We manufacture borosilicate glass window with thickness range 1-30mm can upto 1-85mm with high temperature resistance 450℃ to different applications such as industrial equipment, scientific instruments, and precision systems.
| Material | Borosilicate Glass |
|---|---|
| Size | Diameter 10-420mm |
| Thickness | Normal 1-30mm, can up to 1-85mm |
| Edge | Grind or Polish |
Borosilicate Glass Window: Precision Engineered for High Performance
When performance and reliability are non-negotiable, our borosilicate glass windows are the solution. Engineered for excellence, they feature a low coefficient of thermal expansion, ensuring unmatched stability under temperature fluctuations. With exceptional visible to near-infrared transmission, they deliver optimal optical clarity for advanced applications. Moreover, their high resistance to thermal shock guarantees durability in the most demanding environments.
Designed for professionals in manufacturing and engineering industries, borosilicate glass windows are ideal for use in industrial equipment, scientific instruments, and precision systems. Whether you need enhanced heat resistance or superior optical performance, our products deliver proven results.
Contact us today for a custom quote and learn how our borosilicate glass windows can elevate your operations with superior reliability and performance.
Diameter: 10-420mm.
Thickness: normal 1-30mm, can up to 1-85mm
Soda-lime glass: widely available, cheap, working temperature up to 150 °C, DIN8902.
Borosilicate glass: particularly suitable for use in aggressive environments (acids, alkalis, water vapor), working temperature up to 350 °C, DIN7080.
Aluminosilicate glass: working temperature up to 660 °C.
Glass Ceramic: working temperature up to 750 °C.
Quartz glass: with a broad spectrum light transmittance (from ultraviolet to infrared), working temperature up to 1100 °C.
| Chemical Performance | |||||
| 1 | SiO2 | B2O3 | Na2O | Al2O3 | Fe2O3 |
| 80.3% | 13.04% | 4.17% | 2.44% | 0.027% | |
| 2 | Water resistance | ISO0719 I | |||
| 3 | Acid resistance | ISO0195 I | |||
| 4 | Alkali resistance | ISO0695 II | |||
| Mechanical Performance | |||||
| 5 | Density ρ | 2.2250g/cm3 @24℃ | |||
| 6 | Bending Strength | 150N/mm2 | |||
| 7 | Surface compressive stress | 90N/mm2 | |||
| 8 | Young’s modulus | 64 GPa | |||
| 9 | Poisson’s ratio | 0.2 | |||
| 10 | Hardness | 5.5 Mohs, (470 Knopp, 580 Vickers) | |||
| 11 | Elastic Modulus | 67KNmm-2 | |||
| Thermodynamic Performance | |||||
| 12 | Thermal Expansion Coefficient (0-300℃）(20-300) | ≤3.3*10-6K-1 | |||
| 13 | Softening Point | 820±10℃ | |||
| 14 | Strain Point | 520±10℃ | |||
| 15 | Annealing Point | 560±10℃ | |||
| 16 | Caloricity (20-100℃) | 0.83KJ* (kgxK)-1 | |||
| 17 | Thermal Coefficient | 1.2WxmxK-1 | |||
| 18 | Thermal Shock Resistance | 180K | |||
| 19 | Max Working Temperature | -70 up to 500℃ Short time (＜10h） | |||
| 20 | Max Working Temperature | -70 up to 280℃ Long time (＞10h） | |||
| Eletric Property | |||||
| 21 | Electric Volume Resistivity | 8.6×1013Ωxcm (at 25℃）
1.4×106Ωxcm (at 300℃） 1.4×10 6Ωxcm (at 300℃） |
|||
| 22 | Dielectric Dissipation Fraction | 38×10-4 (at 1MHz, 20℃） | |||
| 23 | Dielectric Constant εr | 4.6 (at 1MHz, 20℃） | |||
| Optical Property | |||||
| 24 | Refractive Index | 1.4714 @24℃ | |||
Borosilicate Glass Transmission
Copyright ©2023 WT Glass Industrial Limited | All Rights Reserved
We will contact you within 1 working day, please pay attention to the email from info@wtglass.com
We are here for our customers, right from the very beginning
