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99.8% magnesium metal powder

Quanzhou Jubao Chemical Trading DEPT.

99.8% magnesium metal powder

Place of Origin : Henan, China (Mainland)
Brand Name : Jubao
Model Number : JB030
Certification : CAS NO. 7439-95-4
Application : chemical raw material for fireworks, metallurgy
Shape : powder
Material : Magnesium ingot
Dimensions : 50kg/ iron drum
Chemical Composition : Mg
Grade standard : Pyrotechnical or technical grade
Molecular formula : Mg
Color : Gray
Purity : 99.8% min
Apparent density : 0.55g/cm³ ±0.10
Price : FOBprice USD 4000~6000 / Metric Ton
Packaging Details : 50kg/ iron drum
Delivery Time : 15-20 days after the receipt of the T/T depoist
Payment Terms : L/C T/T
Supply Ability : 50 Metric Ton/Metric Tons / Month
MOQ : 1 Twenty-Foot Container
Loading Port : Tianjin
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Magnesium Powder
Application: Pyrotechnics, metallurgy,etc
Package: 50kg/ iron drum
Purity: 99.8%
Usage: for fireworks, etc

Magnesium Powder for Firework

Technical or Pyrotechnical grade

Application: chemical raw material for fireworks

Appearance: gray powder

Apparent density 0.55g/cm³ ±0.10;

Purity: 99.8% min.;

Sieve residue rate: Mesh 100 micrometer: 10 max.; Mesh 63 micrometer: 40 to 70

Physical and chemical properties

Elemental magnesium is a fairly strong, silvery-white, light-weight metal (two thirds the density of aluminium). It tarnishes slightly when exposed to air, although unlike the alkali metals, storage in an oxygen-free environment is unnecessary because magnesium is protected by a thin layer of oxide that is fairly impermeable and difficult to remove. Like its lower periodic table group neighbor calcium, magnesium reacts with water at room temperature, though it reacts much more slowly than calcium. When submerged in water, hydrogen bubbles will almost unnoticeably begin to form on the surface of the metal, though if powdered it will react much more rapidly. The reaction will occur faster with higher temperatures (see precautions). Magnesium's ability to react with water can be harnessed to produce energy and run a magnesium-based engine. Magnesium also reacts exothermically with most acids, such as hydrochloric acid (HCl). As with aluminium, zinc and many other metals, the reaction with hydrochloric acid produces the chloride of the metal and releases hydrogen gas.

Magnesium is a highly flammable metal, but while it is easy to ignite when powdered or shaved into thin strips, it is difficult to ignite in mass or bulk. Once ignited, it is difficult to extinguish, being able to burn in nitrogen (forming magnesium nitride), carbon dioxide (forming magnesium oxide and carbon) and water (forming magnesium oxide and hydrogen). This property was used in incendiary weapons used in the firebombing of cities in World War II, the only practical civil defense being to smother a burning flare under dry sand to exclude the atmosphere. On burning in air, magnesium produces a brilliant white light which includes strong ultraviolet. Thus magnesium powder (flash powder) was used as a source of illumination in the early days of photography. Later, magnesium ribbon was used in electrically ignited flash bulbs. Magnesium powder is used in the manufacture of fireworks and marine flares where a brilliant white light is required. Flame temperatures of magnesium and magnesium alloys can reach 3,100 °C (3,370 K; 5,610 °F),[although flame height above the burning metal is usually less than 300 mm (12 in). Magnesium may be used as an ignition source for thermite, an otherwise difficult to ignite mixture of aluminium and iron oxide powder.

Magnesium compounds are typically white crystals. Most are soluble in water, providing the sour-tasting magnesium ion Mg2+. Small amounts of dissolved magnesium ion contribute to the tartness and taste of natural waters. Magnesium ion in large amounts is an ionic laxative, and magnesium sulfate (common name: Epsom salt) is sometimes used for this purpose. So-called "milk of magnesia" is a water suspension of one of the few insoluble magnesium compounds, magnesium hydroxide. The undissolved particles give rise to its appearance and name. Milk of magnesia is a mild base commonly used as an antacid, which has some laxative side effect.

Magnesium powder is flammable and explosive, and brings high temperature and glaring light when burning. Therefore, Magnesium powder is wisely used in such scientific area as war industry and aviation industry. The chemical performance of Mg is very active, which is mostly used in metallurgical industry. Mg powder can sever as desulfurizer or cleaning agent for steel-making industry and casting of non-ferrous metals, and reducer for production of rare metal. In chemical industry, Mg powder can be used as dehydrant for organic compound or to directly make organic compound of Mg. In recent years, Mg powder has been mostly used in spaying, coating anti-corrosion, monocrystalline silicon, polycrystalline silicon ,and cating of metallurgical powder as well.

If you have a need in magnesium powder, please feel free to contact us.

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