Borosilicate glass is a highly durable material known for its excellent thermal resistance, low thermal expansion, and chemical stability. It withstands high temperatures and harsh environments, making it ideal for applications in laboratories, electronics, cookware, and industrial equipment. Its clarity and strength also make it suitable for optical devices and glassware.
KS Glass supplies a range of specified glass materials, such as Pyrex, Kimax, Duran, and Schott BF33,etc. Our advanced processing technology ensures consistent quality and customizable solutions to meet specific project requirements, making glass products suitable for high-performance applications in optical equipment and glassware.
| Composition: | SiO₂ (Silicon Dioxide): ~80% |
| B₂O₃ (Boron Trioxide): ~12-13% | |
| Na₂O (Sodium Oxide) + K₂O (Potassium Oxide): ~4-5% | |
| Al₂O₃ (Aluminum Oxide): ~2-3% | |
| Thermal Properties | Softening Point: 820°C |
| Annealing Point: 560°C | |
| Strain Point: 520°C | |
| Maximum Operating Temperature: 500°C | |
| Thermal Expansion Coefficient (20°C to 300°C): 3.3 × 10⁻⁶ /°C | |
| Optical Properties | Refractive Index: 1.474 |
| Light Transmittance: >92% | |
| UV Cut-off Wavelength: ~290 nm | |
| Mechanical Properties | Density: 2.23 g/cm³ |
| Young's Modulus: 64 GPa | |
| Poisson's Ratio: 0.20 | |
| Bending Strength: 40 MPa | |
| Chemical Resistance: | Acid Resistance: Excellent Alkali Resistance: Good Hydrolytic Resistance: Class 1 (per ISO 719) |
| Alkali Resistance: Good | |
| Hydrolytic Resistance: Class 1 (per ISO 719) |
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KS GLASS specializes in the production of high-quality glass products. With advanced technology and expertise, we offer solutions tailored to meet the diverse needs of our customers. Our products are known for their durability, precision, and reliability. We are committed to innovation and excellence in manufacturing, ensuring that every product meets industry standards while catering to specific client requirements.
