|
HS Code |
595485 |
| Chemical Name | Urea |
| Formula | CO(NH2)2 |
| Appearance | White crystalline solid |
| Solubility In Water | High |
| Application Method | Broadcast, top dressing, foliar spray |
| Common Uses | Nitrogen fertilizer for crops |
| Storage Conditions | Cool, dry, well-ventilated area |
| Hygroscopic Nature | Yes |
| Ph Of 1 Percent Solution | 7.2-7.4 |
| Melting Point | 132.7°C |
| Odor | Odorless |
| Packaging | Bags, bulk |
| Biodegradability | Biodegradable |
As an accredited Urea Fertilizer factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | A 50 kg woven polypropylene bag, labeled "Urea Fertilizer 46%N," featuring safety instructions, manufacturer details, and moisture-resistant inner lining. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL) for Urea Fertilizer involves securely packing 25-27 metric tons in polypropylene bags for efficient shipment. |
| Shipping | Urea fertilizer is shipped in bulk or bagged form, typically via truck, rail, or sea freight. It should be transported in dry, well-ventilated conditions to prevent moisture absorption and caking. Packaging must comply with safety standards, and care is taken to avoid contamination during handling and transit. |
| Storage | Urea fertilizer should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and moisture to prevent caking and decomposition. It must be kept in tightly sealed bags or containers, off the ground, and away from incompatible materials such as strong acids and oxidizers. Proper labeling and protection from physical damage and water contamination are essential. |
| Shelf Life | Urea fertilizer typically has an indefinite shelf life if stored in a cool, dry place, away from moisture and direct sunlight. |
Applications of Urea Fertilizer in Industrial ManufacturingDrawing on our direct manufacturing expertise, we supply urea fertilizer for a range of industrial sectors that demand high-quality, consistent feedstock for downstream processes. Below, we detail the authentic application scenarios, focusing on real industry practices, process integration points, and compliance standards. 1. Compound NPK Fertilizer BlendingIn the large-scale production of compound NPK (nitrogen-phosphorus-potassium) fertilizers, urea continues to serve as the primary nitrogen donor, owing to its high nitrogen content and ease of granulation. Formulators precisely calculate the proportion of urea to achieve specified nutrient ratios, adapting the blend to crop requirements, soil testing data, and regional agricultural regulations. Modern plants utilize advanced computerized batch systems to meter and incorporate urea, ensuring accurate integration alongside phosphates and potash sources. Final blended products include granular and bulk-blended NPK fertilizers customized for specific agricultural zones and cropping cycles. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
2. Urea-Formaldehyde Resin ManufacturingProducers of engineered wood materials rely on urea as a critical reactant in the synthesis of urea-formaldehyde (UF) resins. Precise stoichiometric control ensures optimized resin performance for particleboard and medium-density fiberboard, with manufacturer programs focusing on minimization of free formaldehyde and enhanced bond strength. The material is introduced into closed reactors where it reacts with formaldehyde under controlled conditions, followed by condensation, neutralization, and spray drying to obtain the final resin powder or syrup. Finished UF resins form the adhesive matrix in wood-based panels for the construction sector. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
3. Melamine Production (Melamine-Urea-Formaldehyde Systems)Urea serves as the main precursor in the industrial synthesis of melamine, which is subsequently used to create melamine-urea-formaldehyde (MUF) resins for high-performance laminates and coatings. The process requires feeding urea into high-pressure reactors operated at elevated temperatures, where it decomposes to form melamine, with recovery and recirculation systems for unconverted urea and released ammonia. Final process steps integrate the produced melamine with urea and formaldehyde to develop specialized resin formulations, highly valued in the manufacturing of decorative laminates and molded tableware. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
4. Diesel Exhaust Fluid (DEF, AdBlue®) SolutionsUrea’s use in diesel exhaust aftertreatment leverages its high purity and controlled dissolution. DEF manufacturers dissolve prilled or granulated urea in deionized water under hygienic conditions to ensure strict compliance with automotive and environmental requirements. The final aqueous solution is injected into SCR (Selective Catalytic Reduction) systems for nitrogen oxide abatement in commercial vehicles, power generation, and stationary engines, with product purity and homogeneity extensively monitored to ensure functional performance and prevent catalyst damage. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
5. Animal Feed Protein SupplementsFeed manufacturers use feed-grade urea as a cost-effective non-protein nitrogen source in ruminant nutrition, primarily for cattle and sheep. Strict guidelines govern its use, as urea must be carefully blended into compound feed mixers after ingredient screening and particle size adjustment. The formulation must align with regional animal nutrition regulations to prevent toxicity and ensure animal welfare, with quality programs certifying both urea purity and mixing uniformity. The end products are high-protein feeds, mineral licks, and feed blocks for livestock production systems. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
6. Deicing Agent (Urea-Based Melting Products for Airports and Sensitive Zones)Airport and transportation authorities use specialty-formulated urea deicers as a preferred alternative to chloride-based products for sensitive runways, taxiways, and concrete surfaces, minimizing metal corrosion and eco-toxicity. Granulation plants introduce urea into specialist mixers with anti-caking agents and inert dyes for traceability. Finished products undergo rigorous certification for application on aviation grounds, with end users relying on controlled spreading equipment to deliver safety in winter operations without damaging aircraft or paved infrastructure. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
|
Competitive Urea Fertilizer prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615380400285 or mail to sales2@liwei-chem.com.
We will respond to you as soon as possible.
Tel: +8615380400285
Email: sales2@liwei-chem.com
Flexible payment, competitive price, premium service - Inquire now!
At our plant, we work with farmers, agronomists, and food producers every day. Our conversations often circle back to expectations about crop performance and soil health. Decades of manufacturing experience have shown us that not all nitrogen fertilizers deliver the same results in the field. Urea fertilizer, with the molecular formula CO(NH2)2, holds a distinct place among the choices available to modern growers. We see the benefits of granular urea with each production batch—consistent particle size, high nitrogen content, and reliable handling properties. With every shipment, our quality assurance laboratory checks for purity above 46% nitrogen content. These details determine how well plants absorb nutrients, how quickly nitrogen enters the soil, and how predictably fields respond after application.
We manufacture standard granulated and prilled urea, each offering benefits for different environments and spreading systems. The granulated material moves smoothly through most applicators, resisting caking during storage and distribution. Granules average between 2 and 4 mm, which matches the requirements from broadacre farmers and commercial fertilizer blenders. The prilled option, with a slightly finer, more spherical grain, fits well for tea plantations, oil palm estates, and other specialty crops equipped with precision spreaders. Both types reach a nitrogen content exceeding 46% by weight, with biuret levels below critical thresholds to avoid potential phytotoxicity in sensitive crops. Our plant management team insists on these specification targets based on feedback from field trials and collaborative research with agricultural universities.
Each bag of urea fertilizer offers an efficient, concentrated package of plant-available nitrogen. We see the impact of nitrogen nutrition every season—greener leaves, more robust stems, and heavier grains at harvest. The nitrogen in urea eventually converts into ammonium, which roots can absorb through various soil processes. Our agronomic team often explains to local growers why this matters: compared with ammonium nitrate or ammonium sulfate, a smaller volume of urea covers more land. The cost and logistics of hauling and spreading become less burdensome, especially for large acreage. Since farmers can apply our product as a straight dressing, blend it with phosphorus and potassium fertilizers, or drip-feed through irrigation systems, urea gives flexibility that many other forms lack.
Colleagues in our industry sometimes discuss urea only as one choice among many. Having manufactured several types ourselves, we’ve noted several key differences. Ammonium nitrate contains two nitrogen forms—ammonium and nitrate—which offer faster early uptake. Urea, on the other hand, delivers its nitrogen as a slow-release source after hydrolysis in the soil. This process returns visible benefits for crops that demand steady growth over weeks rather than a rapid flush. Our customers report that well-timed urea application reduces the risk of leaching and volatilization losses compared to surface-applied nitrate products in warm, moist conditions. Plus, the lower cost per ton of fixed nitrogen in urea, matched to its bulk density and storage safety, has kept our material in demand through decades of changing crop management practices.
Inside our reactors, the familiar cycle repeats every day—ammonia combines with carbon dioxide under heat and pressure, synthesizing urea crystals before they move through granulators or prilling towers. Each process step shapes properties that users notice in the field: dust formation, spread width, and ease of dissolving in water. Troubleshooting machine fouling or off-grade product isn’t a distant concern; it's part of each shift for our operators. They know where stickiness might signal moisture ingress, or where an off-color batch hints at process imbalance. We trace the path from raw materials all the way to the finished, packaged nutrient. Years of persistence refining temperature cycles, cooling rates, and anti-caking treatments mean the finished product lands in customers’ hands ready to perform.
We follow strict emission and safety protocols based on national standards, but beyond paperwork, our employees live near the same rivers and fields that rely on careful nutrient management. Urea does not acidify soils as strongly as ammonium sulfate. Appropriate placement allows farmers to minimize nitrogen loss to runoff and volatilization, which helps both yield and environmental risk. We help local co-ops with recommendations on timing, rates, and incorporation, drawing on partner research to reduce the risk of groundwater contamination or air quality issues. Storage safety presents another benefit for those managing warehouses and supply sheds: our staff handle urea with fewer concerns over explosive hazards compared to nitrate products, bringing peace of mind to those working onsite.
Our regular discussions with large-scale grain and vegetable producers focus on real-world performance in spreaders, blending, and drip systems. Over the years, granulated urea from our lines has proven less prone to bridging or compressing in silos than many powdery nitrogen options. Technicians test for flowability by simulating field conditions—humidity, vibration, and transit over long distances. Coating treatments applied at the factory serve two purposes: controlling fines generation and improving fertilizer flow. These details matter during high-demand season when spreaders cover thousands of hectares before rainfall. Some customers blend our urea with controlled-release coatings or stabilizers for further improvements, but we’ve seen strong field returns with unamended product when managed correctly for local conditions.
Yield data collected by our team supports what farmers have seen for generations: crops need reliable access to nitrogen over the growing season. Both intensive vegetable growers and broadacre cereal producers confirm that urea’s high analysis allows them to fine-tune input rates to match crop stage and expected demand. In some markets, we help smallholder cooperatives plan split applications, which use modest doses at sowing and again at vegetative peaks. Field trials at university research farms have measured not only higher yields but also improved protein content in wheat and other cereals after correct use. Our company’s collaboration with extension agents helps address questions regarding timing, rates, and possible interactions with irrigation and crop protection products.
Some users and policymakers express concern about potential nitrogen losses through volatilization, especially in hot, alkaline soils. Through extension programs, we explain the role of urease inhibitors in reducing gaseous losses and improving crop recovery rates. Our technical guides highlight the benefits of timely incorporation, either by light tillage or by irrigating soon after broadcasting. We’ve noted in our records that volatilization risk drops sharply when urea granules are properly integrated into moist soil. Improper surface application can lead to atmospheric loss of around 20% or more of applied nitrogen under the wrong conditions, but many customers avoid this outcome with good practices.
Our cost structure centers on bulk inputs—natural gas for ammonia synthesis and electricity for plant operations. The global nitrogen market, with periodic price swings from geopolitical shifts or energy shortages, affects both our production budgeting and customer purchasing decisions. Despite these fluctuations, urea maintains a strong following with buyers for its cost-efficiency measured as price per unit of available nitrogen. The ability to ship large quantities in bulk containers, store them for months without significant loss of quality, and blend or surface-apply makes urea an industry mainstay. We field seasonal orders from cooperatives, plantation estates, and distribution networks that time purchases to maximize both price and availability.
Every feedback form, extension survey, or group discussion with customers brings new details that help us refine the final product. Many agronomists highlight how urea, as a straight nitrogen fertilizer, delivers predictable results in adaptable programs for wheat, corn, rice, and pasture systems. We invest in demonstration plots with research stations, comparing urea with alternative sources under identical conditions. These trials consistently show that nitrogen uptake from urea can closely match or exceed other sources, provided that environmental management and timing remain on target.
Regulatory bodies increasingly focus on nutrient management as a key piece in climate action. Our manufacturing team tracks proposals for emission caps and nitrate leaching limits, knowing they shape not just compliance, but the tools and advice we provide growers. Urea’s potential contribution to sustainable agriculture comes from its high nutrient density and flexible application. We work with product improvement chemists to trial slow-release coatings, which aim to extend nitrogen availability and minimize loss. Some regions restrict nitrate fertilizers because of water contamination risks, leaving urea as a preferred tool alongside precision placement and soil testing. Our research partners emphasize integrating urea into balanced nutrition plans tailored to soil and crop needs, rather than relying on single-product solutions.
Our engineering and packaging departments have developed high-barrier bags and bulk handling systems to protect against weather and moisture pickup, reducing waste across the supply chain. Field service teams visit customer facilities to train staff in best handling practices. Over the years, feedback has contributed to small but meaningful changes in bag strength, palletization, and labeling for traceability.
Today, our focus turns to efficiency boosters, stabilizers, and environmentally aligned enhancement strategies. The latest advances in urease and nitrification inhibitors mean nitrogen from urea remains available in the soil longer, which benefits both crops and the surrounding ecosystem. Alongside these product improvements, our company promotes site-specific recommendations built on local monitoring and digital decision support tools. These advances ensure that urea remains both economically sound and environmentally responsible in the coming decades.
As a manufacturer, we’ve long partnered with customers who understand their soil, climate, and management systems. Our team encourages using up-to-date soil analysis and crop modeling to determine nitrogen needs, supported by cautious placement and timing. We’ve seen time and again that attention to detail at every step—storage, blending, application—translates to improved nutrient use efficiency, reduced environmental impact, and higher returns for growers. By supporting transparent communication and ongoing field trials, we continue learning and applying the best of evolving urea technology for our customers’ success.
Manufacturing urea fertilizer isn’t just a matter of producing a white, free-flowing powder or granule. The real work starts on the factory floor and ends in every field, orchard, and garden that depends on steady, reliable nitrogen. We take responsibility seriously—producing a quality product, securing supply chains, and offering sound agronomic advice. This daily commitment keeps our company and customers confident as agriculture moves toward sustainability and efficiency. Guided by the latest science and grounded in experience, we continue to refine and improve our urea fertilizer for the needs of new generations of growers.