Potassium humate specification: Appearance: Black Granule Water Solubility (dry basis): 80%min Humic Acid (dry basis): 60%min Potassium (K2O dry basis): 10%min Moisture: 15%max pH:9-11 Size Rate(1-5mm): 95%min. Woven bags with lining 25ks net weight, also can satisfy the customer's requirement.
