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What is Amorphous Boron Powder Boron Powder 7440-42-8, appearance is light brown to gray-black invisible powder, melting temperature 2300+-2, atomic weight 10.81, L. Hua temperature 25,50, specific gravity 2,34-2,37, insoluble in water and hydrochloric acids, but soluble with cold concentrated alkali solution, which decomposes hydrogen, and oxidized by concentrated sulfuric acid and concentrated nitric acid into boric acid. Is 7440-42-8. Appearance is a light brown to gray black invisible powder. Melting point is 2300+-2. Atomic weight is 10.81. L Hua Temperature is 2550. Specific Gravity is 2.34-2.37. Insoluble in water, hydrochloric, ethanol, or ether.

Amorphous Boron powder: Its Properties
On the periodic chart, boron occupies a special place between metals. It has a large nuclear charge, a small atomic radius and possesses more active chemical characteristics. It is extremely stable at normal room temperature. When heated above 300, it will become oxidized and begin to smell. It can also interact at high temperatures with oxygen, nitrogen and sulfur.
The Use of Applications Amorphous Boron Powder
Amorphous boron is commonly used in the metal smelting industry, electronic product manufacture, ceramic manufacturing and chemical industries. Amorphous Boron is used for the following specific purposes:
1. Amorphous Boron Pulp is a good non-metallic fuel for pyrotechnics. Amorphous boreon powder’s ignition temperature is reduced by a large amount due to the irregular shape and high specific surface area.
2. Amorphous Boron is also a key raw material used to produce high-purity boron halite and other boride products.
3. Amorphous Boron Powder, used to deoxidize metals at high temperatures, is used in the Oxygen-free Copper Smelting Deoxidizer.
4. Amorphous Boron Powder may be used in alloys to improve metal properties and form alloys.
5. Amorphous Boron Powder has more active chemical properties than crystalline boron. Crystalline Boron is hard and is often used in place of diamond for cutting tools or drill bit.
6. Boron Amorphous powder can be used to assist in welding.
7. Amorphous Boron is a valuable energy source. It can be used as solid fuel for composite solid propellants. The calorific values of boron are more than double those of carbon and aluminum, as well as more than two times those of magnesium. The volumetric calorific content of boron is the highest. It is three times more than hydrocarbon fuel and has a density that is slightly less than aluminum. Energy-wise, boron is the best nonmetallic fuel. The irregular shape of amorphous boran and its large surface area also reduces the ignition temperature. ;
As an additive to high-temperature steelmaking high magnesia furnaces, amorphous boron is used.

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