Glass Tubes

Glass Tube of Various Diameter and Thickness Glass tubes are made of soda-lime, borosilicate or quartz material and they have broad range of quality. Glass tubes are widely used in laboratory, chemical industry, biology industry, gardening, and so on. According to different dimension and accuracy, glass tubes can be divided into normal glass tube, precision glass tube and heavy wall capillary tube three kinds. The smallest tolerance we can achieve is 0.005 mm, which requires very high technology. Our glass tubes have stable chemical property and can resist most acid and alkali. The glass tubes can also work under high temperature for a long time. With good chemical, mechanical and thermal properties, small tolerance and various dimension, the glass tubes are widely used in daily life, industry and laboratory. Five clear glass tubes with polishing edge lie on the table. GT-1: The straight polished glass tubes have good thermal and chemical properties.Three glass tubes with different dimension are on the table. GT-2: Various sizes glass tubes are used in different equipment. Specification Material: soda-lime, borosilicate, quartz. Diameter and Tolerance Glass tubes diameter and tolerance Inside diameter Tolerance Outside diameter Tolerance Normal glass tube 5-500 mm 0.5 mm 5.1-550 mm 0.5 mm Precision glass tube 5-500 mm 0.005 mm 5.1-550 mm 0.005 mm Heavy wall capillary tube 0.025-0.508 mm 0.02 mm 0.5-6.4 mm 0.4 mm A piece of glass tube is measured carefully on the outside diameter, thickness and length. We will check carefully the outside diameter, thickness and length of the glass tubes to control the tolerance. Two heavy wall capillary tubes with clear surface and polished edge lie on the table. GT-3: The heavy wall capillary tubes have strong acid, alkali, high temperature resistance ability.Six precision glass tubes with minor tolerance are on the ground. GT-4: Producing the precision glass tubes requires very high technology and can m....

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