Character: black or brown powder (diameter: 0.2mm to 0.45mm), easily dissolves intowater. Has good hard water-resisting, has strong work ability, but no metal-ironflocculation or deposit. PH is more than 4.Main ingredient: HA(dry basis)>=60%, FA>=15%, Moisture=K2O>= 8%Applications: the product can be made into all kinds of foliar fertilizer, specialpurpose fertilizer and drought resisting fertilizer. Packing: 20kg/PP bag or required by customers. producing area:China