Clear And Amber No Hole Borosilicate Glass Tubing Round Large Diameter

Clear And Amber Borosilicate Glass Tubing Round

raw material

Including main raw materials and auxiliary raw materials. The former refers to the introduction of raw materials such as oxide, intermediate oxide and outer oxide of the glass network structure. The latter can accelerate the melting of glass or enable it to obtain certain necessary properties.

main ingreadient

Excellent thermal shock and chemical stability
The tube and rod products are produced with the latest technology, with smooth surface, no hole, full transparency and corrosion resistance.
Borosilicate glass tubes, rods, profiles and capillary tubes are used in the production of laboratory glassware, fiberglass fiber cassettes, nuclear magnetic resonance tubes, in vitro fertilization pipettes, gas chromatographs, industrial instruments, process pipes, solar collectors and lamps.

ACI not only offers replacement glass cylinders and their own tubes -- mirrors and level gauges, but also glass tubes, glass cylinders and parts of DURAN® borosilicate glass 3.3 as well as SIMAX® glass tubes.

Borosilicate glass has a longer service life at temperatures exceeding 100°C, and its electrical resistance exceeds that of many metals and other materials. Borosilicate glass has a longer service life at temperatures exceeding 100°C, and its electrical resistance exceeds that of many metals and other materials. However, borosilicate glasses also have their limitations. They are not resistant to hydrofluoric acid, concentrated phosphoric acid, and strong bases, especially at high temperatures (>100°C). "Glass corrosion occurs, the glass surface wear.

It mainly includes the steps of batch preparation, melting, forming, annealing and post-processing.

Batch preparation

Firstly, the pretreatment of raw materials includes the crushing of bulk materials, the drying of pre-wet materials and the treatment of iron-containing materials except iron. The particle size after crushing is 0.25 ~ 0.5 mm. Too coarse particles are not easy to melt, fully formed in the residual powder on the glass stone or nodules that are rich in silicon; Particles that are too fine tend to disperse or aggregate. The raw material is accurately weighed according to a certain formula according to the particle size, and then mixed with a drum, paddle or disc.
Molten glass is a uniform, bubble-free, rock-free molten glass refined by batch melting at high temperature. The melting temperature of glass iIts composition varies from composition to composition, usually between 1300 and 1600 ° C. The intermittent process undergoes a series of physical and chemical reactions and gradually melts completely at high temperatures. With the increase of temperature, the viscosity decreases obviously, and a large amount of gas and original air escape, among which the melt decomposition clarifies. After high temperature, the chemical composition of molten glass tends to be uniform except for bubbles. Use mechanical stirring if necessary. After clarification and uniform cooling, glass evenly to achieve the required viscosity is suitable for forming.

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