Boron powder is also called monomer boron. The mass calorific value and volume calorific value of boron are relatively high. Boron powder is a light brown to gray-black powder with relatively active chemical properties, but it is relatively stable at room temperature, and will be oxidized when the temperature reaches 300 degrees Celsius.
Boron Powder Properties
Boron is a black or silver gray solid. Crystal boron is black, the hardness is second only to diamond, and the texture is brittle. Borax has the ability to melt metal oxides and is used as a flux in welding.
Boron has the largest volumetric heat, and its weight is second only to beryllium. Boron powder is slightly soluble in nitric acid but insoluble in water. Amorphous boron is chemically active, powder and air can form an explosive mixture.
Elemental boron is a black or dark brown powder. When oxidized in the air, the formation of a diboron trioxide film prevents the internal boron from continuing to oxidize. Boron powder can react with fluorine at room temperature and is not corroded by hydrochloric acid and hydrofluoric acid aqueous solutions.
Boron Powder Applications
Boron powder is commonly used in metal smelting, electronic product manufacturing, ceramic manufacturing, chemical industry and nuclear industry, etc. The applications of boron powder are as following:
1. Boron powder can be used to make various boron-containing compounds, used as raw materials for the production of boron fibers, and important raw materials for the production of high-purity boron halide;
2. Boron is added as a compound as a gas scavenger for the smelting of special alloy steel or molten steel;
3. Boron powder is used as high-energy fuel for rocket spacecraft,
4. Boron powder is used as the ignition pole of the ignition tube in the electronics industry;
5. Boron powder can replace precious or scarce metals;
6. Boron powder is used as a protective material for the atomic energy industry and the control rod in the atomic reactor;
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