Prilled Urea Quality Specifications: : Mass Part Nitrogen : Biuret, Not More Than : Moisture Not More Than : Granulometry: (Granules Size) : Free Ammonia: : Melting Point: : Crumbliness: Physical Properties : Granulated Urea Quality Specifications : Nitrogen Recalculated to Dry : Biuret, Not More Than : Water, Not More Than : Granulometry: (Granules Size) : Free Ammonia: : Melting Point: : Crumbliness : Physical Properties : Urea Ã??? Defined White Prilled 46.2% 1.0% 0.5% 1mm to 4mm 90% Min. 160 Pxt Ppm Max. 32 Degrees Cen. Non Radioactive White, Free Flowing, Free From Harmful Substances, 100% Treated Against Caking White Granules 46.2% 1.0% 0.5% 2mm to 4mm 90% Min. 160 Pxt Ppm Max. 132 Degrees Cen. 100% Non Radioactive White, Free Flowing, Free From Harmful Substances Coated, Spherical & Uniform in Size, 100%