Potassium humate is a high polymer heterogeneous aromatic hydroxyl carboxylic acid salt. A black powder with a slightly glossy appearance, it is soluble in water and has weak alkaline features. It is comprised of such active groups as hydroxyl, carboxylic acid salt and nitrogen. Specifications: 1) Appearances: powder 2) Water solubility (dry basis): 85% (min.) 3) Humic acid content (dry basis): 60% (min.) 4) Potassium content (K2O dry basis): 12% (min.) 5) Applications: a) Agriculture: i) Used as a multi-function compound fertilizer after combination with nitrogen and phosphorus ii) Also used as soil ameliorator, plant growth stimulant and fertilizer efficiency promoter b) Industry: used as drilling mud treatment agent ion exchange, wastewater treatment compound, heavy metal adsorbent, etc. 25kg/paper bag, 50kg/plastic woven bag with PVC lining G.W.: 25.15kg, 50.15kg