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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.
Color | White |
Total Nitrogen, dry basis, %, ≥ | 46.0 |
Biuret, %, ≤ | 0.9 |
Moisture(H2O), %, ≤ | 0.5 |
Methylene diurea(in HCHO basis), %, ≤ | 0.6 |
Particle size | d0.85mm-2.80mm ≥ d1.18mm-3.35mm ≥ d2.00mm-4.75mm ≥ d4.00mm-8.00mm ≥ |
The product manufacturing standard is GB/T2440-2017, urea for agricultural use, China domestic industry standard |
ITEMS | UNIT | STANDARD | ANALYSIS |
Nitrogen | % | 46 min | 46.5 |
Moisture | % | 0.5 max | 0.37 |
Biuret | % | 0.9 max | 0.82 |
Alkalinity (NH3) | % | 0.6 max | < 0.6 |
Aldehyde | mg/kg | 15 max | 1.0 |
Insoluble matter | mg/kg | 20 max | 9.9 |
Phosphate (PO4) | mg/kg | 1.5 max | < 1.0 |
Calcium (Ca) | mg/kg | 1.5 max | < 1.0 |
Iron (Fe) | mg/kg | 1.5 max | < 1.0 |
Copper (Cu) | mg/kg | 0.6 max | < 0.6 |
Zinc (Zn) | mg/kg | 0.6 max | < 0.6 |
Nickel (Ni) | mg/kg | 0.6 max | < 0.6 |
Chromium (Cr) | mg/kg | 0.6 max | < 0.6 |
Magnesium (Mg) | mg/kg | 1.5 max | < 1.0 |
Sodium (Na) | mg/kg | 1.5 max | < 1.0 |
Potassium (K) | mg/kg | 1.5 max | < 1.0 |
Aluminum (Al) | mg/kg | 1.5 max | < 1.0 |
Q: Are you a manufacturer or a trading company?
A: We are a trading company, and we have a manufacturer located in Hebei Province.
Can I get some samples before I place an order?
A: Yes, we can provide free samples, but you will pay the freight.
Q: How long will it take to get a sample?
Answer: 7-10 days for general products, 30-40 days for customized products. Depends on production arrangements.
Q: What documents do you provide?
A: Usually we provide commercial invoice, packing list, bill of lading, COA, health certificate. If your market has any special requirements, please let us know.
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