Agricultural Grade Urea

    • Product Name: Agricultural Grade Urea
    • Chemical Name (IUPAC): Carbamide
    • CAS No.: 57-13-6
    • Chemical Formula: CH4N2O
    • Form/Physical State: White Free Flowing Granular Solid
    • Factroy Site: No.3369 Bohai 10th Road, Lingang Economic Zone, Binhai New Area, Tianjin City, China
    • Price Inquiry: sales2@liwei-chem.com
    • Manufacturer: Tianjin Soda Plant
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    Specifications

    HS Code

    615726

    Chemical Formula CO(NH2)2
    Nitrogen Content 46%
    Physical Appearance white, granular or prilled
    Solubility In Water high
    Molecular Weight 60.06 g/mol
    Melting Point 132.7°C
    Hygroscopic Nature yes
    Odour odourless
    Ph Of 1 Percent Solution 7.2-7.4
    Biuret Content <1.5%
    Application Method soil application and foliar spray
    Toxicity To Plants low when used properly
    Compatibility With Other Fertilizers high
    Storage Conditions cool, dry place
    Use In Agriculture primary nitrogen fertilizer

    As an accredited Agricultural Grade Urea factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing White 50 kg plastic woven bag with blue labeling, marked “Agricultural Grade Urea,” nitrogen content, batch details, and manufacturer logo.
    Container Loading (20′ FCL) Container Loading (20′ FCL) for Agricultural Grade Urea: Packed in 50kg bags, approximately 22-25 metric tons per container, suitable for bulk shipping.
    Shipping Agricultural grade urea is typically shipped in 25- or 50-kilogram moisture-proof bags or in bulk via containers or trucks. The product should be kept dry, protected from direct sunlight, and stored in a cool, well-ventilated area. Proper labeling and handling are essential to prevent contamination and ensure safe transportation.
    Storage Agricultural grade urea should be stored in a cool, dry, and well-ventilated area, away from moisture and direct sunlight. The storage area must be free from combustible materials and protected from physical damage. Keep urea in tightly sealed, labeled containers or bags on pallets, above ground level, and away from acids and oxidizing agents to prevent contamination or hazardous reactions.
    Shelf Life Agricultural Grade Urea typically has a shelf life of up to 2 years when stored in cool, dry, and well-ventilated conditions.
    Application of Agricultural Grade Urea

    Purity 46%: Agricultural Grade Urea with purity 46% is used in field crop fertilization, where it ensures efficient nitrogen delivery and promotes vigorous plant growth.

    Granular Size 2-4 mm: Agricultural Grade Urea with granular size 2-4 mm is used in broadacre surface broadcasting, where it provides uniform nutrient distribution and minimizes fertilizer loss.

    Biuret Content ≤1.0%: Agricultural Grade Urea with biuret content ≤1.0% is used in sensitive crop feeding, where it prevents biuret toxicity and enhances seedling establishment.

    Moisture Content ≤0.5%: Agricultural Grade Urea with moisture content ≤0.5% is applied in mechanized spreading, where it reduces clumping and guarantees consistent flow during application.

    Water Solubility 100%: Agricultural Grade Urea with 100% water solubility is used in fertigation systems, where it enables rapid nutrient uptake and supports optimized plant nutrition.

    Melting Point 132°C: Agricultural Grade Urea with melting point 132°C is used in coated fertilizer formulations, where it maintains physical integrity under varying environmental conditions.

    Free Ammonia ≤0.03%: Agricultural Grade Urea with free ammonia ≤0.03% is used in greenhouse dosing systems, where it reduces volatilization losses and promotes a safer growing environment.

    Dust Content Low: Agricultural Grade Urea with low dust content is used in automated fertilizer blending, where it improves workplace safety and maintains product purity.

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    Certification & Compliance
    More Introduction

    Agricultural Grade Urea: Advancing Crop Nutrition with Consistent Quality

    Decades in Production—Hands-on Experience Shaping Reliable Fertilizer

    Every bag of agricultural grade urea that leaves our plant brings with it the experience of thousands of hours spent monitoring, adjusting, and refining chemical processes on the production floor. Working with urea starts at the very roots of plant nutrition. After more than twenty years running reactors, centrifugal granulators, and prilling towers, the difference between average product and a batch that truly supports modern farming becomes obvious in both sight and feel.

    Our product, deeply recognized for its purity, is produced in bulk to reach farm supply depots, wholesaler inventory, and direct customers throughout major grain-producing regions. It has been tested under real-world soil conditions across a range of climates, field trials, and crop cycles. Rather than focusing on abstract benchmarks, our manufacturing team watches for granule shape, color, N content, dusting, caking, and how it responds to both dry and humid storage environments. These details directly affect customer satisfaction at the farm level, where the difference can be tracked in bushels or tons per hectare.

    Product Specification That Matters to Farmers and Agronomists

    In the field, crop nutrition makes a clear case for transparent, straightforward specs. Our agricultural grade urea typically delivers a nitrogen content of at least 46 percent by weight, making it the highest-concentration solid nitrogen fertilizer commonly available. Granule size, usually in the 2–4 mm range, offers stable, even application via both broadcast and precision machinery. Uniform size and hardness prevent unnecessary dust and reduce bridging in spreaders, while ensuring that product withstands transportation without giving off excessive fines. These aspects have been shaped not just by chemistry but by listening to the people handling and spreading the material — spreader operators, co-op managers, and agronomists who need even coverage and moisture resistance.

    We rely on prilling and granulation lines specifically optimized for urea destined for agricultural fields. Unlike products refined further into specialty grades for resin or adhesive manufacturing, this urea emphasizes mechanical strength and weather stability rather than ultra-high-purity requirements. Daily sampling, thermal cycling tests, and batch tagging support complete traceability back to each shift. Customers do not have to compare endless technical tables: direct measurement tells the real story, and our test plots, side-by-side comparisons, and long-standing dealer networks help validate claims.

    From Factory to Farm: Handling, Storage, and Shelf Life

    Farmers operate on tight calendars. Rain, staffing shortages, and equipment breakdowns do not wait for fertilizer to arrive. That is why physical resilience matters as much as chemical content. Agricultural grade urea earns its place on the lot because it resists caking and remains free-flowing when conditions turn hot or damp. Analysis for moisture content takes place at multiple checkpoints, with acceptance limits well below 1 percent. A range of anti-caking and dust suppressants have been evaluated over the years; only those that avoid negative interaction with soil microbes and crop seedings get incorporated into our process.

    We designed our packaging and bulk loading operations to suit transport by rail car, bulk truck, or container. Many times, farm operators receive product that must handle weeks or months in storage. A high degree of moisture control, steady granule structure, and packaging that resists UV degradation ensure that what arrives at the farmyard stays viable until the spreader loads. Inventory checks with both large grain farms and smaller holdings have shown that batches stored for more than a year still deliver expected results, as long as basic stacking and tarping procedures are followed.

    Plant Nutrition—Maximized Value from Each Application

    More than half the world’s food production starts with fertilizer. Urea’s role is simple and essential: deliver a source of nitrogen that plants can absorb efficiently, with minimal loss to runoff or volatilization. Our facility’s process design focuses on reducing impurities such as biuret and heavy metals, substances that can impact both crop health and food safety in downstream supply chains. While cheap urea products sometimes leave farms dealing with powdery residue or uneven field uptake, our team’s focus remains on consistent granule density and reliable dissolution rates in variable soil types — not just sandy uplands but also heavier clay loams prone to crusting.

    Experience in the field often shows that details matter. Granules that break down predictably in rain or irrigation reach wheat, maize, canola, and rice plants at critical growth stages. Granules breaking apart too quickly can lead to volatilization loss as ammonia gas. Too slow, and the crop’s rapid early growth phase does not benefit from the dose. Our daily quality assurance program includes monitoring dissolution time and reviewing reports from dealer-network trials. We have worked alongside fertilizer consultants on dozens of test plots, tracking yield gains against competing products, including higher-priced controlled-release blends.

    Supporting Direct Application and Blending Operations

    Agricultural urea’s straightforward handling suits both single-product applications and bulk blend operations. In many regions, co-ops blend urea with phosphorus, potassium, and micronutrient carriers to deliver full-spectrum nutrition tailored to local soils. Granule hardness and low dust prevent separation inside blender drums, so analysis at the end of the conveyor matches what we shipped. Storage silos, trucks, and augers remain cleaner, reducing cleanup costs and manual labor for handlers.

    Farm supply operations value not just product reliability but also supply consistency. Our manufacturing schedule targets peak seasons well in advance. This planning keeps inventory on hand and reduces last-minute contract shipments. Bulk transport runs have been timed to mesh with inland river port schedules, minimizing dwell time in regional terminals. Over two decades, relationships with blenders, large growers, and regional buyers have focused on efficient, timely delivery. These logistics partnerships remove friction and cost, enabling farmers to concentrate on production.

    Why Agricultural Grade Urea Differs from Other Nitrogen Fertilizers

    Understanding chemical differences matters when making fertilizer choices. Unlike ammonium nitrate or sulfate-based products, urea packs the most nitrogen by weight. That grants transportation and storage advantages: less material to move and store per unit of plant nutrition. Urea offers broad compatibility with both rainfed and irrigated systems. Its water-soluble nature allows for predictable plant uptake, but only if precision in both granulation and impurity control is observed on the production line.

    Many customers ask about differences between our material and compound fertilizers or specialty coated ureas made for slow release. Our product offers instant availability after application and hydration, without relying on extra expense or elaborate coating processes. It provides a core building block for crop programs but costs less per acre than most slow-release options. No coatings also mean no concern about unknown breakdown products or residue affecting next season’s crop.

    Compared to lower-grade urea repackaged from industrial use, agricultural grade adheres to strict standards for heavy metal and formaldehyde limits. We work closely with regulatory agencies and independent labs to stay ahead of health and safety requirements. All output is tracked to its source batch. Years of audits, recordkeeping, and sharing of compliance evidence with worldwide partners have built a well-documented chain of safety and reliability. In contrast, off-spec urea sometimes depresses yields or causes seedling burns, an outcome we work constantly to prevent.

    Field Performance: Crop Yields, Operational Savings, and Sustainability

    Fertilizer input prices play a major role in farm budgets. Choosing the right grade of urea can put dollars directly back into the operation—not by chasing the lowest price, but by choosing a product that delivers its value on every acre. Our experience with large-scale corn operations has proven that reducing losses to volatilization or run-off improves yield by up to 10 percent even in moderate rainfall years. Granule strength lowers fine losses in transit and application, keeping more nutrition in the field.

    Crop rotation plans often require flexible inputs. In wetter years, delays in top-dressing call for a product that handles both surface broadcasting and shallow incorporation. Our product’s resistance to clumping and hardening under humid conditions lets the operator return days or even weeks after delivery without facing unusable material. Follow-up reports from end users point out time saved in both storage handling and spreader cleaning. Plant health is tracked directly through leaf tests and drone imagery, which gives direct feedback on nutrient uptake and growth uniformity across big parcels.

    Sustainability has shifted from a buzzword to a requirement for many farmers seeking to meet global trading standards. Producing urea in an energy-optimized plant lowers the embedded carbon footprint of each ton delivered. Onsite ammonia production—used as the nitrogen feedstock—has improved every five years as catalysts, pressure, and temperature controls sharpen. In partnership with agriculture research labs, we have participated in trials measuring nitrate leaching, water quality after fertilizer application, and soil microbiome impact. These collaborations help inform our process improvements. All buyers, from food companies to end consumers, want assurance that their supply chains reflect responsible chemistry from start to finish.

    Quality Through Every Production Step

    Real value emerges from the discipline built into the process, not just the raw materials. Every reactor run, evaporation cycle, and granulator sweep in our plant is logged, monitored, and checked by a production team with decades of tenure. Operators know the sound a batch makes when it runs well, and what off-spec looks like before a single test result is printed. Training hours accumulate in the plant as new employees learn from senior hands how to evaluate granule texture, color, and moisture on the line. Team continuity supports product consistency in a way that automation alone cannot deliver.

    In the lab, batch samples are tested against both local and international standards. We keep reserve samples from shipment lots for years, not just months, so any issue raised by a customer or regulatory agency can be traced, tracked, and addressed with confidence. Regular plant audits by internal teams and third-party specialists push us to improve even established production routines. Improvements to the formulation process, prill tower cooling, and coating procedures are made only after pilots are validated in both test fields and warehouse storage lots, simulating real user conditions.

    Supporting Modern Farming: Precision Agriculture and Digital Integration

    Digital agriculture and precision application have altered how farmers approach nutrient application. Variable-rate technology used on today’s largest row-crop units depends on inputs with minimal fines and even granule crushing index. This requirement drove continuous upgrades to our sieving and screening equipment. As a result, average size distribution falls into a tighter range, which passes spreader calibration checks every season.

    Field traceability systems now track lot codes and batch histories down to individual application zones. Our partnership with agronomy software platforms allows seamless data exchange, so digital records for traceability audits build from verified manufacturing data—not just paperwork. Farm managers gain fuller visibility into input effectiveness, as drone and satellite monitoring platforms feed back information on crop response to urea application. This link between digital and physical supply chains shortens the feedback loop, letting us adapt production targets and blending options ahead of agronomic trends and weather shifts.

    Precision no longer applies only to large commercial operators. Medium-sized and family farms want cost-effective ways to adopt the same practices. We offer both bulk and smaller-bag packaging suited to these operations. Common feedback from outreach programs has been that product usability—straightforward loading, predictable flow, and low clumping—often does more for a farm’s bottom line than investing in novel chemistry that complicates daily routines.

    Solutions and Response to Current Agricultural Challenges

    Market volatility always presents hurdles. Sudden changes in energy pricing or supply interruption events ripple quickly through fertilizer costs and availability. By maintaining diversified sourcing for ammonia and other inputs, we have improved our resilience during supply shocks. Sourcing specialists lock in both local and global contracts, minimizing exposure to geopolitical shifts that could otherwise impact agricultural customers at the worst time—peak planting and fertilizing windows.

    Food safety and regulatory compliance remain top priorities. With rising concern about foreign-sourced products and contamination risk, all outbound shipments from our plant carry up-to-date documentation on both input origin and exclusion of restricted substances. Liaison work with agricultural extension offices and food safety officials means that our customers see information on soil and food chain safety backed by measured results, not just compliance claims.

    Every suggestion from the field, whether about bag throughput, spreader calibration issues, or granule performance under specific soil types, cycles back through our technical and operations teams. More than a one-way flow of product, this iterative loop drives steadily higher standards for our agricultural grade urea. We see this not as an obligation but as a way to strengthen every participant in the chain, from upstream feedstock providers to end-use growers and, ultimately, the global food supply network.

    Looking Forward—Innovation with Purpose

    Agriculture stands at a crossroad between tradition and innovation. Fertilizer manufacturing also feels this pressure, as each new season means finding ways to deliver better value without sacrificing consistency. In pilot projects, we have trialed urease inhibitor additives that can be applied at the farm gate if risk of volatilization is extreme, all without pushing costs up across the entire supply. Field-proven feedback leads us to embrace changes that lower environmental risk, reward sustainable practices, and support smaller operations without diluting the core benefits that have supported successful farming for generations.

    For us, innovation has always meant listening closely to the demands of both the land and its stewards. Small changes in process chemistry, bulk handling, and transport logistics deliver concrete benefits only if anchored in practical, ongoing user feedback. Across every ton shipped, quality control arises from doing the work right: skilled people, modern equipment, and a genuine understanding of how urea delivers results where it matters most—on working land, under the changing sky, in the push from planting through harvest.

    Through decades of hands-on production, close ties to end-user farms, and a deep respect for the complexity of both soil and market, our agricultural grade urea continues to evolve not in isolation, but as a critical support to the people who feed the world. The trust we build, season after season, keeps our focus sharp: each shipment must deliver the value, safety, and utility that help growers achieve more—now, and for the seasons yet to come.