Product details:
Softening temperature: 820℃
Thermal stability: ΔT 300℃
Transmittance: Over 91%
Bending strength: Not less than 1100kgf/cm²
Hydraulic resistance strength: Test above 40kgf/cm²
Linear thermal expansion coefficient (0 - 300℃): 3.3*10-7K-1
Temperature resistance: Long-term operation at ≤500℃, short-term operation at ≤700℃
Custom High Borosilicate Glass – High Temperature & High Pressure Resistant
Product Overview
Our custom high borosilicate glass is specially engineered for applications
requiring excellent heat resistance and high pressure strength.
Manufactured with advanced melting and forming processes,
this glass offers stable performance under extreme operating conditions.
Key Material Advantages
• High Borosilicate Composition ensures low thermal expansion and superior thermal shock resistance
• Excellent High Temperature Resistance, suitable for long-term use in harsh environments
• High Pressure Resistance with strong mechanical stability
• Outstanding Chemical Durability, resistant to acids and alkalis
Customization Capability
• Customized Dimensions & Thickness according to drawings or samples
• Optional shapes: round, square, tubular, or special profiles
• Surface options: polished, ground, or safety edges
• Support for OEM & ODM customization
Manufacturing & Quality Control
Produced directly by an experienced manufacturer, each piece undergoes
strict quality inspection to ensure consistent transmission, strength,
and reliability. Batch stability and repeatability are guaranteed.
Typical Applications
• High temperature observation windows
• High pressure glass covers and viewports
• Laboratory and industrial equipment
• Optical, chemical, and thermal systems
Why Choose Us
As a direct factory, we provide competitive pricing, flexible customization,
stable quality, and reliable delivery.
Our technical team is ready to support your project from design to mass production.