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Glass tube features
May 25, 2018

The coefficient of linear expansion of G3.3 borosilicate glass is 3.3±0.1x10-6/K, which is a glass based on sodium oxide (Na2O), boron oxide (B2O3), and silicon dioxide (SiO2). The borosilicate content of this glass composition is high, namely, boron: 12.5~13.5%, silicon: 78~80%, so this type of glass is said to be high borosilicate glass. PYREX glass in borosilicate glass. It is resistant to acid and alkali, water, and has excellent corrosion resistance. It has good thermal stability, chemical stability, and electrical properties. It has chemical resistance, thermal shock resistance, good mechanical properties, and high temperature resistance. High borosilicate glass (also known as hard glass), because of the coefficient of thermal expansion of the wire (3.3 ± 0.1) × 10-6/K, also known as "borosilicate glass 3.3". It is a special glass material with low expansion rate, high temperature resistance, high strength, high hardness, high transmittance and high chemical stability. Due to its excellent performance, it is widely used in solar energy, chemical industry, pharmaceutical packaging, electric light source. , craft jewelry and other industries. Its good performance has been widely recognized by all walks of life in the world, especially in the solar energy field. The developed countries such as Germany and the United States have already carried out more extensive promotion. The thermal expansion coefficient of borosilicate glass 3.3 is (3.3±0.1)×10-6/K, and its main performance indicators all meet the international ISO standards. It is the same kind of materials as the US Corning Corporation's 7740 materials and the German SCHOTT Company's 50 materials. Sex. Compared with general glass, it has no toxic and side effects, its mechanical properties, thermal stability, water resistance, alkali resistance, acid resistance and other properties are greatly improved. It can be widely used in chemical, aerospace, military, home, hospitals and other fields, can be made Into a variety of products such as lamps, dials, telescopes, washing machine observation holes, microwave ovens, solar water heaters and other products, has a good promotion value and social benefits, the appearance of this kind of glass in our country is a new revolution in the basic materials industry

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