Material:
- Quartz Fused Silica: This unique material is a fusion of high-purity quartz and silica, resulting in a glass that combines the best properties of both materials. Quartz Fused Silica is known for its exceptional thermal stability, chemical inertness, and optical clarity, making it ideal for use in harsh environments.
Properties:
- Extreme Temperature Resistance: The Quartz Fused Silica Optical Sight Glass can withstand temperatures ranging from -180°C to +1200°C, making it suitable for use in high-temperature applications such as furnaces, ovens, and other industrial processes.
- UV Resistance: The material has excellent UV resistance, ensuring that it remains clear and unaffected by prolonged exposure to ultraviolet light. This makes it ideal for outdoor applications and environments where UV radiation is high.
- High Optical Clarity: The glass has a high level of optical clarity, allowing for clear and distortion-free viewing. This is crucial for applications where accurate observation and measurement are required.
- Chemical Inertness: Quartz Fused Silica is highly resistant to chemicals, acids, and alkalis, making it suitable for use in corrosive environments.
Functions:
- Viewing Window: The Quartz Fused Silica Optical Sight Glass serves as a viewing window in various industrial and laboratory applications, allowing operators to monitor processes and equipment safely and accurately.
- Protective Barrier: It acts as a protective barrier, shielding sensitive components and equipment from harsh environments, including extreme temperatures, UV radiation, and chemical exposure.
Applications:
- Industrial Processes: The glass is widely used in industrial processes such as furnace and oven applications, where its high-temperature resistance and chemical inertness make it an ideal choice for viewing and monitoring.
- Scientific Research: In scientific research, the Quartz Fused Silica Optical Sight Glass is used in various instruments and equipment, including spectrophotometers, microscopes, and other optical devices, where its high optical clarity and UV resistance are essential.
- Outdoor Equipment: The material's excellent UV resistance makes it suitable for use in outdoor equipment, such as telescopes, cameras, and other optical devices, ensuring clear and accurate viewing even in harsh environmental conditions.
- Aerospace and Defense: Due to its exceptional thermal stability and chemical inertness, the Quartz Fused Silica Optical Sight Glass is also used in aerospace and defense applications, where reliability and performance are critical1.
In summary, the Quartz Fused Silica Optical Sight Glass is a versatile and high-performance material that offers extreme temperature resistance, UV resistance, high optical clarity, and chemical inertness. Its wide range of applications in industrial processes, scientific research, outdoor equipment, and aerospace and defense make it an essential component in various industries and fields.
Item | Optical Sight glass |
Material | Optical glass, Qurartz glass, Pyrex, borosilicate glass, Float glass |
Diameter Tolerance | +0/-0.15 mm |
Thickness Tolerance | +/-0.15mm |
Processed | by grinding, polishing |
Surface Quality | 80/50,60/40,40/20 |
Material Quality | no scratches and air bubble |
Transmission | above 90% |
Chamfer | 0.1-0.5 mm x 45° |
Surface Coating | Available |
Usage | Photography, Lighting system,Optics etc. |


