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The main components of borosilicate glass materials are silicon dioxide (SiO₂), boron trioxide (B₂O₃), and sodium oxide (Na₂O), with their contents precisely controlled within specific ranges:
Accounts for 70% to 80% of the total mass. It is the primary network former of the glass structure, providing hardness and stability to the glass.
Content ranges from 6% to 15%. The inclusion of boron significantly enhances the thermal resistance and chemical stability of the glass while reducing the thermal expansion coefficient, thus minimizing stress fractures due to temperature changes.
Content ranges from 4% to 10%. As a network modifier oxide, it aids in the fluidity of glass during the melting process and adjusts other physical properties of the glass.
Borosilicate glass possesses high thermal resistance, capable of withstanding high temperatures without deformation or fracture, making it widely applicable in high-temperature environments.
Due to its unique chemical composition, borosilicate glass has good resistance to acids, alkalis, and other chemicals, making it less prone to corrosion and extending its lifespan.
Compared to ordinary glass, borosilicate glass has a lower thermal expansion coefficient. This means that its size changes less with temperature fluctuations, reducing the risk of fractures caused by thermal stress.
Due to its excellent thermal resistance, borosilicate glass remains stable over a wide temperature range. While the specific temperature range of borosilicate glass depends on its exact composition and manufacturing process, generally speaking, borosilicate glass can withstand much higher temperatures than ordinary glass without significant performance degradation or damage over a short period.
Borosilicate glass is often used in high-temperature applications, such as in ovens and microwave-safe cookware. Its normal operating temperature is typically much higher than that of ordinary glass. The specific upper limit of the operating temperature may vary by product but can generally easily handle the high temperatures encountered in home cooking.
In some special cases, borosilicate glass can also withstand brief high-temperature shocks, such as when taken out of a hot oven. Its excellent thermal resistance ensures that the glass does not fracture due to sudden temperature differences.
Topglass's borosilicate glass, with its outstanding quality and innovative technology, leads the industry forefront. Its products not only perfectly blend the essence of SiO₂, B₂O₃, and Na₂O, showcasing extraordinary thermal resistance and chemical stability, but also exhibit unwavering resilience in every high-temperature challenge. Whether in the warmth of a home kitchen or the demanding conditions of professional settings, Topglass's borosilicate glass delivers exceptional performance, safeguarding every bit of enthusiasm and creativity. Each use becomes a testament to peace of mind and trust.
