We can supply round borosilicate stepped sight glass with thickness range 2-85mm; size 2-800mm.
Our round borosilicate sight glass with stepped edge is designed to excel in demanding industrial environments. It offers exceptional thermal shock resistance, chemical durability, and crystal-clear visibility. Ideal for applications in pharmaceuticals, chemicals, food processing etc.
| Material | Borosilicate Glass |
|---|---|
| Standard | DIN7080 |
| Size | 10-800mm |
| Thickness | 2-85mm |
| Edge | Grind or Polish |
Diameter: 10-800mm.
Thickness: 2-85mm
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） | |||
| Electric 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℃ | |||
Upgrade Your Equipment with Our Round Borosilicate Stepped Sight Glass!
Looking for a reliable, high-performance sight glass solution? Our round borosilicate stepped sight glass is designed to excel in demanding industrial environments. Made from premium high-borosilicate glass, it offers exceptional thermal shock resistance, chemical durability, and crystal-clear visibility. Ideal for applications in pharmaceuticals, chemicals, food processing, and more, this sight glass ensures safety and precision under high-pressure and high-temperature conditions. Its stepped design provides a secure fit and enhanced durability. Trusted by global manufacturers, our product delivers unmatched quality. Visit our website to explore specifications and request a sample today! Elevate your operations with our top-tier borosilicate glass solutions.
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