/month

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Product Description:


Heat resistant Glass 

High transmission Light

Stable chemical property

High Acid Resistant Glass


Specification of Borosilicate Glass 

1) Dimension       1200mm×600mm 1150×850mm 1150×1700mm  

2) Thickness        1.1~20mm 

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.


Performance of Borosilicate Glass 

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


Means of Processing for Customers 

1. Cutting 

2. Round corner 

3. Round edge 

4. Surface fine polishing 

5. Hole drilling 

6. Coating 

7. Surface 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; 

8). Safety protection (bullet proof glass)

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Our company is a professional glass enterprise that supplies ultra clear glass and all kinds of tinted glass. We also supply glass deep processing. All of our products comply with international quality standards and are greatly appreciated in a variety of markets around the world. We always believe in the business idea of "Your Success, Our Glory". Our aim is to help customers realize their goals. We are making great efforts to achieve this win-win situation.

1. Manufacturer Overview

Location Guangdong,China
Year Established 2011
Annual Output Value
Main Markets 8.33% North America
8.33% South America
8.33% Eastern Europe
8.33% Southeast Asia
8.33% Africa
8.33% Oceania
8.33% Mid East
8.33% Eastern Asia
8.33% Western Europe
8.33% Central America
8.33% Northern Europe
8.33% Southern Europe
Company Certifications ISO 9001:2000

2. Manufacturer Certificates

a) Certification Name  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port guangzhou
Export Percentage 61% - 70%
No.of Employees in Trade Department 11-20 People
Language Spoken: English, Chinese
b)Factory Information  
Factory Size:
No. of Production Lines
Contract Manufacturing
Product Price Range