|
HS Code |
269210 |
| Product Name | Direct Copper Blue 2B(R) |
| C I Number | Direct Blue 86 |
| Cas Number | 1330-38-7 |
| Chemical Class | Copper Phthalocyanine Direct Dye |
| Appearance | Blue powder or granules |
| Shade | Bright blue |
| Solubility In Water | Soluble |
| Molecular Formula | C32H16CuN8Na2O8S2 |
| Molecular Weight | 837.2 g/mol |
| Main Usage | Textile dyeing (cellulosic fibers) |
| Light Fastness | Good |
| Ph Stability Range | 4 to 8 |
| Application Method | Exhaust and padding processes |
| Storage Conditions | Keep in tightly closed container in a cool, dry place |
| Synonyms | Direct Blue 2B, Direct Copper Blue 2B, CI 24140 |
As an accredited Direct Copper Blue 2B(R) factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging for Direct Copper Blue 2B(R) features a 25 kg blue fiber drum with secure lid, labeled with chemical details. |
| Shipping | Direct Copper Blue 2B(R) is shipped in tightly sealed, moisture-proof containers to prevent contamination and degradation. Ensure proper labeling, and handle with care to avoid spillage. Store in a cool, dry, and well-ventilated area, away from incompatible substances. Follow all relevant transportation regulations for chemicals. |
| Storage | Direct Copper Blue 2B(R) should be stored in a cool, dry, well-ventilated area away from direct sunlight and incompatible substances like strong oxidizers. Keep the container tightly closed and properly labeled. Avoid exposure to moisture and sources of ignition. Ensure storage facilities prevent spillage and contamination, adhering to local regulations for chemical storage and environmental safety. |
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Purity: Direct Copper Blue 2B(R) with 98% purity is used in textile dyeing, where it provides vibrant and uniform coloration to cotton fabrics. Molecular Weight: Direct Copper Blue 2B(R) with a molecular weight of 764 g/mol is used in paper tinting applications, where it ensures excellent dispersibility and colorfastness. Stability Temperature: Direct Copper Blue 2B(R) with a stability temperature of up to 120°C is used in high-temperature printing processes, where it maintains color integrity and resists thermal degradation. Solubility: Direct Copper Blue 2B(R) with high water solubility is used in aqueous ink formulations, where it enables rapid and homogeneous mixing. Particle Size: Direct Copper Blue 2B(R) with a particle size under 10 microns is used in precision inkjet printing, where it achieves smooth surface coverage and minimizes clogging. Lightfastness: Direct Copper Blue 2B(R) with enhanced lightfastness is used in outdoor banner manufacturing, where it resists color fading under UV exposure. pH Stability: Direct Copper Blue 2B(R) stable from pH 4 to pH 9 is used in multi-process textile production, where it retains consistent dye performance across variable pH conditions. Viscosity Grade: Direct Copper Blue 2B(R) with a low-viscosity grade is used in continuous dyeing machines, where it allows efficient penetration into fibers and rapid processing. |
Competitive Direct Copper Blue 2B(R) 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
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Every pigment tells a story. At our manufacturing plant, the story of Direct Copper Blue 2B(R) comes from decades of hands-on work — raw materials arriving at the dock, the dust and rumble of reactor vessels, countless hours spent perfecting filtration and drying cycles. We focused on more than just color value or shade. Performance in the real world matters more to our customers than pretty technical charts. That drives how we blend, process, and check every batch of this copper phthalocyanine-based direct dye.
"Consistency" gets thrown around too often — what we mean is this: every lot matches practical plant expectations and delivers steady results even in shifting production environments. This doesn’t just depend on starting materials. Copper Blue 2B(R) pulls its character from the way the blue crystal forms, the finish of particle edges, and dozens of points in the process that many overlook as too minor to matter. We spend more time sifting and resifting, testing in both neutral and alkaline conditions, then pushing dye liquor through the same pumps and screens our clients use.
A textile operator notices if a color "runs" or washes out after weeks or fades on exposure to the first sunlight. We lab-test for those situations using fiber blends drawn from real-world textile vendors, not just “lab cotton.” That’s how we tune Direct Copper Blue 2B(R): clean, bright blue that survives typical laundry cycles and keeps color in long-run printing.
Dyes look similar on paper but behave very differently under pressure. Many direct blue dyes suffer from poor washfastness. Some lose luster when exposed to hard water or cheap detergents. Our copper blue holds up, thanks to a manufacturing line built to block out metallic contaminants and keep by-products to a minimum. We don’t just run a purity check and call it a day. Each batch faces resistance-to-light and resistance-to-washing cycles that go beyond the standard “5-wash” lab protocol. That’s a level of follow-through you only get from a plant used to meeting tough QC from European and Asian textile finishing clients.
We’ve seen a surprising amount of batch failure from "fast blue" types made with weaker raw materials or blended with color scavengers. These mixes might look fine at first but drop color after two or three washes. The feedback from downstream finishers rarely makes it back to the original manufacturer — we’re in constant contact with customers, pulling samples back from client plants for post-processing review.
Most direct dyes get poured into cotton, hemp, and viscose. We know that. Our focus is on how this blue actually interacts with modern fiber blends. Synthetic-content textiles, especially those with high modal or lyocell percentages, can swallow weaker dyes or display patchy color. This model tackles those issues better than the older Direct Blue 15 or blended variants still coming out of generic vats. We’ve tuned its solubility so operators get fewer “streaks” where dye stops short on synthetic-blend yarns.
In the paper sector, stability through the wet end and retention in alkaline pulps improve because our dye’s particle structure resists early precipitation. Paper customers want to control shade from batch to batch — with this model, they get tight shade control, which translates into fewer off-shade complaints and lower waste.
Leather finishers need a blue that resists bleeding when exposed to light mechanical abrasion or wet-wipe cleaning. Leather production houses using Direct Copper Blue 2B(R) on split hides have reported much less dye “lift” compared to older copper blue batches, especially in automotive and fashion leathers expected to survive daily handling.
A pigment’s analytical details matter less to our end-users than its day-to-day reliability. Experienced finishers look for high tinctorial strength but balanced with practical viscosity handling — too high a strength means uneven take-up, and too little means product waste. We gravitate toward an average shade strength of at least 100% versus standard Blue 2B models, but we test in working baths, not just in distilled water.
Solubility represents another focus point. Many competitors offer blue direct dyes with high initial solubility and zero carry-over to an actual production bath, leaving operators with clogged pipes and needles. We invested heavily in micro-filtration and controlled drying to produce powders and granules that disperse evenly and don’t leave residues collected near jet nozzles or padding mangle rollers. Tech service engineers from major textile houses have measured our Direct Copper Blue 2B(R) dispersing twice as fast in pilot-scale tests.
Dye buildup is a hidden enemy. If a line uses a dye that settles out or “cakes” in holding tanks, production must stop for cleaning. We listened to partners in continuous dyeing facilities troubled by this issue. By altering thermal settings in our spray-drying tower and screening every run for fine-particle clumping, we cut dye buildup on jets and stampers by half.
In markets overloaded with copycat blue dyes, our Direct Copper Blue 2B(R) stands out for staying power. Rather than cut corners on copper content or blend with low-grade extenders, we hold to a high-purity copper phthalocyanine input grade and manage process heat to give a crystal formation that delivers a blue you can trust — even after months of exposure and cleaning.
Direct competition usually divides between those who focus on low cost and those who chase “ultimate” technical spec sheets. We’re practical in between. Over the years, we’ve seen buyers burned by cheap blue dyes with short lifespans, and others who paid too much for over-processed pigments that made little difference in actual production. Our blue costs more than base-level generics but below lab-only “ultra-pure” lines, positioning it for operators who care about both yield and day-in, day-out durability.
Other direct blues — like Direct Blue 86 or non-copper substituted variants — often drift green or purple in mixed dyeing baths. Our model holds its place firmly, producing a clean, neutral blue, without veering toward either end of the spectrum, even when heated in dyeing machines or pH swings in recirculating baths. Feedback from continuous dyehouses and printers confirms that downstream mixing shifts far less with our product — operators don’t need to chase corrections or reblend as often.
Chemical manufacturing sits somewhere between science and art in the real world. Every year, textiles evolve, with new synthetic blends and tighter end-user requirements. We run long pilot programs with key clients, handing over Direct Copper Blue 2B(R) for testing under real production stress — not just “standard” lab dips. The feedback feeds directly into our annual process reviews, where chemists and plant hands tweak heat curves or water wash sequences until stubborn quality issues fade away. That’s how small edges grow. These conversations have led us to adjust granule hardness so modern dosing systems flow with less dusting or clumping.
We make a point to visit customer plants. You spot issues missed from behind a desk: dye cakes left in pipes, traces of blue in final “rinse” effluent, or odd shade drifts on blended t-shirts after ironing. These field visits keep our blue relevant. We look past perfect batches and scan for the “worst-case” lots that real lines encounter. It's how we keep reducing complaints and product holdbacks for reprocessing.
Laboratory-based pigment makers can’t always replicate the short mixing times or harsh conditions in real textile houses. We build testing rigs that throw the same “abuse” at Direct Copper Blue 2B(R) as an industrial line would — fluctuating pH, temperature spikes, mechanical agitation. Only then does a batch earn our mark.
A reliable blue dye prevents headaches from the top of the value chain down:
Environmental compliance pressures every dye house. We designed water pre-filtration steps and waste stream interception to minimize the release of unwanted copper or organic by-products into plant outflows. Real talk: copper-based dyes have environmental tradeoffs, but the tight control of our copper complexes means measurable reductions in effluent copper load, especially compared to open-batch syntheses run in less controlled plants. Third-party audits of our effluent streams have shown copper content at well below widely accepted thresholds, letting our clients pass audits and maintain certifications.
We supply major brands with certification data to support sustainable sourcing claims. What this means practically: dyehouses don’t have to scramble for backup paperwork or retro-certify lots. That keeps production flowing and reduces administrative headaches.
We take actual action to reduce dust generation during pigment handling. Microdosing stations use our granules with less product loss, helping larger factories meet health and safety standards without raising costs.
Growing restrictions on chemical use and evolving fashion-color trends keep pushing us for improvements. Right now, customers want more ecological transparency. We’re responding by transitioning to energy-saving drying lines, recovering more heat, and piloting low-water-use synthesis runs for Direct Copper Blue 2B(R). Each new process faces the same performance benchmarks: the blue must hold up in real dye baths and keep color strength intact, or we won’t switch over.
Handling logistics always plays a role. We package our blue to stand up to long shipping and storage, cutting down on “caking” that kills flow in dosing lines. Large buyers appreciate smaller lot rejection rates and reduced batch recalls.
Choice of dye is about more than price, shade, or even specs. In our plant, Direct Copper Blue 2B(R) is a long-term performer — a blue we can trust, that our customers trust, and that resists fashion and process changes. We keep making it, improving it, and standing behind it because experience tells us which color issues spark the most worry: reds that bleed into blues, pale fadeouts on summer shirts, inconsistent results in mixed-fabric lines.
Our investment in tighter particle size, cleaner copper phthalocyanine inputs, and hard-won “shop floor” tweaks has built a blue dye with a track record — not just a number on a data sheet, but a day-to-day tool that helps textile makers meet both production and customer-facing color demands.
Direct Copper Blue 2B(R) stands for more than pigment. It represents a manufacturing tradition where color integrity, reliability under fire, and transparent improvements matter as much as the science behind the formula.