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China Supplier Fire Proof Resistant Glass - Borosilicate glass round sight glass – Hongya Detail:
Product Detail:
3.3 borosilicate thermal shock float glass (can replace SCHOTT trademarks borofloat ® 3.3, CORNING trademarks pyrex ®7740) is produced using the float process, sodium oxide (Na2O), boron oxide (B2O3), silicon dioxide (SiO2) as a basic ingredient in the glass sheet.
Size:Customized size availale
Physical Property |
No. |
Physical performance |
Numerical Value |
Unit |
1 |
Coefficient of mean linear thermal expansion(20°C,300°C) |
3.3±0.1 |
10-6K-1 |
2 |
Transformation temperature |
525±15 |
°C |
3 |
Softening point |
820±10 |
°C |
4 |
Working point |
1260±20 |
°C |
5 |
Density at 20°C |
2.23±0.02 |
g/cm3 |
6 |
Mean thermal conductivity(20°C-100°C) |
1.2 |
w/m2k |
7 |
Refractive index |
0.92 |
1 |
|
Main Composition |
|
SiO2 |
B2O3 |
Na2O+K2O |
Al2O3 |
|
|
81 |
13 |
4 |
2 |
|
|
Chemical Property |
|
Hydrolytic resistance at 98°C |
ISO719-HGB 1 |
|
Hydrolytic resistance at 121°C |
ISO720-HGA 1 |
|
Acid resistance Class |
ISO1776-First Class |
|
|
|
|
Optical Property |
|
Refractive: |
nd : 1.47384 |
|
Light transmission: |
92%thickness≤4mm91%(thickness≥5mm) |
Application :
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. Medical technique and bio-engineering;
8. Safety protection (bullet proof glass)
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As a way to present you with ease and enlarge our enterprise, we also have inspectors in QC Workforce and assure you our greatest support and solution for China Supplier Fire Proof Resistant Glass - Borosilicate glass round sight glass – Hongya , The product will supply to all over the world, such as: Buenos Aires, Libya, French, Item have passed by means of the national qualified certification and been well received in our main industry. Our expert engineering team will often be ready to serve you for consultation and feedback. We are able to also deliver you with cost-free samples to meet your specifications. Ideal efforts will probably be produced to provide you the most beneficial service and solutions. Should you be interested in our company and solutions, please make contact with us by sending us emails or call us straight away. To be able to know our solutions and enterprise. ar more, you'll be able to come to our factory to see it. We'll constantly welcome guests from all over the world to our firm. o build business enterprise. elations with us. Please feel absolutely free to speak to us for organization. nd we believe we will share the best trading practical experience with all our merchants.