Feature

●Borax is a kind of mineral (borate mineral).
●Chemistry: Na2B4O5(OH)4/8H2O (Sodium Tetoborate Na2B4O7)
●Single diagonal system Mohs Hardness 2.5 Specific Gravity 1.7 Solubility to water is 4.7g/100mL (20℃).


Description

In addition to being used in industrial as boron raw stone, it also has a variety of uses such as borax itself. When heated to 350 to 400 degrees Celsius it becomes waterless objects, and when heated it melts at 878 degrees Celsius to create a colorless transparent glass. It is used as a solvent because it has the ability to melt many metal oxides and is used as a glaze solvent for certain analysis and pottery because of its ability to present the unique color of metal (boron reaction). When mixed with glass, it becomes borosilicate glass that is resistant to thermal shock and chemical erosion, so it is a material such as heat-resistant glass. The water solution is weak alkaline and has a cleaning and disinfection effect, so it is used with detergents and preservatives. It is also used to clean and disinfect the eyes, just like boric acid. It is also added to the development solution of silver salt photos as an alkaline regulator. The number of crystal water is different between Japanese photo borax (10 water salt) and American borax (7 water salt) and the liquid is made in the same amount, so the PH value may vary slightly and the development sensitivity may differ. It uses the reaction of boron binding and gelling polymers and is commonly used for making slime in scientific experiments and free researches. As boron fertilizer, the essential trace element of plants. Radiation shielding material for atomic furnaces. When nuclear ship diapers happen to cause radiation leakage due to a mistake in the design of the shielding ring, you can paste it with boron rice as an first aid to prevent leakage. For repelling insects such as ants, cockroaches, fleas and other insects (boric acid is more often used in Japan).