It is mainly used in synthetic resin, medicine, dye, painting, food, dynamite and fertilizers etc. UreaFormula: CO( ... be hydrolyzed and shrinked. it is mainly used in synthetic resin, medicine, dye, painting, food, dynamite and fertilizers etc.Nitrogen content ... maxbiuret %1.55 maxparticle(2.0-4.75mm)90% min Urea