|
HS Code |
542652 |
| Productname | Naphthol Red RA 1087 |
| Colorindexname | Pigment Red 57:1 |
| Casnumber | 5281-04-9 |
| Chemicalclass | Azo |
| Appearance | Red powder |
| Molecularformula | C18H12N2O6Ca |
| Density | 1.6 g/cm3 |
| Oilabsorption | 45-55 g/100g |
| Lightfastness | 4-5 (Blue Wool Scale) |
| Heatstability | 180°C |
As an accredited Naphthol Red RA 1087 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging for Naphthol Red RA 1087 contains 25 kg of bright red powder, sealed in a robust, labeled fiber drum. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL) for Naphthol Red RA 1087: 10 metric tons packed in 25 kg bags, 400 bags per container. |
| Shipping | Naphthol Red RA 1087 should be shipped in tightly sealed, labeled containers to prevent leaks and contamination. Transport it according to local and international regulations for chemicals, ensuring protection from moisture, heat, and direct sunlight. Use appropriate hazard labeling and safety documentation, and keep away from incompatible substances during transit. |
| Storage | Naphthol Red RA 1087 should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area, away from direct sunlight and sources of ignition. Keep it away from incompatible materials such as strong oxidizing agents and acids. Store at room temperature and avoid moisture to maintain its stability and prevent degradation. Always follow safety guidelines and local regulations. |
| Shelf Life | Naphthol Red RA 1087 has a shelf life of 24 months when stored in a cool, dry place in tightly sealed containers. |
Competitive Naphthol Red RA 1087 prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615371019725 or mail to sales7@boxa-chem.com.
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Tel: +8615371019725
Email: sales7@boxa-chem.com
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In our daily work at the factory floor, every batch of color and every subtle tweak to a pigment formula leaves a measurable trace. Naphthol Red RA 1087 stands out in the range of red pigments we’ve worked with, and for us, quality starts the moment raw materials are checked and mixed. Not all reds reach the bar set by industries demanding sharp, weather-resistant shades—this is where our experience tells a deeper story.
Through years of refining production processes, our technicians made careful choices about which intermediates yield the cleanest, most stable reds. RA 1087’s color strength comes from a precise balance in the coupling stage, where the right ratio leads to deeper shades and reliable coloring power. We shy away from short-term fixes or heavy filler loading; those tricks may stretch inventory, but the color’s integrity suffers quickly on the job site. Our lab data supports that RA 1087 keeps its tone longer under UV exposure, with less fading seen even in accelerated weathering trials.
While many pigment grades share chemical families, subtle structural differences translate into big changes downstream. Take RA 1087—its crystalline form influences both dispersability and shade. We’ve monitored it in solvent-borne and water-based paint applications and found that it mills fast and gives off strong, mid- to bluish-red shades, avoiding muddiness in blends that designers often fight against. The trick is in achieving a crystal habit that doesn’t exaggerate particle size, because coarse pigments leave gritty finishes and can clog spray equipment. Every lot we release must fall within narrow fineness and oil absorption values because we’ve seen how much pain a batch out of spec causes for customers. No one wants blocked nozzles or a shade that isn’t quite right on a finished product.
We ship most RA 1087 for coating and ink production, where end-users expect not just bright reds but also reds that handle weather and chemical exposure. In our feedback loop with manufacturers, several paint lines switched overeagerly to high-chroma reds in the past, just to get callbacks on chalking and bleed. RA 1087 doesn’t chase fashion over function; it’s built for architectural paints and industrial finishes where lasting color is a non-negotiable spec. On the printing side, ink producers like the way RA 1087 holds up in offset and flexo processes. Drying fast without crusting, it fits high-speed lines where delayed re-solubilization leads to smears and downtime.
Working with this pigment daily, our technical team engineered RA 1087 to handle common headaches like moisture sensitivity and poor letdown in resin systems. High purity checks catch off-notes in shade and inconsistent flow, using methods drawn from day-to-day production, not just theoretical spec sheets.
Brightness, hue, and covering power all depend on how well a pigment disperses. In lab grind-outs and batch tank mixes, RA 1087 consistently meets dispersion time requirements with both high-shear and low-shear setups. That means less downtime stopping to reprocess pigment slurries, which any factory foreman will appreciate. The surface treatment we use, based on tried-and-true silane/oleate blends, keeps the pigment from clumping and gives better wetting in both aqueous and non-aqueous systems. We won’t release a shipment that doesn’t meet tight bounds on moisture and residue, because we know how much a few points off can shift the performance curve in sensitive formulas.
Oversight isn’t just about passing routine quality checks; for us, every shipment reflects our name in the industry. We don’t compete on volume at the expense of reliability or traceability. RA 1087 batches build on decades of improvements in closed-system synthesis and filtration, cutting down variables that once plagued older pigment producers.
Our R&D team maintains detailed performance histories on every lot we make, down to grind resistance and migration data. These aren’t vanity statistics; they influence how we train new operators and how we troubleshoot complaints. Lighter reds with a yellowish cast may look good in lab light but turn washed-out in exterior plastics. We stopped chasing maximum chroma years ago and instead dialed in on a shade angle proven to last on construction materials, playground equipment, and commercial traffic paints.
Raw pigment suppliers often try to draw lines between reds by touting higher API, but in our experience, not all differences move the needle for converters or end-users. RA 1087 lands in a critical sweet spot—its molecular arrangement provides strong resistance to heat and light. Many standard Naphthol reds fail when used in open-air building finishes and heavy-duty coatings; their color drops out after cycles of sunlight and dew. We’ve run side-by-side tests with similar grades like Pigment Red 9, 53:1, and 170, and RA 1087 keeps its tone sharper after 500 hours of xenon arc exposure.
Lot-to-lot stability sets RA 1087 apart for bigger volume users. Competitors may match one shipment to the color card but fail to nail that same shade across a twelve-month cycle. From a pure technical angle, this pigment balances mid-red vibrance with steadiness in thermal curing and UV exposure. For anti-corrosive primers, storability and freedom from surface-bleeding during long outdoor cycles save our partners serious headaches. In our acrylic and alkyd test beds, RA 1087 maintains its gloss and doesn’t show the early dulling (loss of specular reflection) seen in others after salt spray and acid-fog cycles.
Unlike heavily intermediated reds, RA 1087 withstands both alkaline and acidic environments, contributing to vividness whether it’s being mixed in latex, polyol, or nitrocellulose systems. We see fewer complaints about shade drift or plate-out in heat-treated plastics. Customers come to us with precise color targets—corporate branding on commercial equipment, safety markings, or municipal playgrounds—so we tune production with robust process controls filtered through real-world application feedback.
After dealing with batches from suppliers who cut corners, many buyers ask upfront about the yellowing risk and bleed. We drew on years of in-use data showing that RA 1087 holds its red under outdoor stress and doesn’t trend towards pink or brown over months in the open. That’s often the deciding factor for road paint and machinery coatings, where field crews and facility managers bear the brunt if a pigment fails.
Pigment factories have learned the hard way that excessive batch variability comes from treating synthesis and filtration as afterthoughts. We invested in precise temperature and pH control during diazotization and coupling, which in turn reduced the off-shade issues that dominated earlier production decades. By steadily phasing out auxiliary agents that leave behind ionic residues, we kept RA 1087 compliant with demanding heavy-metal and VOC standards. This allowed our pigment to pass EU and North American regulations, opening doors for applications in toys, school supplies, and food packaging materials—real feedback from manufacturers helped us sharpen the profile.
In pigment manufacturing, every shortcut eventually surfaces downstream. By increasing filtration cycles and using nano-fillers only when technical need demands, we keep batch rejections to a minimum. This careful method extends equipment life for converters and keeps pressing lines—especially in the plastic and rubber industries—running without pigment-induced surface flaws.
Manufacturing pigments today means handling tighter legal and environmental benchmarks than ever. Instead of relying on historic methods with open waste streams, we run a closed-loop system for processing and water recapture. This not only cuts footprint but also eliminates pigment cross-contamination, a common culprit in shade inconsistency across big batch runs. We also draw on supplier networks for clean intermediates, rejecting shipments that fall short—even if it means slower turnaround or higher raw material cost.
Solvent and dust emissions come under steady scrutiny. By introducing high-efficiency scrubbers and baghouse filtration, we keep working conditions and neighborhood air cleaner. We moved away from traditional lead salt-based couplers and adjusted color development techniques so pigment residuals meet current health standards. Clients routinely ask for Environmental Product Declarations or full traceability; our system can follow each pigment drum from raw feedstock to out-the-door shipment, backed by a transparent compliance chain.
Manufacturing pigment isn’t just mixing chemicals; it’s an ongoing process of discovery. Each time application partners share feedback—a batch that didn’t mill as expected, or a coating that failed salt fog—we go back to the test bench. RA 1087 benefits from a cyclical improvement process where trial lots get live-practical tests. Our color lab evaluates not only L*a*b* coordinates but also flow, grind, and compatibility curves for real customer systems: alkyd paints, UV-curables, polyester masterbatches, and more.
Our technical service crew builds close ties with both QA teams and plant operators at leading coating and plastic shops. They review failures down to film thickness, binder choice, and even line speed. When an issue emerges—unexpected mottling in a flexo ink, or poor let-down in a latex base—we track adjustments all the way back to crystal structure and dispersing aid levels. Each change is validated in actual application machinery, not just glassware.
Training goes both ways. We organize workshops with partners, showing how RA 1087 grinds, reveals shade, and stabilizes in various carrier resins. Large-scale manufacturers appreciate advance data on storage, residue, and temperature stability, helping them streamline logistics and avoid downtime caused by shade or flow issues.
End-users sometimes fixate on initial procurement cost or the chroma number printed on a binder, but our experience shows that long-term savings come from pigment reliability. RA 1087 rarely leads to reworks, claims, or shade correction runs—a single failed batch on a large-scale line can outstrip any perceived savings from a cheaper, inconsistent product. Our customer retention reflects that most users value batch-after-batch repeatability, more than chasing minor differences in shade saturation.
Within the pigment industry, it’s tempting to cut production time or skip quality stages to offer the lowest price. We’ve taken a different path. Each shipment represents quality our own teams sign off on. Our internal rejection rates are lower than industry averages, in part due to in-line QC and post-filtration colorimetry. Real color stability figures—tested in accelerated exposure cabinets and field installations—mean more to us than just ticking off a set of requirements.
Quality problems often surface only in late downstream processing, when costs and time loss multiply. Our close relationship with end-users gives us insight into evolving market trends—whether shifts toward water-based coatings, increased VOC regulations, or the demand for biobased resins. RA 1087 aligns with these needs not by forced technical sell, but by careful improvement grounded in routine field performance.
Customers increasingly demand a tight wrap on every drum of pigment they buy. We keep full batch control and measurement logs for RA 1087, tracking origin, lot characteristics, and field performance. Our batch sheets don’t just note color coordinates and moisture but provide histories of actual field applications, benchmarked alongside laboratory controls. Every deviation triggers a corrective loop; a batch that draws an unusual complaint never ships again without full root cause analysis.
Shade drift, grit content, and moisture all get tracked on series charts and shared with clients who request transparency. RA 1087’s performance track record comes from this documentation culture—not theory, but repeatable field measurements.
Direct dialogue with formulating chemists, plant managers, and applicators brings issues to the surface fast. If a pigment batch fails to clean up in a latex paint, we don’t shrug off responsibility or blame “user error.” We pull retained samples, run side-by-side grinds, and support users with remote or on-site troubleshooting. Over time, this approach has built loyalty and raised the standard for what pigment users expect from their suppliers.
Our experience shows that a pigment is only as good as the problems it helps solve in the field. RA 1087 has evolved as a direct result of hearing from customers about what doesn’t work with less stable pigment grades. Whether facing color drift in a marine paint or fighting rub-off in packaging applications, our approach stays practical: trace the issue, address it fast, and tweak our plant process to prevent repeats.
Every kilo of pigment that leaves our dock has been checked, not just for spec compliance but for workability in real-world systems. RA 1087 represents years of collective problem-solving—listening, testing, and adjusting until the red shows its promise on every finished product. That commitment transfers directly to how our paint, ink, and plastic partners do business: less downtime, more consistent performance, and colors that last. A red pigment isn’t just a product; it sets the tone for everything built with it. By focusing on what matters—tracking every lot, innovating processes, and trusting end-user input—we keep raising the bar for reliability and quality.