| HS Code | 944310 |
| Name | Ultramarine Blue |
| Chemical Formula | Na8-10Al6Si6O24S2-4 |
| Color Index | PB29 |
| Appearance | Deep blue powder |
| Lightfastness | Excellent |
| Opacity | Semi-transparent |
| Origin | Synthetic inorganic pigment |
| Relative Density | 2.3–2.4 g/cm³ |
| Melting Point | Unstable at high temperatures |
| Solubility In Water | Insoluble |
| Refractive Index | 1.5 |
| Ph | Around 8 |
| Toxicity | Non-toxic |
| Primary Uses | Art paints, plastics, cosmetics, inks |
| Odor | Odorless |
As an accredited Ultramarine Blue factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Ultramarine Blue is packed in a sturdy 25 kg laminated kraft bag, labeled with product name, batch number, and hazard symbols. |
| Shipping | Ultramarine Blue is shipped in secure, moisture-proof containers to prevent contamination and degradation. Packages comply with international transport regulations, labeled appropriately with chemical identification. Handling instructions and safety data are provided. Suitable for air, sea, or road transport, containers should be kept sealed and stored in a cool, dry location during transit. |
| Storage | Ultramarine Blue pigment should be stored in a tightly sealed container, away from direct sunlight and moisture. Keep it in a cool, dry, and well-ventilated area, away from acids and strong oxidizers to prevent unwanted chemical reactions. Clearly label the container, and ensure it is kept out of reach of children and unauthorized personnel. Handle with care to avoid dust generation. |
Competitive Ultramarine Blue 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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Ultramarine Blue brings its own personality to the world of pigments. Over decades at our production site, we’ve watched it become the backbone for colorists working in plastics, paints, inks, detergents, and even industrial coatings. Our technical teams know this pigment isn’t just a pretty shade; its performance and adaptability stem from rigorous processing, careful raw material selection, and an understanding of the quirks that make it right for very different applications.
Here, we talk about Ultramarine Blue in its typical industrial model. We make it using a kiln-based process that fuses silica, alumina, sodium carbonate, and sulfur—the color itself forms as complex sodium aluminosilicate. Years of experience tell us: consistency in particle size and chemical purity separates reliable production from guesswork. The result delivers vivid color, high tinting strength, and a neutral blue undertone. We can fine-tune grades, from pigment types suited for masterbatches and thermoplastics to those preferred for water-based paints or soap formulation.
Ultramarine Blue stands out for more than just its unmistakable shade. Unlike organic pigments, which may struggle with heat or alkalinity, our blue handles harsh processing environments—molding, extrusion, high-shear mixing—without bleaching out or giving off strong odors. Its high resistance to light and alkali makes it an obvious choice when the project expects years of durability or contact with basic materials. Our experience in manufacturing means every batch runs stable and stays easy to work with, regardless of usage scale.
In plastics, Ultramarine Blue gets attention from compounders looking for non-migrating, non-bleeding, and non-toxic colorants. Polyethylene and polypropylene processors routinely come to us to solve color-matching challenges, especially when white or off-white bases need improvement. The pigment does more than just color—our grades are especially valued for correcting yellowish tones in recycled plastics. That ability comes from careful control over tint strength and hue, developed through back-and-forth with real-world converters. Customers in injection molding and extrusion describe fewer color shifts during runs, fewer surprises on line, and more predictable dosing.
Paint and coatings use cases put Ultramarine Blue in a different light. Decorative paint chemists and formulators for construction coatings reach for it due to its compatibility across water- and oil-based systems. The stability across a broad pH range allows consistent color in mortars and limewash, with little fade even when exposed to harsh weather or sunlight. It also meets food-contact and environment safety regulations for interior paints, something iron blues or carbon-based pigments can seldom match due to toxicity or migration risks. Technical consultants working with us see lower raw material wastage, fewer recalls for color inconsistency, and more straightforward QC checks.
Ink manufacturers know that printing on packaging or paperboard asks a lot from any pigment. We design fine-ground Ultramarine Blue grades that optimize flow, reduce settling in storage, and maintain print definition even in rapid, high-volume setups. These pigment types keep their chroma without needing surfactant boosters, which means lower formulation costs and safer handling—key for producers who manufacture both food and non-food packaging.
Detergents and household cleaners remain a traditional home for this pigment. Process engineers in soap plants look for high-purity Ultramarine Blues to both impart color and counteract yellowing in finished bars. Phosphate-free formulations, higher-wash processes, and ambient reactive chemistries all test the pigment’s chemical resilience. Our material handles the alkaline, bleach-rich environment of detergent manufacture and does not lose its color or cause undesirable odor. Customers routinely report brighter, more uniform laundry blocks, and a lower risk of unwanted chemical interactions in liquid detergents and gels.
A pigment’s legacy builds on more than color. Our process, refined over many years, gives an edge in purity, low heavy metal content, batch-to-batch match, and compatibility with downstream recipes. Some providers cut corners on kiln times, skimp on purification, or substitute lower-grade silica. We keep a close watch on these steps. Titanium dioxides or iron oxide pigments sometimes offer strong color but can tarnish or react with bases, restrict food-contact safety, or leach in exterior exposure. Ultramarine Blue steps into those gaps, excelling in alkaline resistance, heat stability, and complete absence of toxic byproducts. Cases of failure in the field often trace back to lesser pigments falling short where Ultramarine Blue keeps performing.
Our experience bears out the claim. For long runs in injection molding or plastic sheet manufacture, iron oxide reds or phthalocyanine blues tend to shift under repeated cycles or high heat, leading to product recalls or shade drift. Our pigment keeps a dependable color, and, thanks to tight control on residue and particle shape, works well in high-speed automatic lines. Painters working on murals or restoration turn to our Ultramarine, knowing its heritage in both art and architecture. Even after exposure cycles that leave organic blues faded or yellowed, Ultramarine stands up—making it the pigment of record for outdoor finishes, historic touches, and demanding end-uses.
On the safety side, conformance to REACH, EN71, and other safety standards is routine. Over the years, regulatory inspectors have examined our processes, and global brand owners have tested our pigment for migration, extractable metals, and function in baby products and food-contact plastics. With ultralow levels of lead, arsenic, and other banned heavy metals, users depend on our pigment where human contact and safety matter.
Our technical teams regularly help customers troubleshoot common headaches. For example: color drift in recycled PP, yellow cast in PVC after weathering, or powder caking during storage. We test and adjust properties such as oil absorption, residue, and mean particle diameter. Direct access to our production and analytics teams shortens feedback loops—you get answers grounded in actual plant experience, not guesswork or generic advice. Unlike many traders, we never treat Ultramarine Blue as a commodity; the work in tuning brightness, shade, and densification proves its value with every successful batch in use.
Whether making a grade for plastics, paints, or soaps, the physical parameters that really matter do not come straight from textbooks. Customers tend to focus on tone, brightness, and dispersibility, but these build on underlying mineralogy and consistency in production. We invest in in-line particle size analysis, bench-top test runs, and extensive heat-age testing. With each lot, you get pigment that disperses cleanly, resists caking, and keeps its intended shade through heat, light, and strong base. OEMs appreciate batch numbers that tell a story—traceability back to daily blends and kiln settings.
Certain applications ask for specific tweaks. Soap-makers demand minimal residue and low sulfur odor. Long-cycle composite extrusions require tightly controlled oil absorption and narrow particle diameter range. For designers of children’s toys or cosmetics, we deliver extra safeguards around heavy metal traces and leachable organics. Our plant retools parameters in real time, adapting to customer needs and emerging regulations. Older pigment lines lacked this flexibility, relying on fixed blends or long production runs that made adaptation slow or impossible.
We know production does not stop at the pigment. Downstream, dispersibility makes the difference between smooth flow in automated lines and random blockages or defective output. With Ultramarine Blue, our quality checks ensure minimal agglomeration, so end users spend less time filtering or recalibrating equipment. In our own plant, failures spurred upgrades to our milling and air classification systems. Those lessons carry through to our customers—less downtime, less cleaning, and more predictable operations.
Shelf life and storage also matter. We support customers with guidance won from our own loading docks: dry storage, low humidity, and ventilation to curb caking. Decades of feedback taught us pigment’s packaging and palletization influence how it reaches the production floor. Our sacks use multilayer film and high-strength paper, tailored for climates from humid ports to desert warehouses. Users see fewer storage losses and safer, more streamlined inventory handling.
Sustained demand for plastics and decorative products puts pressure on pigment quality. Sustainability and recyclability now shape purchasing patterns. Brands want plastics safe for repeated recycling, free from toxins, and compliant with future waste directives. Our Ultramarine Blue, by virtue of mineral composition and inertness, fits neatly into cradle-to-cradle cycles—no persistent organic pollutants, no toxic warping at end of life. We support customer requests for environmental declarations and provide full manufacturing traceability on request, minimizing regulatory risks for buyers.
Formulation science keeps moving, too. With the shift toward high-solids and low-VOC coating systems, paint manufacturers need pigments that wet and disperse efficiently, even with lower solvent content. Our blue’s mineral makeup resists “rub-out” and streaking in these formulations, saving our partners both raw materials and rework costs. With new anti-microbial and self-cleaning coatings entering the market, we monitor for potential interactions between our pigment and emerging binder systems, keeping formulation teams ahead of the curve.
Developments in additive manufacturing and 3D printing push us to innovate on pigment size and shape, ensuring the color remains sharp even under micro-extrusion and layering conditions. As demand grows for more adventurous shades and new surface effects, we find ways to adjust the blue’s undertone, intensity, and texture—with feedback not only from bulk users but from artists, color labs, and product designers who see the pigment come alive in forms we never considered years ago.
Cost pressures do not ease up. Every season, customers ask about price stability and dependable shipments. We’ve invested in local sourcing for silica and soda, and maintain multiple grades to help balance cost with performance. By collaborating closely with upstream suppliers and reviewing logistics, we reduce the risk of shortages and keep customers insulated from global commodity swings. Bulk buyers count on scheduled production windows and flexible packaging, while smaller buyers appreciate our sample programs and technical support. The end result is a supply chain that runs smoother, because we treat customers like partners in quality, not just order numbers.
Every step in using Ultramarine Blue benefits from practical advice, drawn from our years in manufacturing and support. Start with dosing: small batch tests often reveal optimal pigment loads, saving raw material costs and cutting down on rework. For high-shear mixers or extruders, gradually add pigment to prevent dusting and agglomeration. Avoid prolonged exposure to acidic environments, as strong acids can break down the pigment’s crystal lattice—something no manufacturing process can fix post-blend.
In water-based systems, pre-dispersion in a controlled pH buffer ensures the pigment separates cleanly. We’ve learned soap-makers do best by screening for trace soluble sulfur, reducing odor and yellow fade. Modern injection lines benefit from sight glasses and in-line color sensors to adjust pigment flow, especially when switching between recycled and virgin stock. Paint shops using older, paddle-type mixers should allow extra time for wetting out, and watch for foaming when using surfactants—our pigment works with a broad range of systems, but uncontrolled foam can throw off shade predictions.
Storage matters as much as blending. Unused powder should sit in sealed containers, away from moisture and acids. Every year, we visit customer plants to advise on stacking methods, warehouse air flow, and rotating stock. Floor supervisors report savings in both pigment and finished goods wastage. We encourage routine checks on shade values using portable spectrometers, not just visual swatches—our own QA relies on this to pick up subtle drifting, and customers who follow suit see fewer off-spec batches slip through.
End use in regulatory environments calls for documentation. Our supply chain and quality engineers keep safety data, migration test results, and regulatory certifications on file for every production lot. Whenever a customer needs backup for product launches or compliance filings, this data package means fewer delays or regulatory hold-ups. Our team fields technical queries every week, whether for infant product approval in Europe or packaging clearance in Asia—years of experience mean we move beyond theory, talking through real-world cases and practical fixes.
Newcomers sometimes think colorants differ little from supplier to supplier. Our work over decades proves otherwise. Failures often come down to small details: an over-roasted batch runs too red and dusty, a poorly purified run fails in white soap, quick-fired raw materials leave lumps that clog paint filters. As a manufacturer, we run every blend through pilot and production kilns, measure dusting, test for lightfastness, and simulate harsh field conditions. Customers appreciate this difference not only in outcomes, but in day-to-day support—troubleshooting comes fast, guidance is pragmatic, and users see fewer production headaches.
Our people, from mineral buyers to kiln operators, treat Ultramarine Blue as more than a chemical blend. Success rides on obsessive quality control, a willingness to adapt to feedback, and genuine pride in making a pigment with a storied tradition and growing relevance in new industries. From building blocks to artistic masterpieces, from household labels to safety-critical uses, every batch reaches the customer with a focus on reliability and honest value.
Good pigment does not just color a product, it saves brands from recalls, helps designers push new ideas, and lets customers keep faith in what arrives at their doors. Our Ultramarine Blue, shaped by decades of manufacturing experience, stands the test of both time and industry change. Partners who choose real expertise over generic supply see the benefit where it counts: in every finished product, every successful launch, and every satisfied end user.