Products

Pigment Yellow 4R-C

    • Product Name: Pigment Yellow 4R-C
    • Alias: Permanent Yellow 4R
    • Einecs: 235-087-3
    • Mininmum Order: 1 g
    • Factroy Site: Yudu County, Ganzhou, Jiangxi, China
    • Price Inquiry: admin@ascent-chem.com
    • Manufacturer: Ascent Petrochem Holdings Co., Limited
    • CONTACT NOW
    Specifications
    HS Code 556301
    Chemical Name Pigment Yellow 4R-C
    Color Index Number C.I. Pigment Yellow 65
    Cas Number 6528-34-3
    Appearance Yellow powder
    Molecular Formula C18H18N4O6
    Molecular Weight 386.36 g/mol
    Density 1.6 g/cm³
    Melting Point >300°C (decomposes)
    Lightfastness Good
    Oil Absorption 40–60 g/100g
    Heat Resistance Up to 180°C
    Chemical Class Azo pigment

    As an accredited Pigment Yellow 4R-C factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Pigment Yellow 4R-C is packaged in a 25 kg net weight, multi-layer kraft paper bag with inner polyethylene liner for protection.
    Shipping **Shipping Description for Pigment Yellow 4R-C:** Pigment Yellow 4R-C is securely packed in sealed, moisture-resistant bags or drums. The chemical is shipped as non-hazardous material under standard transportation regulations. Store and transport in a cool, dry place, away from direct sunlight and incompatible substances. Handle with care to prevent package damage and dust formation.
    Storage Pigment Yellow 4R-C should be stored in a tightly closed container, in a cool, dry, well-ventilated area away from direct sunlight and sources of ignition. Avoid contact with moisture and incompatible substances such as strong acids or oxidizers. Storage conditions should prevent contamination, and personal protective equipment should be used when handling to avoid inhalation or skin contact.
    Application of Pigment Yellow 4R-C
    Purity 98%: Pigment Yellow 4R-C with a purity of 98% is used in high-grade plastics manufacturing, where it ensures consistent chromatic intensity and batch-to-batch color uniformity.Particle Size D90 ≤ 3 μm: Pigment Yellow 4R-C with a particle size D90 ≤ 3 μm is used in automotive coatings, where it achieves enhanced opacity and smooth surface appearance.Lightfastness Grade 7: Pigment Yellow 4R-C with a lightfastness grade of 7 is used in outdoor paints, where it provides superior resistance to fading under prolonged UV exposure.Oil Absorption 32 g/100g: Pigment Yellow 4R-C with an oil absorption value of 32 g/100g is used in printing inks, where it promotes optimal viscosity and prevents ink bleeding.Heat Stability 180°C: Pigment Yellow 4R-C with heat stability up to 180°C is used in polyolefin coloration, where it maintains color integrity during high-temperature extrusion processes.Moisture Content ≤ 1%: Pigment Yellow 4R-C with moisture content ≤ 1% is used in powder coatings, where it prevents pigment agglomeration and improves dispersion efficiency.
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    Competitive Pigment Yellow 4R-C prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please contact us at +8615365186327 or mail to admin@ascent-chem.com.

    We will respond to you as soon as possible.

    Tel: +8615365186327

    Email: admin@ascent-chem.com

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    Certification & Compliance
    More Introduction

    Pigment Yellow 4R-C: Delivering Reliability in Coloring Solutions

    Introducing Our Experience with Pigment Yellow 4R-C

    Pigment Yellow 4R-C carries a distinct feature set that reflects hands-on production knowledge, crafted and scaled directly within our own facilities. Decades of navigating formulation hurdles have taught us that real consistency takes more than talking up technical data; we let the pigment's performance in the field speak for itself. As a manufacturer involved in every bag we deliver, we know why customers keep coming back for this grade: the tint strength holds up batch after batch, and its reliability eases process adjustments in a way that shortcuts nobody's work on the shop floor or in the quality lab.

    Core Physical Qualities

    Every time we produce a batch of Pigment Yellow 4R-C, attention goes into both particle size and dispersion quality. It walks a line between fine enough to build bright, saturated color without crossing into the dustiness that frustrates mixing and clogs up equipment. Over the years, requests from masterbatch and liquid paint clients have guided us to keep the average particle size below the eye’s threshold for graininess, yet large enough that proper color development shows right away. What stands out with this product isn’t a magic formula, but repeated, measured blending and filtering at every scale-up step.

    We put our own pigment under matched-light booths before it leaves the plant, looking out for both shade consistency and undertone. Slight shifts in process temperature or raw intermediate quality can nudge undertone toward greenish or reddish—a real sticking point if you’re tinting a batch of traffic marking paint or high-volume industrial plastic. Decades of raw material sourcing and in-house testing taught us that raw data sheets or supplier claims can look the same on paper, but a seasoned operator sees differences as soon as the pigment hits the mixing stage.

    Usage in Coatings and Plastics: Lessons From the Field

    Our primary customers draw from the coatings, plastics, and ink sectors. In architectural paint production where bright, lasting color counts, painters and chemists often mention our Yellow 4R-C’s fast incorporation. It blends into acrylic and alkyd systems with the mix time predictable enough that line operators set their workflows around its behavior. Too often, a cheaper substitute creates foaming or destabilizes during shear. This pigment resists those headaches—it takes only moderate agitation and sits well in both low- and high-viscosity systems.

    On the extrusion side, pigment loadings for polyolefin and PVC compounds depend not just on color strength, but also on heat stability. Our Yellow 4R-C sees frequent use in both gardenware and interior trim. It stands up to multiple reprocessing cycles. Clients running high-speed extrusion appreciate that color drift and lacing rarely show up, so costly stoppages and re-dos drop. From our own techs’ usage notes over hundreds of lab runs, the pigment consistently disperses without extra wetting agents.

    Compatibility with Formulation Additives

    Every chemist faces the real-world challenge of unexpected pigment-dispersant clashes. Over years of solving these headaches for our own color masterbatches, Yellow 4R-C offers a straightforward advantage: it plays well with most common surfactant and dispersant packages. In tests alongside calcium stearate, polyethylene waxes, and the typical amine dispersants, it demonstrates predictable behavior—those lucky enough to run solvent-based ink lines report minimum letdown time and a reduction in unexpected grindside flocculation. Where other pigments force headaches about pH drift or resin incompatibility, this grade introduces fewer surprises batch after batch.

    Differences from Common Yellow Pigments on the Market

    Years of manufacturing and problem-solving with clients make the differences between Yellow 4R-C and commodity grades clear. Many so-called equivalent yellow powders in the market claim a similar color index, but they fail to keep up with our shade repeatability or resist light and migration in polyolefin. Competing sodium salt types sometimes leave an oily residue, which introduces unwanted surface defects in molded or coated plastics—a point highlighted to us by several injection molding plants using our pigment in parts exposed to sunlight.

    Our own batch comparison trials, run over months alongside both imported and domestic alternatives, showed that Yellow 4R-C maintains better color fastness outdoors. One specific instance involved municipal signage manufacturers, who found that post-extrusion yellowing or greening appears later in cycles with our pigment than with cheaper imports—an observation repeated enough that it led those customers to specify our batch number in long-term supply contracts.

    Practical Handling, Safety, and Waste Considerations from a Manufacturer’s View

    Decades of shoveling, weighing, blending, and packing pigment means we know how crucial low-dust handling can be. Yellow 4R-C is formulated to reduce airborne fine particles during transfer, helping plant crews avoid long cleanup times and potential worker complaints. We do not recommend skipping standard PPE, but the difference in shop environment and mixer wear over a year’s operation is not trivial. We minimize free moisture to keep caking away, lessening the chance of blockages and lost product during automated dosing.

    From a plant operator’s angle, waste matters—both from product loss and compliance. Yellow 4R-C ships with only minimal secondary packaging and leaves behind low residue in mixer blenders. While the chemical industry partakes in ever more regulation, we optimize each step of production for both the compliance logbook and the person actually bagging at the loading dock. If a pigment constantly sticks to everything and requires solvent cleanup, you hear about it soon enough. That is not the case with this product.

    Feedback that Shaped Our Process

    A pigment’s reputation travels not by marketing, but by word-of-mouth among purchasing managers and operators who have to hit shade targets every week. Our process improvements have been shaped directly by feedback from the field. For example, an offset printer flagged sensitivity to moisture uptake when the pigment sat open for days in a humid shop. We re-engineered packaging and kiln-dried during finishing, which both solved the problem and improved our batch-to-batch performance in offset and flexo inks. Every tweak like this comes from someone down the chain using, not just selling, our pigment.

    In a demanding color matching lab, the chemist has no patience for inconsistent suppliers. Over years of direct support, our technical team spotted that clients choosing Yellow 4R-C rarely return for technical support calls for issues with shade fluctuation, unlike rival pigments from the same color index. This kind of low-maintenance standing comes from years of tuning both chemical purity and finishing steps—critical factors we invest in for less drama at both our production line and the customer’s.

    Real-World Applications and Lessons Learned

    The difference between theoretical lab testing and daily manufacturing shows itself fast in polymer color compounding. Yellow 4R-C’s wide heat stability profile makes it popular with molded toys, garden tools, and indoor fixtures. Our plant’s own experience running test batches alongside polyethylene and PVC revealed lower migration and plate-out compared to fast-yellow alternatives.

    Traffic paint shops, driven by public sector contracts, often point to tighter environmental specs, with lower VOC and better pigment filtration. Yellow 4R-C’s rinse-and-settle cycle on our own lines delivers low soluble salts, letting the pigment pass municipal paint requirements more easily. Over years, this not only helped major paint marketers but gave us direct savings on filter maintenance and cleaning costs—which adds value beyond the usual product bullet point.

    Textile printing highlights other lessons: thermal stability is solid through pressure and repeated wash cycles. Garment decorators have found the pigment keeps to its promised yellow without drifting to green, even in risk-prone discharge printing processes. We see fewer complaints about patchy curing and migration stains, which tells us the synthetic path and post-synthesis treatments are now dialed in right.

    Analyzing Regulatory Pressures and Eco Trends

    Color chemistry always comes under review from environmental and workplace safety authorities. Our compliance team tracks global directives to keep raw materials and trace elements below regulated thresholds, especially for materials coming into contact with skin or food. Over fifteen years, regulations on heavy metals and banned substances forced us to adapt both procurement and process controls for this pigment. That work pays off: clients can cross-check each lot and meet their own downstream standards without last-minute panic audits.

    Market expectations for cleaner manufacture keep rising. Down the line, the clients are being pressed to declare pigment safety and traceability. Since every batch of Yellow 4R-C is produced in-house, we maintain comprehensive batch logs, so clients who face regulatory review have transparency back to the reactor. This practice also eliminates the worry about hidden blending with unapproved intermediates—a risk we have seen third-party traders sometimes get snagged for.

    Technical Challenges and Solutions in Production

    The learning curve in pigment production bends hardest at scale-up. Lab-scale synthesis often hides issues that flare out only with tank or reactor full production. Pigment Yellow 4R-C took years of scaling efforts to achieve particle size control and clean filtration with each run. Excessive fines or uncontrolled residual salts plagued us in early years—problems that show up for clients as filter blockages, or alkali-induced color shift down the mixing chain.

    Upstream process controls and a commitment to repeated pilot-scale trials allowed us to standardize chemistry enough that downstream staff can measure a handful of QC parameters and feel confident. A typical pigment plant can cut corners and flood the market with “equivalent” yellow, but we keep investing in staff training and process tuning with the same chemist running both the pilot and production lines.

    Advantages over Category Alternatives: Direct Feedback, Not Labelling

    Some pigments on the market, while offering lower cost, hide their inconsistency until the last stages of application. We have seen customers try “equivalent” yellow batches sourced from unknown suppliers in times of market shortages. More frequent customer returns, color drift, or poor processability persuade them to come back to a consistently manufactured pigment like Yellow 4R-C. The simple truth remains: pigment consistency keeps production lines running and reduces bulk waste. Experienced buyers know a few extra dollars at the initial stage save far more in reduced rework and scrap.

    Aside from application benefits, a repeat customer in packaging noted that while category alternatives were often promoted with similar claims, our pigment’s lack of odor contamination stood out in film and injection-molded packaging. While some suppliers cut hydrogenation or washing steps to save cost, those skipped steps show up as off-odors or color instability after weeks or months under sun or shelf-light. Our decision to insist on a complete purification cycle ensures a product useful not just during color matching, but once the end product reaches the market.

    Global Supply Chain Insights and Local Responsiveness

    Experience tells us that just-in-time delivery only works if the supplier runs their own production and inventory, not just a spreadsheet. Global supply chains, as seen during unexpected disruptions, can cause pigment customers to scramble for last-minute alternatives. Direct control enables us to buffer supply shocks, scale up lot sizes, and deliver with lead times that distributors only promise in sales calls.

    Regional customization, such as matching for South Asian sunlight conditions or colder European winters, comes from working closely with long-term partners. Our field support staff receive direct training from the plant floor, so issues can be traced back to process or raw material changes with practical solutions rather than empty assurances. Every time a pigment user shares field failures, we log that feedback for process tuning, not just for sales claims.

    Longevity, Storage, and Shelf Life Considerations

    In our manufacturing warehouses, we monitor storage stability much like our customers do. Pigment Yellow 4R-C remains shelf-stable under proper storage, which typically means keeping it cool and dry. We invest in vapor-proof packaging and run stability checks—each year, our in-house QA pulls random old-stock samples to rerun both tint strength and dispersibility. What we found: after eighteen months, the pigment retained color intensity, and the flow matched freshly packed batches. These practical shelf-life traits deliver value at the distributor and factory level, avoiding pigment consolidation, which adds headaches for anyone who runs small or variable-lot production.

    Our packaging line opts for moisture barriers, not just paper sacks, so the pigment resists caking or agglomeration that can spoil high-end production runs months after shipping. For customers who cannot always rotate stock quickly, this reliability helps reduce spoilage losses—especially in regions with extremes of heat and humidity.

    What Our Experience Shows About Long-Term Batch Consistency

    Customers judge pigment suppliers by how well they match each delivery to past shades—recolouring costs, scrap production, and angry end users come from small inconsistencies. Years of running large-lot productions, batching, and internal QA audits proved that Yellow 4R-C’s consistency comes from disciplined raw material selection, as well as calibrated reactors, not just automatic color matching devices. Only people with hands-on experience in pigment plants realize how often raw inputs drift, even from the same upstream supplier.

    Not every pigment plant takes the time to record and adjust for weather and batch variation, but this step pays off when a customer’s color tech phones in about a minor shade drift. We pull back to the raw batch records, not guesswork. This process-driven discipline supports long-term partnerships, reliable supply, and real-world savings in production downtime.

    Our Final Thoughts from the Manufacturer’s Perspective

    Pigment Yellow 4R-C reflects not just chemistry, but the daily commitment of a manufacturing team able to control every production step, absorb user feedback, and solve practical color challenges. We make mistakes, fix them, and stay accountable for what comes out of our plant. Those who run big mixing tanks or fine-tuned ink mills recognize this product’s stability, repeatability, and resilience to field challenges—characteristics absent in off-the-shelf options passed through third parties.

    With every batch of Yellow 4R-C, we do not just offer a commodity. Instead, we support color-critical industries with a well-understood manufacturing process shaped directly by real-world use, not just spec sheets. Those looking for a stable, trusted yellow pigment discover that this product’s strengths show up where it matters most—in long-term savings, smoother production, and real accountability from a team that knows their own process from reactor to packing line.

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