We are offering alumina hydrate. specifications of alumina hydrate - 1512 1. Specific gravity : 2.43 2. Bulk density : 0.32 3. Oil absorption : 65 +/- 5 per 100 gms. 4. Ph : 6.8 to 9 5. Moisture : 22 to 26 % 6. Residue on sieve 7. Livering : as per std. Sampleof 240 mesh : max. 1 % 8. Transparency : as per std. Sample 9.whitishness : as per std. Sample 10. Refractive index :