1.Spherial fine aluminium powder D50:1-8um; 2.Chemical content: Al 99.85%min, Fe0.08%max, Si 0.08%max,Cu 0.002% max; 3.Strict control of distribution and span; 4.Stable and consistent quality between different batches 5.Applications: Solar cell paste(PV paste), thermally conductive grease, metal pigments