Properties: Black powder, innoxious, odourless. It is a kind of heterogeneous macromolecule hydroxy acid, tiny soluble in the water. It is a weak acid, contains the active groups such as hydroxy, carboxylic and phenolic hydroxyl etc.
Quality Standard: Content of humic acid: 55%min 60%min 70%min Moisture: 15%max 15%max 15%max Particle sizes according to buyer's request
Usage: used as raw material of producing sodium humate, potassium humate, humic acid compound fertilizer and well drilling auxiliary as well as the other humic acid series products, etc