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Borosilicate glass tubing
Author:
Munan Glass
Date:
2025-12-22
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Cut Borosilicate glass tubing（glass tubes laboratory） is the "gold standard" for laboratory glassware.Borosilicate glass tubing is trusted by scientists in industry and academia worldwide for providing precise physical properties in laboratory glassware. Its excellent heat resistance, chemical resistance, and thermal shock resistance, along with superior light transmission, make it a global leader and industry standard in laboratory glassware.
Its coefficient of linear expansion (≈3.3×10⁻⁶ K⁻¹) is only 1/3 that of ordinary soda-lime glass, allowing it to withstand instantaneous temperature differences above 300 ℃ without shattering; it has a transmittance of >90% in the visible light range and still maintains 50% transmittance near 310 nm in the ultraviolet range, which is crucial for fluorescence, colorimetric, and photochemical experiments; it is inert to acids, bases, salts, halogens, and most organic solvents, and is listed as a Class 1 hydrolytic glass by both ISO 3585 and ASTM E438 international standards.
The main global brands—Duran, Pyrex, Kimax, Beibo, and Shuniu—use essentially the same type of 3.3 borosilicate glass for their beakers, graduated cylinders, condensers, chromatography columns, ampoules, and optical fiber preforms, with only slight differences in melting and drawing processes and subsequent finishing. Seeing the words "Boro 3.3" or "GG-33" is equivalent to having the "universal currency" of the laboratory.
About Production manufacturing process of pharmaceutical glass tube，Medicinal glass tube is one of the important materials for pharmaceutical packaging, and its production process includes the following steps:
1.Raw material preparation: the selection of high-quality glass raw materials, such as borosilicate glass, borosilicate glass, etc., and according to a certain proportion of ingredients and mixing.
2.Melting type: Put the raw materials into a special glass kiln for high temperature melting, so that it becomes liquid glass. Then the liquid glass is made into glass tubes by blowing or stretching, etc., and finally the glass tube is formed.
3.Cutting and sealing: Cut the glass tube as needed and seal it. Heat sealing is usually done with a flame or laser to ensure a strong seal.
4. Packaging and storage: the pharmaceutical glass tube will be packaged and stored to ensure its quality and transportation requirements. Commonly used packaging methods include cartons, wooden brackets, etc.
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pharmaceutical glass tube,Medicinal glass tube,pharmaceutical packaging
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