Tech grade map. Specification: Total nutrients: 99 % min. Total( nitrogen+p2o5): 73 % min. Nitrogen: 11.8% min P2o5: 60.8 % min Moisture: 0.2 % max. Water insoluble matter: 0.1% max. Form: powder Color: white crystal Please contact me with wxj (at) lomon.Com for more detail and price. Hope to get your reply soon. Wei from lomon 25kg 1000kg