18.40*0.80 Borosilicate Glass Tubing Ampoule Glass Vial Of Transparent Medical

18.40*0.80 Ampoule Glass Vial Of Transparent Medical Tube Borosilicate Tube

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
Tube and rod products using the latest technology production, smooth surface, no pore, transparent, and corrosion resistance.
Borosilicate glass tubes, rods, profiles, and capillaries are used in the production of laboratory glassware, fiberglass boxes, NMR tubes, in vitro fertilization pipettes, gas chromatographs, industrial instruments, process pipes, solar collectors, and lamps.

ACI not only offers replacement glass cylinders and its own tube mirrors and level gauges, but also glass tube assemblies, glass cylinders and DURAN® borosilicate Glass 3.3 as well as SIMAX® glass tubes.

Boron silicate glass at more than 100 ° C temperature has a longer service life, its resistance than many metals and other materials. Borosilicate glass has a longer service life at temperatures over 100°C and its resistance exceeds that of many metals and other materials. The borosilicate glass has its limits, however. They are intolerant to hydrofluoric acid, concentrated phosphoric acid and strong bases, especially at high temperatures (> -100 °C). "Glass corrosion occurs

s, 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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