Urea N46 1.nitrogen:46%min 2.biuret:1%max ... %min pass Urea N46 Name of commodity: prilled urea 46%1:White crystalline 2:agriculture fertilizer 3:Soluble in water and in liquid ammonia ... used for the manufacture of urea-formaldehyde resin, polyurethane, melamine formaldehyde resin, the raw material-in medicine, explosives, the leather ... , Treated against caking, 100% free from harmful substances UREA N46