Yudu County, Ganzhou, Jiangxi, China sales3@liwei-chem.com 748718781@qq.com
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Iron Oxide Yellow

    • Product Name Iron Oxide Yellow
    • Chemical Name (IUPAC) Iron(III) oxide-hydroxide
    • CAS No. 20344-49-4
    • Chemical Formula FeO(OH)
    • Form/Physical State Powder
    • Factory Site Yudu County, Ganzhou, Jiangxi, China
    • Price Inquiry sales3@liwei-chem.com
    • Manufacturer Anhui Liwei Chemical Co., Limited
    • CONTACT NOW
    Specifications

    HS Code

    804687

    Chemical Name Iron Oxide Yellow
    Cas Number 51274-00-1
    Molecular Formula FeO(OH)
    Appearance Yellow powder
    Color Index Pigment Yellow 42
    Density 3.5-4.0 g/cm3
    Melting Point Decomposes before melting
    Solubility In Water Insoluble
    Ph Value 5-8 (in suspension)
    Oil Absorption 15-25 g oil/100g pigment
    Tinting Strength High
    Heat Stability Up to 180°C
    Lightfastness Excellent
    Bulk Density 0.4-0.8 g/cm3
    Refractive Index 2.0-2.6

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

    Packing & Storage
    Packing Iron Oxide Yellow is packaged in a 25 kg net weight, woven polypropylene bag with moisture-proof inner lining and clear product labeling.
    Container Loading (20′ FCL) Container Loading (20′ FCL) for Iron Oxide Yellow: 25kg bags, 24 metric tons per container, palletized or non-palletized, moisture protected.
    Shipping Iron Oxide Yellow is shipped in tightly sealed, moisture-proof bags or drums, typically made of plastic-lined paper or steel to prevent contamination and clumping. Packages should be clearly labeled, stored upright, and protected from direct sunlight, moisture, and extreme temperatures during transit. Handle with care to avoid dust generation.
    Storage Iron Oxide Yellow should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area. Keep it away from moisture, acids, and incompatible materials. Protect from direct sunlight and sources of ignition. Containers should be clearly labeled and kept off the ground to avoid contamination. Follow all safety regulations and use appropriate personal protective equipment when handling.
    Shelf Life Iron Oxide Yellow generally has a shelf life of about 3 years when stored in a cool, dry, and sealed container.
    Free Quote

    Competitive Iron Oxide Yellow prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615365186327 or mail to sales3@liwei-chem.com.

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    Tel: +8615365186327

    Email: sales3@liwei-chem.com

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    Certification & Compliance
    More Introduction

    Iron Oxide Yellow: The Consistent Color Choice in Industrial Chemistry

    Why Iron Oxide Yellow Stands Out in Manufacturing

    Every day in our factories, we watch iron oxide yellow come off the lines. The product’s familiar color comes from the goethite crystal structure, which gives genuine staying power whether it goes into paint, plastics, or construction materials. We’ve worked with many pigments, but few offer the balance of stability and value that iron oxide yellow provides, especially in its 313 and 311 models. These models differ in particle size and tinting strength, giving manufacturers flexibility depending on their formulation needs. The 313 variant works well in mortars and concrete, its particle size designed to mix without causing uneven color streaks. The 311 model, finer and with more vivid yellow, blends best into high-grade coatings or plastic masterbatches seeking consistency across large batches.

    Raw materials, handling methods, and kiln mastery all shape the characteristics of the pigment. In our plant, these small details turn into major differences in final product performance. Iron oxide yellow offers chemical resistance, so even when exposed to moisture, alkalis, or UV radiation, it holds color integrity. For paints and coatings, this property supports long-lasting façade colors that keep buildings attractive and professional in appearance. We see far less fading compared to some cheaper organic pigments, where vibrant color turns dull after a few years outdoors.

    Everyday Uses, Proven Durability

    Construction sites pour concrete, paving blocks, and roofing tiles that contain our iron oxide yellow every week. Ready-mix operators like it because it gives the right shade without affecting mix properties. With plastics, processors heat up resins for items like garden furniture, cable insulation, or safety devices. The heat stability and non-reactivity of iron oxide yellow match the intense processing conditions, helping the end product stand up to sunlight and weather year after year.

    We work with coatings firms that want precise hues for safety striping, road marking, or facade painting. With our iron oxide yellow, they avoid surprise color shifts between batches. Its fine powders dissolve readily into the binder, which helps laborers avoid lumps and wasted materials on the job.

    Manufacturing Consistency Means Fewer Surprises

    No two days on the production floor look quite the same, but reliable color matters for customers who value quality standards. Iron oxide yellow stands out in the quality inspection room. Testing for oil absorption, residue, and humic acid content, most batches land far below the regulatory thresholds. High purity blends achieve heavy metal levels well beneath global safety cutoffs, so school playground builders and toy manufacturers choose iron oxide pigments confidently.

    Some clients remember years ago when natural ochres and blends with synthetic substitutes created major color inconsistencies. That type of guesswork and rework meant wasted days and scrapped product. Now, with tightly controlled manufacturing, we see repeatable particle distribution and shade over thousands of tons. Strict internal timing at hydration, drying, and calcination stops the crystals from clumping, which keeps dusting minimal and ensures clean lines during filling and bagging.

    Comparisons That Guide Real Purchasing Choices

    Often, customers ask about the differences between iron oxide yellow and other yellow pigments. The most direct competitor, organic pigments like diarylide yellow or Hansa yellow, brings bright shades and good tint strength but cannot match iron oxide’s weather resistance or lightfastness in outdoor use. For critical structures like traffic markings, iron oxide yellow remains the first choice due to its longer service life. Manufacturing teams appreciate not needing to add UV absorbers or stabilizers to compensate for pigment degradation; iron oxide holds its own.

    Titanium dioxide, sometimes blended for pastels or opacity, lacks the earthy tint of iron oxide yellow and drives up raw material costs when manufacturers call for large-volume earthy yellows. Even chrome yellow, which has long service in industrial colors, raises environmental concerns due to toxic chromium compounds. Today, strict legislation limits chrome yellow’s use. Iron oxide yellow avoids those regulatory headaches and wasted compliance costs thanks to its benign heavy metal content and absence of hazardous chemicals.

    For specialty use, natural yellow ochres and clay pigments once filled a niche in building restoration and ceramics. These have an appealing heritage, but lot-by-lot color and composition changes frustrate anyone trying to keep branding consistent or shade-matching across production runs. Synthetic iron oxide yellow delivers reliable color from pallet to pallet, so contractors and designers know what arrives on the loading dock.

    Working Directly with the Manufacturer: No Substitute for Practical Knowledge

    Years in the chemical industry have taught us to prioritize more than specifications on paper. Iron oxide yellow needs more than a certificate; it requires hands-on care at every step—mixing, milling, testing, and packing. Handling safety, dust suppression, product flow, and packing all shape downstream performance. Clumping or excess moisture waste time during dosing or automated bagging. Tight controls in our drying rooms and storage bins sidestep these problems before they reach the customer.

    Questions come up when customers face a formulating problem, such as shade drift in an epoxy paint or chalking in a polymer-compound part. With direct access to our engineers, troubleshooting becomes faster. Many times, we identify issues—like static charge affecting pigment dispersion or excess fines settling out in liquid binders—before they impact a final product line. We work through these scenarios, knowing pigment is only as valuable as the products it improves.

    Delivering What Markets Actually Need

    Urbanization and infrastructure upgrades mean construction firms continue to demand colored concrete and precast products that hold up under sun and rain. Iron oxide yellow fills out a color range that would otherwise need expensive and less stable choices. On the coatings side, demand for water-based, environmentally friendly paints drives selection toward pigments with low heavy metals, strong weather resistance, and long shelf life. This is where iron oxide yellow has an advantage: customers use less over time because the color lasts longer, and finished goods face fewer regulatory reviews.

    In plastics, growth in outdoor applications—from playgrounds to enclosures and landscape materials—pushes more manufacturers to seek UV-stable, weather-tested pigments. Iron oxide yellow doesn’t migrate or bleed, as some organic pigments do under heat or sunlight. This means consumer goods avoid color transfer problems, helping retail brands avoid complaints or product recalls.

    Meeting Sustainability Demands

    Regulations and green certifications grow tougher every season, driven by real environmental and health concerns. Our manufacturing process for iron oxide yellow minimizes waste through closed water recycling, dust collection, and careful heat management. The raw iron used often comes as recycled ferrous by-product from steel mills, giving what would have been scrap a new life in our pigment. By avoiding toxic elements, our pigment supports green labeling and safer workplaces.

    In discussions with our partners, sustainability goes past just compliance. Smaller batch sizes use pigment more efficiently in coloring processes, while big formulations for road construction rely on our capacity for bulk consistency. Whether the goal is cradle-to-gate environmental impact scoring or just simple audit paperwork, iron oxide yellow gives designers and procurement teams a more straightforward choice.

    Automation, Logistics, and Modern Demands

    Supply chains changed rapidly in the past decade. A dependable pigment must move easily from factory to application site without compromising quality or safety. We maintain robust packaging—moisture-resistant, stackable, properly labeled—to keep iron oxide yellow fresh through sea travel or road freight. The powder’s particle size and flow properties ensure it loads and unloads efficiently, whether the customer needs a single bag or twenty tons delivered by silo truck.

    Modern factories use automated feeding and mixing systems in both coatings and construction plants. Consistent particle distribution prevents blockages or feeder jams. Our regular feedback with production partners guides us to small process adjustments that keep pigment moving cleanly through their lines, reducing downtime and overtime costs.

    No Substitute for Trust Built on Results

    Manufacturing iron oxide yellow involves a blend of chemistry and craftsmanship. Team members and clients know real color consistency only comes from hands-on attention to process details: hydration curve, temperature window, particle grinding stages. Practical expertise cuts through theory, catching trends like over-drying or unfavorable reaction conditions before they ever reach shipment.

    Clients remember the hassle of poor color matching, batch-to-batch surprises, and unnecessary shade corrections before today’s stable pigments came along. With each delivery, we share test certificates and performance records, but in the end, results speak louder than paper. A paver that stays true on a busy walkway or a plastic facility using the same pigment load for years underscores the practicality of choosing a manufacturer with nothing to hide.

    Addressing Specific Technical Challenges

    Some industries push the limits of pigment performance. PVC and polyolefin processors demand not only high heat stability but also low plate-out, so pigment never gums up extruder screws or injection molds. We have modified milling protocols and surface treatments to meet these needs. Paint formulators experiment with new latexes or solvent-free carriers, and our technical team supports their R&D, often testing new binder-pigment interactions in parallel with customer trials.

    In tile and ceramics, color must remain unchanged even after high-temperature firing. Our iron oxide yellow model—especially selected grades—offers reliable shade for both glazed and matte finishes, without introducing metallic specks or unwanted fluorescence. Brick-makers and precasters who need bulk quantities for mass production opt for models that maximize cost efficiency and flow.

    Listening, Learning, and Improving—Year After Year

    Feedback from the end user drives our evolution. If an operator notices a new dusting trend or different handling property in a batch, we evaluate not just the batch but also the entire chain of steps, from precipitation to bagging. Long-standing partnerships with raw material suppliers help us smooth out variations, keeping our customers shielded from the abrupt market swings seen elsewhere.

    Regular improvements in environmental performance—lowering emissions, cutting water and energy use—aren’t just for regulatory audits. They also help everyone in the chain. Lower dust release benefits workers on the mixing line. Reliable moisture content preserves product during long journeys. A technician who doesn’t face surprise fines settling at the bottom of a tin sees less rework and waste on their lines. All these improvements build confidence in the pigment and in the people standing behind it.

    What the Future Demands from Iron Oxide Yellow

    Emerging sectors like 3D-printed construction, thermoplastic composites, and sustainable adhesives require pigments that withstand high shear, prolonged weathering, or mixed solvent exposure. As a manufacturer, we constantly test iron oxide yellow in these new conditions, updating our process based on field results and close communication with innovators. This work helps us deliver a more versatile, dependable pigment that grows alongside changing industries and regulatory frameworks.

    We also see growing demand for traceability in supply chains. Our batch records stretch back years, linking every sample to its source process and materials. This history means any concern, whether for color match or regulatory inquiry, gets real answers, not just apologies. Contractors, brand managers, and technical teams benefit from this transparency by having more predictable results and less downtime chasing avoidable pigment problems.

    In Conclusion: Focused on Results, Not Just Hype

    Iron oxide yellow earns its place in manufacturing through tangible results. As a producer, we know the daily demands placed on construction, coatings, plastics, and ceramics teams and have refined our product and process to meet them. It’s about more than statistics; it’s about giving people materials they trust—batch after batch, year after year—without drama.

    Our facilities and technical teams stand ready to meet both standard and specialized demands, working directly with customers for real-world success. Experience in the factory and in the field has made plain that iron oxide yellow provides the durability, safety, and reliability industries require—without the headaches and risks that come from chasing unproven alternatives or unreliable supply. Each day, putting our name behind this product reflects our belief in the value of trusted performance, straightforward solutions, and a partnership rooted in experience and real industry needs.