Aluminum Powder Chinese name: 鋁粉 CAS RN: 7429-90-5 Molecular formular: AL Formula weight：26.98 1. Physical and chemical property: 1.1 Relative density:2.55 1.2 Melting point :685℃ 1.3 Boiling point :2065℃. 1.4 Character: Silvery white flaky powder 1.5 Solubility: Soluble in acid or alkali, React with acids can produce hydrogen gas. Technical indexes: Type ACTIVE ALUMINIUM%min FINENESS Mesh 6210 98 12~36 6211 98 36~55 6212 98 55~80 6213 98 80~100 6214 98 100~120 6215 98 120~150 6216 98 150~180 6217 98 180~200 6218 98 200~280 6219 98 280~300 6220 98 300~325 3. Usage: a. The spray aluminum powder. Spray aluminum powder in molten aluminum ingots with high pressure air spray system and become granular aluminum powder, gray or droplets that small circular bead appearance, he has good reducibility, suitable for solar energy, electronic paste, steel-making deoxidizing, catalyst, friction materials and refractory materials, casting aluminum casting release agent, etc., can be selected according to different purposes of different fineness of the product. b. Coating aluminum powder. Coating aluminum powder using dry grinding process, high solids, organic solvent volatiles, environmental protection performance. Are widely used in coating, ink, paint, pesticides, epoxy resin coating, polyester resin, acrylic resin powder coatings, anti-corrosion coatings and other industries. c. fireworks aluminum powder. Fireworks aluminium powder is atomized aluminum powder by wet grinding, vacuum drying to produce silver flake powder, dedicated to fireworks and firecrackers. 4. Package: 15/20/40/50 kg bags. Its package can be decided according to the demand of our clients, too. 5. Storage: Store in a cool, dry and ventilated warehouse, away from fire, heat, as well as the oxidant, acid, halide, etc. Banning the use of easy to produce the spark of mechanical equipment and tools. 6. Shelf life: Its shelf life is 12 months. It can be still used if up to standard through retest after the specified dated. 7. Transportation: should avoid violent collision during transportation. 8.1 Level of danger: 4.3 class 8.2 UN number: 1396 8.3 HS code:7603100010 8.4 Risk: the goods in flame, high temperature, oxidant flammable