Yudu County, Ganzhou, Jiangxi, China sales3@liwei-chem.com 748718781@qq.com
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Colorfast Permanent Violet RL VT2313S

    • Product Name Colorfast Permanent Violet RL VT2313S
    • Chemical Name (IUPAC) C.I. Pigment Violet 23
    • CAS No. 6358-30-1
    • Chemical Formula C20H16N2O7S2Na2
    • Form/Physical State Powder
    • Factory Site Yudu County, Ganzhou, Jiangxi, China
    • Price Inquiry sales3@liwei-chem.com
    • Manufacturer Anhui Liwei Chemical Co., Limited
    • CONTACT NOW
    Specifications

    HS Code

    681782

    Product Name Colorfast Permanent Violet RL VT2313S
    Color Index PV23
    Chemical Class Dioxazine Violet
    Appearance Violet Powder
    Shade Bluish Violet
    Cas Number 6358-30-1
    Ph Value 6.5-7.5
    Oil Absorption 55-65 g/100g
    Lightfastness 7-8 (Excellent)
    Heat Resistance Up to 200°C
    Density 1.7 g/cm³
    Moisture Content ≤2.0%
    Solubility Insoluble in water
    Main Uses Plastics, Paints, Inks, Coatings
    Packing 25 kg bags

    As an accredited Colorfast Permanent Violet RL VT2313S factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The packaging for Colorfast Permanent Violet RL VT2313S features a 25 kg sturdy fiber drum, labeled with product details and hazard markings.
    Container Loading (20′ FCL) **Container Loading (20′ FCL):** 20′ FCL contains 10 metric tons of Colorfast Permanent Violet RL VT2313S, securely packed in 25kg bags or cartons.
    Shipping Colorfast Permanent Violet RL VT2313S is shipped in sealed, labeled containers to ensure safety and prevent contamination. Each package complies with applicable chemical transport regulations, accompanied by a Safety Data Sheet (SDS). Store and transport in a cool, dry, well-ventilated area, away from direct sunlight and incompatible substances.
    Storage Colorfast Permanent Violet RL VT2313S should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and sources of heat or ignition. Keep the container tightly closed when not in use to prevent contamination and moisture absorption. Store away from incompatible materials such as strong oxidizing agents. Always follow local regulations and manufacturer guidelines for safe chemical storage.
    Shelf Life The shelf life of Colorfast Permanent Violet RL VT2313S is typically 12 months when stored in tightly sealed containers under recommended conditions.
    Free Quote

    Competitive Colorfast Permanent Violet RL VT2313S prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615365186327 or mail to sales3@liwei-chem.com.

    We will respond to you as soon as possible.

    Tel: +8615365186327

    Email: sales3@liwei-chem.com

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    Certification & Compliance
    More Introduction

    Colorfast Permanent Violet RL VT2313S: Performance Rooted in Practical Manufacturing Experience

    Real Color Requires Real Chemistry

    Making a vivid, durable violet isn’t guesswork. At the facility where we produce Colorfast Permanent Violet RL VT2313S, the job starts long before synthesis, in careful selection of raw materials and refusal to cut corners on purity. We never chase color at the expense of reliability, because these pigments land in real customer hands—in printing plants, in plastics extrusion rooms, in busy paint shops. If Colorfast Permanent Violet RL VT2313S won’t last in real-world conditions, it leaves our reputation flat, not just some inventoried bin.

    The Right Violet for Process Confidence

    VT2313S blends deep, bluish-purple undertones with a level of permanence both manufacturers and end-users can endorse. Our process produces a consistent crystalline structure, not just an entry in a shade catalog. In textile printing, that means less disappointment at post-processing—no patchy weakening during curing, no fading that sneaks up after a few washes. We see our pigment as an answer to routine frustration: eliminating the chase after elusive “batch-to-batch” sameness.

    Why Colorfast Matters Beyond the Lab

    Fastness metrics translate directly into value on real production lines. We watch what happens after application. Darker violets often bleed or ghost; lighter ones tend to vanish. VT2313S stands out for holding its intended shade through wet scrubbing, UV exposure, and industrial laundering. The specific chemistry behind our violet eliminates common headaches—less migration, reduced chemical reactivity in blends, and fewer complaints from finishers. After years of plant feedback, we tailored this line for environments where downtime is expensive and color errors ripple into rework and client claims.

    How VT2313S Differs from Everyday Violets

    Most generic violets in the global market use a predictable set of raw materials and a process designed for maximum output at minimum cost. We made a different bet—focusing on molecular stability. Precision can’t be faked by simply adding more dye load. VT2313S leverages a proprietary coupling and filtration step, only possible because we invested in dedicated reactors and in-line quality checkpoints. Early on, paint makers told us they battled inconsistencies in pigment grind and dispersion during mixing. We took that to heart. VT2313S disperses rapidly and does not clump, thanks to well-controlled particle size below five microns, measured with actual laser diffraction on every batch, not just selected runs.

    Performance Where Longevity is Not Just a Box to Check

    Customers rarely call because everything is going right; they call because something failed. We hear stories about other pigments breaking down under harsh acid or alkali conditions, especially in automotive and industrial coatings. VT2313S outlasts standard organic violets, maintaining chromatic integrity on metal and flexible materials alike. The resistance to chalking and fading under long-term sunlight comes from our cross-linked resin encapsulation method. This isn’t hype—we support these claims by running side-by-side exposure and chemical soak tests, then sending real samples to industry partners who report back with real-world outcomes, not only lab numbers.

    Practical Application, Not Hype

    Ink formulators and compounders come to our plant and talk shop—in the real world, pigment performance includes how fast it disperses, how it behaves under different binders, and how it stands up to repeated heat cycles. VT2313S can be integrated into both solvent-based and waterborne systems with minimal adjustment because of how we engineer the surface finishing. Many pigment makers skip refinishing; we don’t. Each lot receives additional surfactant stabilization, something we started doing after plastics processors complained about flow line stains. Today, QC techs run melt-flow and extruder tests, not just colorimetric scans, to ensure that Violet RL works in flexible and rigid polymers, with polyolefin blends showing excellent results, especially compared to older purple organics that yellow or lose strength during regrind.

    Supporting Green Chemistry Demands

    Industrial cost pressures have grown, but so have sustainability standards. Our pigment synthesis for VT2313S moved away from troublesome heavy metals and objectionable solvents years back, because customers—particularly European and North American finishers—refused to buy products triggering regulatory stress. The entire Colorfast Permanent Violet RL line comes certified for REACH compliance and meets local hazardous substances guidelines, confirmed by independent laboratory audits. These aren’t “check-the-box” certifications handed out for paperwork—a compliance team reviews our supply chain to ensure no contaminant spikes or residual organics slip through to finished pigment that our clients will be tested for.

    Pigment That Listens to the Market

    Our plant technicians work from complaints, not old recipes. If an inkjet printer manufacturer reports clogs from a competing violet, we run fluidity scans under identical pump pressures and nozzle constraints. If a film coater notes static or dusting, VT2313S is reformulated to reduce the particle friction coefficient. This is not extra—this is daily work. The result: the pigment sees actual use in ink, paint, and plastic factories without sparking new headaches. The manufacturers integrating VT2313S notice better stability in storage and improved flow during batch makeups. Warehouse managers report less spoilage and re-blend, process techs see lines run longer without unplanned cleaning stops, and QA departments find fewer off-shade incidents at scale.

    Built for Versatile Use Cases

    VT2313S never stays in one lane. Textile dye houses count on it not to warp during high-temperature steams; automotive finishers rely on it to resist photodegradation and acid rain. Packaging converters value it for clear, repeatable halftones on flexible substrates. Across these sectors, the pigment’s trait of avoiding chemical migration migrates from technical detail to day-to-day savings: less waste, fewer customer returns, more color repeat business. Some users have pushed its application into stretch PVC and polyamide blends, reporting no bleed or haze, even at thinner cross-sections. Others blend it with whites and yellows for tailor-made lavenders under high-shear mixers—a real feat, given how many violets streak under similar stress.

    We Let the Results Speak

    In the pigment business, talk is cheap. We monitor every single complaint logged against VT2313S and track every field test by batch. That feedback loop is what drives our continuous manufacturing tweaks. Once, a major carpet producer flagged premature fading during hot-water carpet cleaning on a previous violet. We reformulated, ran a series of accelerated life tests, and followed that run from extrusion through to final consumer use—those carpets now hold color even after repeat detergent exposures. That pain point drove us to review and tighten particle encapsulation and heat stability. It’s how VT2313S became the go-to violet in that sector, not by advertising but by adapting.

    Comparing Against Alternatives

    Factory comparisons matter most. Some low-cost imports come close in color shade, but their solubility and resistance profiles fail under repeated heat/chemical cycles. Others require restricted handling due to migration risks or workplace health issues; VT2313S eliminates those concerns by focusing on non-toxic, low-dust formulations. The pigment doesn’t dry out prematurely or react with binders to form unwanted gels—major issues for both mass market paints and high-speed rotary inks. Fewer reworks and fewer filter changes in the plant mean lower production downtime, something we measure in shifts, not years. This is what our customers report back, and it’s reinforced by our on-site testing regimen, honed after years in the pigment business.

    Reliability You Can Trust with Each Load

    For some producers, a single failed drum can throw off an entire week’s schedule. Our QC lab tests every batch produced across a wide array of parameters: shade, chroma, light and water resistance, heat stability, particle size, and of course, purity. ASTM and ISO color standards aren’t up for interpretation—we keep on-site calibrated spectrophotometers and run accelerated fade and migration tests on every pigment lot. There’s a chain of accountability from operator to supervisor to QC analyst; mistakes don’t just get documented, they get eliminated in the next run. Reliability means being able to hand over a bucket of Violet RL knowing it’ll meet your specs every time, not just on the first delivery.

    Feedback Drives Evolution, Not Stagnation

    We don’t just drop pigment in the mail. Our support team sits down with plant engineers and colorists to map out real production challenges. We know which resin systems create swelling, what process temps tip pigment crystallization, and how particle distribution affects press downtime. VT2313S has shifted over the years by applying this field knowledge: better lot tracking, improved surface treatments, and small yet meaningful tweaks like anti-caking additives in humid regions. We see pigment production as an ongoing relationship with our customers, not a transactional commodity. Success doesn’t only show in a certificate of analysis—it shows in production lines that run cleaner, customers who don’t need to call for emergency technical support, and industry award nominations that follow from real-world improvements, not empty claims.

    Tackling Today’s Manufacturing Pressures

    Raw material volatility and regulatory red tape put pressure on every part of our supply chain. We counter by keeping a multi-year inventory buffer of rare intermediates and building tight integrations with upstream suppliers. During global shortages, some plants halt or reformulate. Not us. VT2313S comes from a process built for resilience: dedicated reactors, isolated pigment handling, barrel-ageing checks, and real-time compliance audits for every ingredient. This sidesteps many typical disruptions our customers face when relying on decentralized or “just-in-time” pigment sourcing. The result? Consistent supply, consistent performance, even when the market is anything but consistent.

    Supporting Large-Scale and Niche Use Together

    Some customers need hundreds of tons, others just a pail of pigment tailored for a boutique project. VT2313S comes in lot sizes flexible enough for large-batch industrial order lines or custom, high-value orders. We’ve shipped drums to mass-market plastics plants in Asia and 25-kilo bags to specialty printmakers looking for archival-quality hues. Each batch is traceable via our internal ERP system, and smaller runs get the same rigorous sample and batch testing as our top-volume orders. Paint makers requiring minute adjustments in particle dispersion or unique carrier blends work directly with our formulation chemists. This collaborative approach means each lot is truly “fit for purpose”—not just a label slapped onto a carton.

    Meeting Evolving Market Demands

    Market requirements don’t sit still. Over the past decade, we’ve answered calls to eliminate heavy metals, extend heat stability, and deliver a more intense violet. We responded not with shortcuts but by revamping process controls and enhancing purification. Many competitors water down their QC or hope small impurities go unnoticed—they don’t survive long-term. Our focus remains on producing VT2313S to the demanding tolerances our partners bring us. If a large-format digital printer requests a tweak for better ink droplet formation, we create a small lot, test it directly in their equipment, and refine until it passes their own endurance tests. That ability to rapidly loop between request and result sets our pigment apart.

    True Durability for the Modern Market

    VT2313S stands out in tough settings like outdoor signage, vehicle wraps, and high-contact packaging because its structural backbone resists fading, wash-out, and humidity-borne smearing. Formulators credit improvements in the surface chemistry: each pigment particle receives additional coating steps that lock in color strength, cut down atmospheric reactivity, and minimize flocculation. We blend science and plant-tested know-how, using everything from accelerated weathering chambers to real-world monitoring of long-term outdoor installations. Durability here means product life measured not in days but in years—validated by ongoing controls, field audits, and our determination to accept no less than what the job actually demands.

    What’s Next for Colorfast Permanent Violet RL VT2313S

    Every pigment tells a story: of chemistry, of customer partnerships, of stubborn process problems overcome by incremental gain. VT2313S represents a commitment to move past commodity pigments and produce color that answers to real user environments. We plan continued investment in process automation, even finer particulate grinding, and tight collaboration with global research hubs for next-generation resin and compatibility needs. Our R&D teams are currently examining new hybrid organic-inorganic couplings, aiming for even longer lifespan and flexibility in food packaging settings. As applications expand and markets demand more from every kilogram, we keep listening, keep iterating, and keep the feedback loop close.

    Closing Thoughts From the Production Floor

    Pigments only matter when they do their job, batch after batch, in the hands of real makers. VT2313S wasn’t designed by marketers chasing glossy data sheets, but by chemists and plant engineers who know that production lines don’t run on promises. Every order that goes out represents a handshake between our factory and yours. We stand by our processes, our pigment, and—most importantly—the input of those who use it under real-world constraints.