Urea fertilizer 1. Nitrogen : 46.0% Min 2. Biuret : 1.0% Max 3 ... . Moisture : 0.5% Max 4. Size (0.85-2.80mm) : 90% Min Urea ... -2001Color : White Specifications : ParameterUnit GuaranteeTest ResultMethod Nitrogen%46.0 min46.60GB/T 2441.1-2008Biuret%1.0 max0 ... fertilizer production and export business.Main products : Prilled Urea, Granular Urea, TSP, DAP, MAP, SOA, NPK, etc. ...