Rice husk ash - moisture: 2.9% - loss on ignition: 13.4% - sulfur trioxide (so3): 0.8% - carbon (c): 9.0% - silicon dioxide (sio2): 81.2% - iron oxide (feo3): 0.4% - aluminum oxide (al2o3): 0.1% - magnesium oxide (mgo): 0.4% - calcium oxide (cao): 0.6% - sodium oxide (na2o): 0.2% - potassium oxide (k2o): 3.5% - appearance density after compaction: 0.24% Packaging is based on our customer's requirements. Most of our clients request packaging in 5 kg bag or jumbo bag.