Magnesium

Magnesium powder Executive standard : GB 13690-92 English name：Magnesium powder CAS RN：7439-95-4 1. Physical and chemical properties： 1.1 Molecule formula：Mg 1.2 Particle size : -100 mesh -200 mesh ,-300mesh 1.2 Appearance ：Silver-white powder with metallic luster 1.3 Melting point : 651℃ 1.4 Boiling point : 1107℃ 1.5 Relative density (Water =1) :1.74 1.6 Upper explosive limit [％（V/V）] : 44～59mg/m3 1.7 Electrostatic sensitivity ：120mJ 1.3 Solubility ：Soluble in mineral acid, concentrated hydrofluoric acid, ammonium salts and hot water, Insoluble in water, alkali liquor, soluble in acid. 1.4 Properties :Its property is similar with aluminum , Flammable, odorless, silver-white powder , it will produce spontaneous combustion, explosion when meeting moisture . if a liter of air containing 10-25 mg of magnesium , it will cause explosion as meeting the fire source . A strong white light and heat can be generated during combustion. No marine pollutant. 2. Technique indexes: Type Particle size distribution Chemical Composition% Bulk density ≥ g/cm3 mesh diameter μm ≤ % Active magnesium ≥ impurities ≤ Fe Si Cu H2O FM1 +500 0.3 98.5 0.2 0.05 0.1 0.2 0.35 +450 2 -250 8 FM2 +450 0.3 0.35 +315 8 -180 12 FM3 +450 0.3 0.38 +250 8 -140 12 FM4 +250 0.3 0.4 +180 6 -100 12 FM5 +160 0.3 0.45 +100 10 3. Uses：The product has been widely used in the petrochemical ,pharmaceutical, metallurgy, aerospace,fireworks, food and other industry .it is mainly used as reducing agent and desulfurization agents in the manufacturing of flashing powders, lead alloys,new functional materials,desulphurizing pharmaceuticals and lighting pharmaceuticals. Magnesium powder can be also used as oxidizing agent and purifying agent in steelmaking and non-ferrous metal casting, and as dehydrating for organic compounds. Hot sale mg powder can also be used directly for organic compounds. 4. Safety notes and Storage：. It should be kept in a cool, dry, ventilated warehouse. Keep away from moisture and fire sources , No smoking . Packing and unloading lightly . Use the tool without producing sparks and static when operating . (UN :1418 Hazard Class: Class 4.3 .) 5. Package：it is packed in sealed plastic bags or iron drum, Net weight is 25 kg /iron drum ( Size:D350*H500) . (Reference: one 20GP contains 9.6 MT ,Ton Bag: 50kg small weaved plastic bag 20 pcs per MT .