Wide application of alumina ceramic crucible

21-12-2021

Wide application of alumina ceramic crucible

Alumina Ceramic

Alumina is suitable for ceramic crucibles due to its excellent high temperature resistance and corrosion resistance. Today I will explain alumina ceramic crucibles to everyone.

Alumina ceramic crucible is a kind of chemical laboratory supplies, the main components: alumina (45-55%), silica. 99 porcelain uses high-quality α-alumina as raw material, and its alumina content is generally above 99%. 99 alumina porcelain materials are used to make high-temperature crucibles.

1. The highest heat resistance is about 1500 degrees Celsius.

2. Suitable for melting samples of acidic substances such as K2S2O7.

3. Generally, it cannot be used for melting with alkaline substances such as NaOH, Na2O2, Na2CO3, etc., to avoid corrosion of alumina ceramic crucibles. Porcelain crucible should not be in contact with hydrofluoric acid.

4. . Alumina ceramic crucibles can generally be cleaned by boiling with dilute HCl.

5. Alumina ceramic crucibles can be divided into: medium-wall crucible, low-wall crucible, high-wall crucible, plain crucible, volatile crucible, tight crucible, roca crucible, double-layer crucible, ancient crucible, fine-pored crucible, infrared carbon and sulfur Crucible, free expansion coefficient crucible, etc.


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