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Borosilicate Glass
Borosilicate glass is a low-expansion, chemically resistant glass composed primarily of silica and boron oxide. It offers outstanding thermal stability, optical clarity, and resistance to acids and solvents, making it ideal for high-performance applications such as security glazing, laboratory equipment, and sight windows exposed to extreme temperature changes. MTC supplies technical-grade borosilicate glass from qualified European and Asian producers.
Property | Typical Value |
Density | 2.23 g/cm³ |
Refractive Index (nD) | 1.474 |
Coefficient of Thermal Expansion (20–300 °C) | 3.3 × 10⁻⁶ /°C |
Softening Point | ~820 °C |
Thermal Shock Resistance (ΔT) | up to 170 °C |
Modulus of Elasticity | 64 GPa |
Transmission (visible, 4 mm) | ≥ 90 % |
Chemical Resistance | Excellent to acids and organic solvents |
Aplications
Transparent armor and high-temperature vision windows
Optical and electronic components
Laboratory and industrial equipment
Security glazing requiring high temperature or chemical resistance
Advantages
Exceptional thermal and chemical durability
High optical transmission and surface quality
Low thermal expansion for dimensional stability
Suitable for lamination with PVB, TPU, or SGP interlayers
Compliance
Manufactured under ISO 9001 and DIN ISO 3585 standards.
Validated under MTC internal QC protocols for lamination, thermal resistance, and chemical exposure.
Notes
Detailed mechanical, optical, and expansion data are available upon request.
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