|
HS Code |
265306 |
| Product Name | Dark Blue 3R |
| Chemical Class | Anthraquinone dye |
| Appearance | Dark blue powder |
| Solubility | Soluble in water |
| Molecular Formula | C34H24N6Na4O14S4 |
| Color Index Number | CI 60700 |
| Use | Textile dyeing |
| Light Fastness | Good |
| Ph Stability | Stable in acidic and neutral media |
| Application Method | Exhaust and continuous dyeing |
| Storage Conditions | Keep in cool, dry place |
| Toxicity | Low |
As an accredited Dark Blue 3R factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging for Dark Blue 3R comes in a 25 kg woven plastic bag, labeled with product name, hazard symbols, and batch details. |
| Shipping | Dark Blue 3R is shipped in tightly sealed containers, protected from moisture, direct sunlight, and incompatible substances. Packaging complies with safety regulations for hazardous chemicals. Ensure clear labeling and use proper handling equipment. During transport, maintain stability and prevent container damage. Follow all applicable local and international shipping guidelines. |
| Storage | Dark Blue 3R should be stored in a tightly closed container, away from light, heat, and moisture. Keep it in a cool, dry, well-ventilated area, isolated from incompatible substances such as oxidizing agents. Label the storage area clearly and follow all safety protocols to avoid accidental spills or contamination. Store at room temperature and prevent exposure to strong acids or bases. |
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Purity 98%: Dark Blue 3R with a purity of 98% is used in textile dyeing processes, where it ensures consistent and uniform shade development. Molecular Weight 615 g/mol: Dark Blue 3R with a molecular weight of 615 g/mol is used in paper coating formulations, where it provides intense color saturation and good dispersion stability. Melting Point 182°C: Dark Blue 3R with a melting point of 182°C is used in thermoplastic coloring applications, where it offers high thermal resistance and prevents color degradation. Particle Size 20 µm: Dark Blue 3R with particle size of 20 µm is used in inkjet printing inks, where it enables smooth dispersion and prevents clogging of printer nozzles. Stability Temperature 120°C: Dark Blue 3R with a stability temperature of 120°C is used in high-speed printing processes, where it maintains chromatic integrity under elevated operational temperatures. Viscosity Grade Low: Dark Blue 3R with a low viscosity grade is used in leather finishing, where it ensures easy penetration and fast color development on leather substrates. Solubility in Water 30 g/L: Dark Blue 3R with a solubility of 30 g/L in water is used in aqueous paint systems, where it achieves homogeneous color distribution and minimizes sedimentation. Lightfastness Grade 6: Dark Blue 3R with a lightfastness grade of 6 is used in outdoor signage paints, where it delivers superior resistance to fading under sunlight exposure. pH Stability Range 4–8: Dark Blue 3R with a pH stability range of 4–8 is used in detergent coloring, where it maintains color brilliance across varying formulation pH levels. Residual Moisture <1%: Dark Blue 3R with residual moisture less than 1% is used in dry pigment blends, where it preserves free-flowing powder consistency and reduces risk of clumping. |
Competitive Dark Blue 3R 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.
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Tel: +8615365186327
Email: admin@ascent-chem.com
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Dark Blue 3R has been a staple among our family of synthetic dyes for several years. Our experience with this product stretches across textile, paper, and leather industries. The formula we produce under the Dark Blue 3R name features a balance of strength, shade consistency, and reliable solubility—qualities that only consistent manufacturing can deliver batch after batch. Over time, direct engagement with dyeing facilities, feedback from operators, and ongoing lab refinements have carved the unique position of Dark Blue 3R in industrial colorants.
Each batch of Dark Blue 3R, identified under our in-house model reference, delivers a deep, rich blue with a clear reddish undertone. We pay attention to granular uniformity to ensure the product pours freely and disperses smoothly. Typical moisture content runs low, with controlled salt percentages to guard against unpredictable results on the production line. Our quality lab checks every lot for color value—known as tinctorial strength—by repeatedly running both spectrophotometric tests and sample dyeings. Particle fineness matters to printers and finishers, so the grind parameters stay within the standard ranges called for by mill technicians.
We handle Dark Blue 3R in both powder and granule forms, adapting the product shape to customer preferences or process suitability. Powder helps in ultrafine blending applications, especially in digital or compact dye baths, while granules suppress dust for safe handling in large-scale environments. Container packaging uses high-density bags, sealed drum liners, or moisture-protected cartons. None of these aspects is accidental; years of adjusting little production steps have allowed us to address both regulatory and operational requirements in what leaves our warehouse.
A manufacturer’s biggest concern remains reproducibility. Textile dyers want to see the same intense shade in every fabric roll, whether the run is 100kg or 10,000kg. Our active quality checks go straight to this point. Shade strength is measured by comparing absorption curves, but the real-world test is in the finishing house and knit mill. After thousands of hours assisting finishing technicians, we know that differences in water quality, process temperature, and fiber blends can derail color targets. For this reason, our process aims to minimize contaminant metals and extraneous ions, which could disrupt dyeing machinery or chemistry.
Paper industry colorists demand a dye that resists bleed when in contact with moisture or solvents. Our approach controls impurities that might migrate in finished sheets. With leather, penetration and leveling matter, so our mill configuration maintains tight limits on insolubles. Customers report that Dark Blue 3R, when compared to older blue dyes, lays down a deeper hue with sharper edges under most drum and pit tanning methods. Field data mirrors our in-lab findings—less staining transfer and more precise shade control.
Years in chemical process design have taught us that genuine product strength comes not just from raw material purity but also from strict upkeep of reaction parameters. Sourcing our starting chemicals from vetted partners ensures base-line consistency before our process even begins. We track everything—from temperature ramping in the synthesis reactors to pH stabilization pre-filtration. This isn’t just paperwork; holding those lines in the plant keeps the blue shade locked into the molecular structure, preventing off-tones down the chain.
After synthesis, filtration and washing cycles strip away reaction residues. We dedicate extra time to washing: half-measures here often sneak through salts and byproducts that creep into final performance. Drying conditions get adjusted depending on ambient humidity and batch yield—a process decision that impacts flow characteristics and blending reliability. Only by overseeing every link, from incoming acid intermediates all the way to automated bagging lines, have we been able to deliver a Dark Blue 3R product with minimal lot-to-lot deviation. Finishers call this “peace of mind chemical supply”—a reputation we maintain by not taking shortcuts.
Comparing Dark Blue 3R with other commercial blue dyes highlights several sharp distinctions. Some traditional blue dyes yield a cooler, slightly greenish shade. Dark Blue 3R, by contrast, offers a visible red cast under most white light conditions, which helps designers fine-tune shade recipes for richer blacks and navy blends. Many mass-market blue dyes exhibit variable coloring power, forcing end users to recalibrate batch recipes with every new container. Our production insistence on tight spectral values from lot to lot keeps the labor of shade correction off the customer’s plate.
Other dyes rely heavily on sodium chloride as a diluent. We hear frequent stories from print rooms about caking and slow dissolution caused by high salt loads. With Dark Blue 3R, our formulation limits free-flowing agents to the minimum needed for pourability, reducing downtime caused by clogged hoppers and feed lines. Some alternative dyes fall short on lightfastness, especially in outdoor fabric and banner applications. Accelerated weather tests, overseen by our in-house team, place Dark Blue 3R in the upper ranks for fade resistance.
Customer dyehouses, especially those issuing certification or matching brand color standards, often choose Dark Blue 3R for its predictable tint build-up with incremental additions in blend trials. Thanks to the consistent grind and controlled moisture, dye pulping on open kettles and fast-paced jet dyeing lines both produce repeatable outcomes. Over the years, we’ve seen niche applications grow—from specialty wallpaper backing to industrial workwear—driven by designers looking for performance with minimal technical headaches.
Dark Blue 3R’s adaptability starts in the application lab. We provide reference dye curves but always encourage mill technologists to set their own conditions due to variation in water, machinery, and auxiliaries. In continuous dyeing, the product’s quick wet-out and stable solubility help minimize stoppage for cleaning or shade drift fixes. Rotary print pastes benefit from the smooth particle profile—fewer streaks and nozzle blockages, as confirmed by print mill supervisors who send regular field reports.
In piece dyeing, thorough mixing before addition to the dye bath brings out quick, uniform color pick-up. Leather tanners working with full-grain and split hides have reported that our Dark Blue 3R penetrates fibers cleanly, pointing to its refined insoluble content. The pre-dispersal steps in paper pulp or wet-end colorants use either direct slurry or pre-blended paste forms; lab data from pulp mills shows low migration on finished goods, a concern that otherwise leads to re-work or rejects.
We learned the hard way through hundreds of technical service calls that local processing conditions—whether in the sub-tropics or high-humidity regions—impact final results. Our distributor partners in diverse climates feed us real-world performance feedback: the running theme is less need for process adjustment mid-production when using Dark Blue 3R. This comes back to the time spent drawing up our manufacturing protocols and the checks we use before each shipment leaves for customer sites.
As dye manufacturers, we face continual shifts in environmental compliance and customer demands for safer chemicals. Our plant maintains a strict approach to effluent waste streams, capturing and recycling process water wherever possible. Sulfonated intermediates in Dark Blue 3R’s synthesis have low bioaccumulation, landing it within accepted safety profiles for major textile and paper standards. Certificates, including those for hazardous substance content, come from external testing—our way of verifying claims beyond our own lab.
Over the last decade’s drive towards higher environmental standards, we have adapted Dark Blue 3R’s process to reduce trace heavy metals and eliminate restricted aromatic amines. Years of practical audits by our operations staff, not just desk reviews, keeps our chemical profile tightly controlled. Most regulatory frameworks assess both product safety and downstream performance. By holding the line on contaminant controls during manufacturing rather than at the warehouse door, we help customers pass their own audits without fear of last-minute compliance failures.
Customers who export finished goods—especially under European or American regulations—ask for more than just a technical data sheet. We share routine product updates, including logged changes and feedback from quarterly reviews, so integrators in complex supply chains catch any difference before it impacts production. Our upstream raw chemical screening and batch segregation protocols help prevent cross-contamination with restricted substances, supporting safer downstream use.
If you spend as many years in the dye business as we have, you begin to spot potential problems before they turn into stoppages or rework. Direct calls from dyehouse managers help us understand the subtle process quirks—some dye lines run hotter, some process harder water, and some custom-line shades seem to resist easy matching. Our team’s collective experience helps guide use through set-up, trial, and scale-up. For instance, we learned to recommend staged addition in extra-hard water zones to sidestep unexpected precipitate issues.
We don’t simply deliver a chemical and walk away. Standing behind the product, we troubleshoot slow buildup or fast-wash off with on-site shadowing or remote technical support. Several customers have used our advice to recalibrate their liquor-to-goods ratio or tweak auxiliary dosing, achieving lower re-dye rates. Regional differences in application, like machines that process thick wool versus light cellulose blends, can cause initial results to deviate from lab projections. Our technical team has seen these scenarios play out again and again, which is why we take reporting and field evaluations so seriously.
A consistent theme in customer feedback is the product’s forgiving nature during minor mishandling or process deviations: plant operators account for reduced off-spec fabric and smoother print runs. Because our staff see the dye in use, not just in test tubes, the improvements we make get checked against the rough-and-tumble of actual factories. We build refinements into the next cycle, not waiting for a major failure to set new protocols. This approach continues strengthening trust in the Dark Blue 3R brand.
Markets and technology never stand still. We regularly gather sample returns and run comparative testing when customers report variations in shade richness or process response. Continuous investments in reactor control and automated filtration keep manufacturing robust. Every year, we analyze technical complaints and improvement requests, reviewing them with our quality and R&D staff. These debriefings produce real changes—such as raising color strength specs or lowering residual salt thresholds—even if it means more manufacturing complexity.
We see new end-user sectors emerging: advanced printing, home décor, specialty paper, and even unique industrial coatings. Working with customers from different geographies opened our process to tweaking for wider water condition tolerances and offering more flexibility in packaging. We learned that packing in vapor-barrier lined bags, for instance, helps overseas users in humid regions avoid clumping, eliminating downtime on unpacking and mixing. Direct field visits to high-volume customers reshaped our drum handling protocols and labeling to fit their systems.
We built our Dark Blue 3R dye from experience—starting in small batch runs, then scaling up after countless refinements. The product’s standing comes from rigor in every process detail: sourcing, synthesis, cleanup, drying, and packaging all receive scrutiny to fit the realities of bulk textile, leather, and paper production. Customers choosing Dark Blue 3R come back year after year for its consistent performance, trusted technical support, and continual adaptation to tough regulatory and application needs. Every shipment represents more than a formula; it represents decades of chemical industry know-how, on-the-ground fixes, and a belief that better dyeing makes for stronger businesses downstream. Our commitment stands—every lot, every customer, every fabric roll colored by our Dark Blue 3R bears the mark of a manufacturer deeply invested in lasting results.