Aluminum Powder CAS No.: 7429-90-5 Applications: Used for combustion, firework, air defense material and pesticide. Aluminum Powder Specification: -Metal Content-----------------------------------------------------99.2% Min -Grease Content--------------------------------------------------1.0% Max -Residue on sieve(44 microns)------------------------------1.5% Max -Active Aluminium------------------------------------------------75-80 -Burning Speed(s/5g)--------------------------------------------30-100 -Specification Conformance Q/0150 GJY001-2004 We can supply all different purity for different industries.