|
HS Code |
751938 |
| Chemical Name | Sodium aluminosilicate with sulfur |
| Common Name | Ultramarine Blue |
| Color Index Pigment | PB29 |
| Appearance | Blue powder |
| Shade | Red Shade |
| Concentration | High Concentration |
| Cas Number | 57455-37-5 |
| Particle Size | Typically 1-5 microns |
| Oil Absorption | 35-45 g/100g |
| Lightfastness | Excellent |
| Solubility | Insoluble in water |
| Heat Stability | Stable up to 350°C |
| Density | 2.35 g/cm³ |
As an accredited Red Shade High Concentration Ultramarine Pigment Blue 29 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging is a sealed 25 kg kraft paper bag, labeled “Red Shade High Concentration Ultramarine Pigment Blue 29” with batch details. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL): 10 metric tons packed in 25 kg bags, stacked on pallets, for Red Shade High Concentration Ultramarine Pigment Blue 29. |
| Shipping | The chemical "Red Shade High Concentration Ultramarine Pigment Blue 29" is typically shipped securely in tightly sealed, high-density polyethylene drums or bags to prevent contamination or moisture ingress. Shipments require appropriate hazard labeling, as per local and international transport regulations, and careful handling to avoid dust release and ensure both product integrity and safety. |
| Storage | Store **Red Shade High Concentration Ultramarine Pigment Blue 29** in a cool, dry, and well-ventilated area, away from direct sunlight and incompatible substances such as strong acids. Keep the container tightly closed and properly labeled. Avoid generating dust; use appropriate personal protective equipment during handling. Ensure storage is away from sources of ignition or foodstuffs, and follow local regulations for chemical storage. |
| Shelf Life | Red Shade High Concentration Ultramarine Pigment Blue 29 has a shelf life of 36 months when stored in cool, dry conditions. |
Competitive Red Shade High Concentration Ultramarine Pigment Blue 29 prices that fit your budget—flexible terms and customized quotes for every order.
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Looking at pigment technology today, the steady advance in demand for both intensity and purity has given rise to a new generation of colorants. Red Shade High Concentration Ultramarine Pigment Blue 29 reflects a long evolution of synthetic pigment manufacturing, backed by decades spent in the factory where minerals, process control, and chemistry meet head-on. Developed to address technical challenges for precise hue, stability, and load, this pigment has moved past conventional blue tones into a deeper, warmer spectrum that’s unmistakable in applications ranging from plastics to paints and masterbatches.
In our plant, production of Blue 29 starts with kaolin, sodium carbonate, sulfur, and a carefully calibrated temperature profile. Each batch gets monitored—modest, steady adjustments never show up in marketing brochures, but they protect the end user from off-shade surprises. Firing at over 800°C, we transform the mineral blend into a stable, crystalline sodium aluminosilicate. The result isn’t just blue. The clean red undertone brings a unique brightness, making it the high-concentration choice for formulators who want color that stays true under light and processing conditions.
Over years of tuning furnace cycles and mixing protocols, our Blue 29 variant—known by many as “Red Shade High Concentration”—meets the strict performance guidelines needed for tough markets. Typical particle size distribution falls comfortably between 0.8 and 2 microns in our refined grades, but the batch-to-batch focus is always on reliable dispersibility. No one asks for “good enough,” so our QC labs push for true deltaE values far below one—most customers say anything more and the eye catches drift.
Pigment concentration impacts performance, not simply economics. Higher active pigment content translates to stronger tinting strength, reduced letdown costs, and lower migration potential in final goods. Pigment Blue 29 stands apart here: even under heavy dilution or thermal exposure, its structure resists breakdown that plagues organic blues, while temperature resistance pokes past the 350°C mark in polyolefin and engineering plastic lines. No odor, non-migratory behavior, and full compliance with global toys and food contact guidelines cement its position. Each point reflects years on the ground dealing with both regulatory audits and real-world manufacturing defects.
Paint specialists, plastics engineers, and masterbatch formulators all face the same relentless pressure—customers want richer color, but faults like speckling, fading, and unwanted undertones drive complaints and extra costs. Over countless kilos and technical reviews, we learned that not all blues solve these issues. Ordinary blue variants often veer greenish, washing out blends or fighting with natural polymers. That’s the opening for Red Shade Blue 29: Its unique crystal morphology gives a purer, warmer presence that breaks the compromise between depth and vibrancy.
Batch mixing studies and production runs tell the story better than any datasheet. In plastics, specifically polyolefins and PVC, formulations using Blue 29 show less color drift during high-shear extrusion or injection cycles. Polymer migration—where lower-quality blue migrates to the surface or interacts with plasticizers—rarely shows up in final goods with this pigment. In paints, the stability against alkaline media or UV means fewer callbacks and longer outdoor lifetimes. Artists’ supplies and children’s toys, which need both color punch and safety, find Blue 29 indispensable for delivering red-leaning blue tints without any of the heavy metal baggage.
Many ask: why go through all the trouble for a red shade ultramarine? Our answer comes from manufacturing headaches traced back to cheap substitutes. Organic blue pigments (like phthalocyanine blue) offer strong tinting, but they degrade under heat, fail weathering, or show off-smells—our lab ovens catch it quickly. Cerulean, cobalt, and other inorganics handle heat but bring higher price tags and, in the case of cobalt, environmental concerns. Standard ultramarine blue, minus the red undertone, struggles to mask yellowing in recycled or off-tone resins. The red shade variant provides a golden spot: easy processing, a clean spectrum for mixing, and no hidden downside in harsh chemical or weather settings.
We’ve seen compounders try to mask yellowish feeds, blend with duller fillers, and keep economic pressure at bay with higher-loaded blues. The red shade, by holding chromatic strength even in low concentrations, means less pigment per part produced, lower compounding time, and fewer pigment-related customer returns. That’s not theoretical—it’s come up repeatedly in both customer technical support calls and plant troubleshooting.
One common challenge hits in textile printing and laundry detergent coloration. Standard ultramarines lack potency for brighter washes or pastel hues, so end products can look tired fast after repeated use. Blue 29, with enhanced concentration and that signature red undertone, keeps optical brightness in white textiles and masks fabric yellowing even in industrial settings where water hardness and pH run high.
Manufacturing pigments at scale stretches far past lab syntheses. Every ton of ultramarine blue brings logistical and workplace realities. We oversaw dust abatement upgrades before it became a standard demand—high pigment concentration means less powder in the air during dosing, less exposure risk for operators, and a consistent workflow in automated compounding. Our cleanroom-packaged lines help color houses and resin converters move from open bag dosing into low-dust, precision feeding.
Safety concerns drive a constant review of raw materials and process adjustments. Sulfur-based pigments have at times attracted suspicion, but years of industrial hygiene monitoring and third-party audits confirm that modern ultramarine blue, especially in high purity, poses none of the chronic or acute hazards associated with heavy metal colors. From REACH compliance in Europe to toys regulations in North America and Asia, Blue 29 routinely passes strict migration and purity tests. Our in-house environmental team manages waste calcine and water treatment, further cutting the environmental burden and preventing trace contamination across all outgoing batches.
End-of-life concerns draw increasing attention. Ultramarine pigments, thanks to their silicate base, remain inert in landfill environments and show no toxic leaching under standardized testing. Our chemistry doesn’t release hazardous byproducts during processing or disposal, giving downstream users confidence across packaging, food, or toy sectors. This reliability, coupled with zero calculated VOC and robustness under both heat and light, translates to real reductions in recalls and regulatory headaches for everyone involved.
Much of the chatter around pigments concerns price points or headline shade values, but real-world problems haunt every link in the manufacturing chain. Particle size shifts, color drift, or variable strength plunge production runs into chaos. Red Shade High Concentration Ultramarine Pigment Blue 29, shaped by thousands of test runs, holds a tight window on shade repeatability—about as consistent as this chemistry allows. Through-line sampling, real-time spectrophotometry, and back-end grind analysis let us spot drift before product leaves the plant floor. When an outlier does arise, root cause usually traces back to raw input fluctuations, not process intent, and gets corrected in the next cycle.
Customers who return with formulation issues sometimes show us failures from other pigment sources: clumping during letdown, streaks in films, or blue halos in low-shade applications. High pigment concentration shrinks the margin for error. Lower-load products can spread inconsistencies thin, but concentrated grades demand a sharp process eye. Our team keeps tight records on furnace times, raw mineral purity, and acid washing cycles to prevent cross-batch surprises. By inviting feedback from paint, ink, and plastic compounders—not just relying on standard tests—we close the loop on actual industry needs. This reduces both scrap rates and the endless color-matching cycles that slow customer launches.
By controlling our own supply chain—from kaolin mining to final pigment blending—we avoid many disruptions felt by pigment importers tied to brokered stocks. Seasonality or shifts in mineral grades don’t catch us off guard. We pre-screen incoming sand, clay, and soda ash at the source, benchmarking against historic pigment yields. Furnace design tweaks and process upgrades, based on lessons from both success and failure, bring higher repeatability in production. This control means we keep customer supply secure and maintain promised quality across global shipments.
Manufacturers working with the pigment directly get more than shade matching. Real support sometimes means on-the-fly technical fixes—troubleshooting compounding, paint dispersion viscosity, or even managing inventory for customers taking new products to market. Every container of Red Shade High Concentration Blue 29 carries the story of careful, real-world testing, judged not just on paper specs but across entire production runs in customer plants.
Not every issue around pigment production finds easy resolution. Sometimes, a customer’s unique process triggers out-of-spec color, speckling, or bleeding that standard approaches won’t solve. Over decades, we’ve refined hands-on troubleshooting: on-site technical support, real-time shade monitoring, and custom batch modification. Process improvements—like finer particle milling, optimized wet processing, and full spectrophotometer tracking—came out of these joint efforts.
Efforts to push concentration higher without sacrificing dispersibility took years. Early attempts at tighter sizing led to dusting and agglomeration, so we shelved automated blending and returned to hands-on mortar grinding and post-firing sieving. Our process engineers ran scores of furnace cycles and blending trials to find the sweet spot: fine enough for deep color, but coarse enough to avoid airborne microdust. In this way, practical adjustments—not just lab results—drive improvements that customers notice in less downtime and fewer in-process rejections.
Pressure to move away from heavy-metal and organic pigment lines grows every year. Regulatory bodies tighten standards, and consumer brands face real scrutiny over the safety and sustainability of their colorants. Ultramarine Blue 29, in a red shade, steps in where both high performance and safer pigment chemistry intersect. No lead, no cobalt, no hazardous solvents or monomers—just durable, colorfast silicate minerals shaped at high temperature. Our upstream sourcing and closed-loop water systems, together with energy optimization in furnace operation, reflect a commitment to sustainable color production.
This sustainability isn’t just abstract talk. By pushing pigment efficiency higher, our clients use fewer tons per year, shipping less waste and reducing energy costs. End products need less rework for color issues, saving both money and resources. Over the past five years, we’ve seen a noticeable reduction in return rates and complaints about shade drift, tieing directly to reduced pigment-related recalls.
Manufacturing pigments has always meant balancing chemistry, supply, and real-world application. Each improvement in Red Shade High Concentration Ultramarine Pigment Blue 29 comes from both feedback and our own line experience—not one or the other. As color trends change and industries swap legacy pigments for safer and higher-performance options, our focus stays on delivering both stability and color brilliance. Regular review of raw input sources, ongoing investment in process technology, and frank dialogue with manufacturing partners keep us at the leading edge of ultramarine pigment.
Ultimately, great pigments only matter when the product performs not just in the bucket, but through every step of the customer’s journey—from production, through end use, and to end-of-life. Red shade ultramarine has earned its place in that journey, and as manufacturers, we stand behind its advantages because we’ve watched it deliver where others fall short—batch after batch, run after run, across fields from packaging to consumer goods. If you seek stronger, more reliable blue color within constrained safety and environmental limits, this pigment stands tested every time.