Magnesium fluoride is also used in ceramics and electronics industries. Manufacturing ceramics and glass; metallurgical magnesium flux; fluorescent materials for cathode ray screen; flux, etc. Magnesium fluoride is a colorless crystal or powder.

The vapor pressure of MgF 2 is high, and the raw material is volatile in the open system grown by czechoski method. Therefore, the growth process of MgF 2 crystal needs to be carried out under positive pressure. First, the crystal growth furnace is vacuumized to vacuum, and then filled with high purity argon to slightly positive pressure.

Barium fluoride generally has two forms, one is colorless and transparent cubic crystal, the other is white powder. It is soluble in hydrochloric acid, nitric acid, ethanol and other organic solvents, slightly soluble in water. The melting point is 1368 ℃ and the boiling point is 2260 ℃. Today, let's talk about the storage methods of barium fluoride.

After the optical lens is finely ground by grinding solution, there is still a crack layer about 2 – 3 m thick on its surface. The method to eliminate the crack layer is polishing. The mechanism of polishing is the same as that of grinding, but the material used is different from that of slurry.