Boron humate is a high polymer compound that is a black or brown powder or granular solid. It is soluble in water and alkalis. Specifications: 1) Appearances: powder, granules 2) 1% NaOH soluble matter (dry basis): 50% (min.) 3) Boron content (B2O3 dry basis): 10% (min.) 4) Applications: a) Used as a multi-functional compound fertilizer after combination with nitrogen and phosphorus, being highly effective with flowers, fruit, beans and oil plants b) Used as plant growth stimulant and fertilizer efficiency promoter c) Used with base manure, seed manure, top application or foliage dressing 5) Functions: can promote plant growth and increase anti-viral abilities 25kg/paper bag, 50kg/plastic woven bag with PVC lining G.W.: 25.15kg, 50.15kg