Appearance -Tan fine powder Odor - Aromatic odor Density - 430kg to 520kg per cubic meter Mesh Pattern - 98% pass through 15-hole mesh Moisture Content - Not more than - 15% PH Value - 6.0 to 8.0 Optimum pH - Optimum pH is 7 Temperature Active from 10 C to 65 C Optimum Temperature: 25 C to 65 C Bacteria Content 10 * 109/g; includes Bacillus subtilis, Bacillus licheniformis, Polymyxa, Aspergillus and Nocardia...,protease ,lipase ,amylase ,cellulase etc enzyme.