Size:Flake,Granules,Lump,Powder Usage ;for water treatment or paper industry... Packing ; 25kg/Bag ,25MT in the 20''fcl. ITEMSPECIFICATION RESULTAluminum oxide Al2O3 %, min 17.00 17.15Iron (Fe) content %, max 0.005 0.0045Water insolublematter %, max 0.20 0.10PH value 1% aqueous solution, min 3.0 3.3 As %, max 0.0005 0.00008Heavy metals as Pb %, max 0.002 NONE DETECTED