Urea, also known as carbamide, has the chemical formula CH4N2O. It is an organic compound composed of carbon, nitrogen, oxygen, and hydrogen. It is a white crystal.
Urea is a high-concentration nitrogen fertilizer, a neutral quick-acting fertilizer, and can also be used to produce a variety of compound fertilizers. Urea is suitable for base fertilizer and top dressing, and sometimes as seed fertilizer.
As a neutral fertilizer, urea is suitable for various soils and plants. It is easy to store, easy to use, and has little damage to the soil. It is a chemical nitrogen fertilizer that is currently used in a large amount. In industry, ammonia and carbon dioxide are used to synthesize urea under certain conditions.
|Test Items||Agricultural Quality Index|
|Total Nitrogen（In dry basis） ≥||46.0||45.0|
|Water（H2O） % ≤||0.5||1.0|
|Methylene diurea（in HCHO basis） % ≤||0.6||0.6|
|Particle size||d0.85mm-2.80mm ≥
|The product implementation standard is GB/T2440-2017|