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Aluminosilicate Glass Disc for High Temperature Applications
Professional aluminosilicate glass disc manufacturer providing high-temperature sight glass windows, industrial observation ports, vacuum system glass, and custom machined technical glass components. Custom sizes, optical polishing, and worldwide delivery available.
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Technical data
Aluminosilicate Glass Disc Overview
Aluminosilicate glass is a premium technical glass material developed for applications requiring outstanding thermal performance, high mechanical strength, and excellent optical transparency.
With significantly higher temperature resistance than standard borosilicate glass, aluminosilicate glass is widely used in industrial sight glass windows, furnace observation ports, pressure equipment, vacuum systems, semiconductor manufacturing, aerospace applications, and high-temperature process industries.
Manufactured using precision cutting, grinding, and polishing technologies, our aluminosilicate glass discs provide reliable performance in demanding operating environments where conventional glass materials may fail.
Aluminosilicate Glass Disc — Technical Data
| Parameter | Value |
|---|---|
| Temperature resistance | -100°C / +375°C |
| Softening temperature | >920°C |
| Thermal Shock | ≤300°C |
| Product density | 2.62 g/cm |
| Minimum service temperature | -196C |
| Maximum service temperature | 500 °C |
| bending strength | 260~300Mpa |
| Execution standards | JC/T891-2016 |
| Coefficient of expansion | ≤4.6*10-6k-1 |
| Refractive index | 1.54 |
KEY FEATURES
High operating temperature capability
Superior thermal shock resistance
Excellent mechanical strength
High surface quality and precision finish
Custom sizes and thicknesses available
Long service life in harsh environments
Custom Manufacturing Service
We provide tailor-made solutions according to drawings or technical requirements.
- Custom diameter
- Custom thickness
- Special pressure design
- Edge polishing
- Optical finishing
- OEM / ODM support
- Custom packaging
TYPICAL APPLICATIONS
- Pressure Vessels
- Chemical Reactors
- Boilers & Steam Systems
- Pipeline Sight Glass Assemblies
- Pharmaceutical Equipment
- Food & Beverage Processing
- Industrial Observation Ports
Quality Assurance
All aluminosilicate glass products are manufactured under strict quality control procedures and are available with complete inspection documentation.
- EN 10204 3.1 Certificate
- Material Test Report
- Batch Traceability
- Export Documentation
FAQ
A: Aluminosilicate glass is a high-performance technical glass containing aluminum oxide and silica. It offers higher temperature resistance and greater mechanical strength than standard borosilicate glass.
A: Depending on the grade and application, aluminosilicate glass can typically operate at significantly higher temperatures than borosilicate glass and is commonly used in high-temperature industrial environments.
A: Aluminosilicate glass generally provides higher temperature capability and greater mechanical strength, while borosilicate glass offers excellent thermal shock resistance and chemical durability at a lower cost.
A: Yes. We manufacture custom diameters, thicknesses, drilled holes, special shapes, and machined components according to customer drawings.
A: Yes. Aluminosilicate glass is commonly used in semiconductor processing equipment due to its thermal stability and high optical quality.
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