Borosilicate Glass Microwave
Description
Technical Parameters
What is Borosilicate glass?
Borosilicate glass is one type of glass with silica and boron trioxide as the main glass-forming constituents. Borosilicate glass are aware of having lowest coefficients coefficients of thermal expansion (≈3 × 10−6 K−1 at 20 °C), making them more resistant to thermal shock than any other common glass.
Such glass is used frequently to make reagent bottles and flasks, as well as lights, electronics, and cookware. It is subjected to less thermal stress and can sustain temperature differentials of roughly 165 °C (300 °F) without breaking.
Technical Parameters
|
Density |
2.30g/cm² |
|
Mohs Hardness |
6.0Mohs’ |
|
Elasticity Modulus |
67KNmm – 2 |
|
Tensile Strength |
40 – 120Nmm – 2 |
|
Poisson Ratio |
0.18 |
|
Coefficient of Thermal Expansion（20-400°C） |
(3.3)*10`-6 |
|
Specific Heat Conductivity（90°C） |
1.2W*(M*K`-1) |
|
Refractive Index |
1.6375 |
|
Specific Heat (J/KG) |
830 |
|
Melting Point |
1320°C |
|
Softening Point |
815°C |
|
Continuous Operating Temperature/Service Life |
150°C |
|
≥120000h(-60°C-150°C） |
200°C |
|
≥90000h(-60°C-200°C） |
280°C |
|
≥620000h(-60°C-280°C） |
370°C |
|
≥30000h |
520°C |
|
≥130000h |
|
|
Thermal Shock |
≤350°C |
|
Impact Strength |
≥7J |
|
Main Chemical Composition % Content |
|
|
SiO2 |
80.40% |
|
Fe203 |
0.02% |
|
Ti02 |
1.00% |
|
B203 |
12.50% |
|
Na20+K20 |
4.20% |
|
FE |
0.02% |
|
Water Tolerance |
HGB 1 |
What is Chemical Strengthened?
Chemical strengthening is a process of treating glass to make it stronger and more resistant to damage. The process involves immersing the glass in a chemical solution that replaces smaller ions on the surface of the glass with larger ones. This creates a layer of compression on the surface of the glass, which makes it more resistant to cracks and chips.
The most common chemical strengthening method is called ion exchange. In this process, the glass is immersed in a bath of molten salt, typically potassium nitrate, at a high temperature. The smaller sodium ions on the surface of the glass are replaced by larger potassium ions from the salt bath. As the glass cools, the potassium ions compress the surface layer of the glass, making it more resistant to damage.
Edge Treatment
Factory Overview & Customer Visit
Company Profile
Customer Visit
FAQ
Q: Should glass be tempered and what's the difference between Chemical tempered and Physical tempered?
To small size/thickness less than 3.2mm,we recommend chemical tempered.(surface toughen by 6-7H).
To bigger size/thickness above 3.2mm, we recommend physical tempered.
Base on thermal tempered, the fragmentation test standard / partical sizes & quantity could be set base on different thickness.
The glass flatness could be asked after tempering.
Q: What kind of glass will be used?
LightingWe usually use clear / ultra clear float glass for production, depends on customer's need.
Cover glassWe usually use AGC(Dragontail) for production, but also available in gorilla/NEG etc. base on customer's need
Furniture glass We usually use high quality flat/bending glass
Q. Do you accept small order?
Any order quantity is welcome. But some type of products are high cost that not suitable for small order.
Q: Can I get samples and check your Quality?
Yes. Contect our sales with detailed Requirements /Drawings, or just an idea or a sketch. We will deliver the sample to you.
Q: What should I provide to get a quotation?
1. The kind of glass, thickness and size.
2. Drawing of the glass
3. Requirements in details.
4. Order quantity.
5. Others you think is necessary
6. Process balance payment and advise us your opinion on safe delivery.
7. Enjoy your order.
Q: Where is your company? Which port near you? Can I pay a visit?
Welcome. Our factories are located in Guangdong China, near to Shenzhen and Guangzhou port. Please let us know if you want to come, we will advise route guidance in details.
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Delivery & Payment
Packaging:
Step 1: PE film coating(Normally) / paper(For seashipment prevent wet).
Step 2: Kraft paper for fixation.
Step 3: Carton for glass safety protection.
Step 4: Custom make plywood case with hinge for custom(fumigation + convenient inspection) convenience.
Step 5: Packing strap for further fixation.
Port
Shenzhen or Hongkong
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