Particle size distribution: D10=0.8-1.2micron D50=2.0-2.5micron D90=4.0-5.0micron Characteristics: Uniform partical grade,narrow distribution; High spherical degree,little impurity,over 98% active aluminium; Silver-grey in appearance ,high purity of aluminium powder,without impurity and agglomeration,lower water content,suitable for long time storage. Chemical constituent: Al:99.7%min Chemistry:Si:0.10%max Fe:0.15%max Cu:0.01%max H2O:0.10%max atomized spherical aluminium powder is produced by nitrogen atomization Texted by Mastersizer 2000 dry system. Package: packed in steel drums, each is 50kgs or 200kgs net,fasten on pallets Application: High grade metal pigment,compound material(hot-spraying compound metal powder,ceramic compound steel pipe),ammunition(gun-powder,filling-in material in bullets),spaceflight(solidrocked promoting agent0,chemical(different chemical catalysts,pesticides),metallurgical(thermoreduction smelting,deoxidation in steel producing),ship manufacturing(electric conductivity paint),refractory(carbon magnesia bricks),new builing materials(gas forming agent for gas concrete),antisepsis material and firworkers,etc. We are atomized spherical aluminium powder manufacturer and expoter.Due to our stable and high quality.Our aluminium powder have been exported into Japan,Germany,Korea,Brazil etc.markets. If you are interested in our products and our company ,we can negotiate the price and specification etc.