|
HS Code |
220860 |
| Product Name | Permanent Violet HR-256 |
| Chemical Class | Anthraquinone |
| Color Index Pigment | PV 19 |
| Cas Number | 1047-16-1 |
| Appearance | Violet powder |
| Shade | Bluish violet |
| Oil Absorption | 45-55 g/100g |
| Lightfastness | 7-8 (Blue Wool Scale) |
| Heat Stability | Up to 180°C |
| Solubility | Insoluble in water |
| Molecular Formula | C18H12N2O4 |
| Applications | Paints, plastics, inks, coatings |
As an accredited Permanent Violet HR-256 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Packaged in a 25 kg net weight fiber drum with plastic inner lining, clearly labeled "Permanent Violet HR-256" and hazard markings. |
| Shipping | Permanent Violet HR-256 should be shipped in tightly sealed containers, clearly labeled, and protected from moisture, heat, and direct sunlight. Handle with care, following all relevant chemical transport regulations. Store upright, away from incompatible substances. Use appropriate personal protective equipment during handling to prevent inhalation, skin, or eye contact. |
| Storage | Permanent Violet HR-256 should be stored in a tightly sealed container in a cool, dry, and well-ventilated area away from direct sunlight, heat sources, and incompatible substances such as strong oxidizers. Store at ambient temperature and prevent moisture entry. Ensure containers are clearly labeled and kept upright to avoid spills. Always follow safety guidelines and local regulations for chemical storage. |
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Purity 98%: Permanent Violet HR-256 with 98% purity is used in automotive coatings, where it ensures high color intensity and gloss consistency. Particle Size D90 2.5 µm: Permanent Violet HR-256 with D90 2.5 µm particle size is used in plastic masterbatches, where it provides uniform pigment dispersion and excellent opacity. Melting Point 280°C: Permanent Violet HR-256 with a melting point of 280°C is used in high-temperature polymer applications, where it maintains chromatic stability and thermal resistance. Viscosity Grade Low: Permanent Violet HR-256 of low viscosity grade is used in inkjet printing inks, where it allows smooth flow and prevents nozzle clogging. Stability Temperature 220°C: Permanent Violet HR-256 with stability temperature of 220°C is used in powder coatings, where it delivers heat-resistant coloration and long-term durability. Oil Absorption 40 g/100g: Permanent Violet HR-256 with 40 g/100g oil absorption is used in artist oil paints, where it enhances blendability and pigment load. Lightfastness Grade 7: Permanent Violet HR-256 with lightfastness grade 7 is used in exterior architectural paints, where it provides long-lasting color retention under UV exposure. Moisture Content 0.2%: Permanent Violet HR-256 with 0.2% moisture content is used in water-based inks, where it prevents pigment aggregation and improves storage stability. Surface Area 24 m²/g: Permanent Violet HR-256 with a surface area of 24 m²/g is used in textile printing pastes, where it ensures high tinting strength and fabric penetration. pH Value 7: Permanent Violet HR-256 with a pH value of 7 is used in cosmetic formulations, where it offers skin compatibility and color stability. |
Competitive Permanent Violet HR-256 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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Permanent Violet HR-256 has proven itself in the pigment market as a reliable choice for demanding applications. From a manufacturer's perspective, the drive behind this pigment goes back to the need for color stability under a wide range of conditions. As production trends move toward increased temperature endurance, chemical resistance, and stronger color effects, traditional violet pigments simply do not maintain their integrity in all applications. Our process for Permanent Violet HR-256 was developed specifically to answer these needs, shaped by ongoing feedback from professional colorists in coatings, plastics, and the printing industry.
Permanent Violet HR-256 is categorized under the pigment violet 23 chemistry, known for its phthalocyanine structure. The strong reddish shade of HR-256 gives a vibrant and deep violet—a hue colorists consistently prefer over more blue-leaning or muted violets. In the lab, we’ve compared this pigment head-to-head with standard offerings and noticed that the high tinting strength, lightfastness, and temperature resistance make HR-256 a more robust performer when formulating for exacting standards.
Developing Permanent Violet HR-256 begins with selecting high-purity raw materials. Variability in starting material quality drives down the overall purity level of the final pigment—resulting in lower chroma and duller color expression. Years of investing in purification steps and process control mean HR-256 consistently meets specification for both colorimetric parameters and contaminant content. Expert chemists monitor each batch for shade constancy, dispersion quality, and specific surface area to maintain the characteristics demanded by end-users.
What sets HR-256 apart starts with its particle size distribution. Pigment particle size influences application properties like gloss, transparency, and flow. We manufacture HR-256 using a refined precipitation and finishing process designed to maintain particles in the 0.03 – 0.08 micron range. This targeted control allows for high color strength even at low addition rates—a valuable property for masterbatch producers and ink formulators aiming to keep pigment loadings down without losing vibrancy or coverage.
Every manufacturer in pigment production faces pressures from both regulators and customers to reduce hazardous material use. Elevated heavy metals, formaldehyde release, and unwanted by-products in synthetic pigments have drawn industry concerns. By refining synthetic steps and frequently auditing supplier chains, HR-256 delivers not only deep, intense color but also keeps impurity levels well below regulatory thresholds for lead, cadmium, and arsenic. Finishing steps are geared toward easy wetting and fast dispersion, eliminating user complaints of grit or time-consuming milling downstream.
Our in-house evaluation goes far beyond batch color matching. Accelerated weathering chambers, chemical immersion, and high-temperature extrusion trials tell the real story of pigment stability. HR-256’s superior fastness rating holds up in prolonged outdoor exposure—important for automotive or exterior architectural finishes, where fading or shifting hues damage reputation and cost money to fix. Paint shops require pigments that endure oven baking without brownout, while plastics processors expect resistance to heat-related degradation. HR-256’s structure resists breakdown at temperatures beyond 250°C in polyolefins and PVC, keeping formulations stable without shifting shade.
Alternative violet pigments often disappoint color chemists. Some cost-effective options use easily available raw materials but show rapid chalking or flocculation in water-based systems. Others lack the deep violet strength expected in modern trends, showing grayish overtones after only a few months outdoors. HR-256 solves both problems by emphasizing purity of the violet 23 crystal form and stabilizing crystal growth. This gives not only a more intense chromatic violet but also increased solubility resistance—reducing migration and blooming in finished products.
In comparison to violets based on manganese, cobalt, or dioxazine structures, HR-256 stands out for greater consistency in mass tone and undertone, crucial for coatings and ink blending. Low-activity surface chemistry ensures rapid integration into both solventborne and aqueous systems, limiting fluctuations in gloss or haze in the finished product. Experienced processors notice that HR-256 incorporates easily using both high-speed dispersers and three-roll mills, cutting processing time and reducing operational cost.
Permanent Violet HR-256 supports a range of applications in both industrial and artistic recipes. In liquid and powder coatings, color retention and compatibility with a variety of resin chemistries remain top priorities. Customers in the automotive sector rely on HR-256 for its ability to survive multiple bake cycles, even at heightened temperatures, without dulling out or shifting undertones. In the plastics sector, formulators see HR-256 consistently providing clean and stable color through thermal cycling in polyolefins, ABS, and PVC blends. Our laboratory push for comprehensive resin compatibility gives assurance that end colors will perform throughout a part’s lifetime, not just on day one.
Offset, flexographic, and gravure ink producers appreciate HR-256’s fast development and high pigment content. The crystalline structure minimizes solubility to carriers and solvents; this keeps print runs sharp, with less risk of bleeding or migration that leads to customer satisfaction issues. Artists and fine pigment manufacturers benefit from the clean undertone, which blends smoothly with zinc or titanium whites for tints, pushing vibrancy and lightfastness to their maximum.
Fine powder handling requires solid safety and process engineering at scale. Our production avoids agglomerates and offers consistent bulk density, supporting automated dosing and rapid wetting in large process plants. Application teams appreciate that the pigment structure avoids uncontrolled dusting—a frequent source of labor concern and process inefficiency in poorly-made pigments. Regular upgrades in containment and environmental monitoring at our plants ensure that the pigment meets contemporary health and safety codes, reassuring both our own staff and customers of the care going into each shipment.
During high-shear processing or extrusion, HR-256’s low oil absorption proves valuable for formulators adjusting rheology in coatings or plastics. This supports easier process optimization as well as broader compatibility with specialty additives and dispersants. The pigment’s manufacturing repeatability also lets process engineers work with predictable parameters, helping to reduce downtime and in-process rejects.
Pigment production today owes much of its future to sustainability trends and environmental policies. The chemistry behind HR-256 supports efforts to move away from pigments carrying legacy heavy metal risks. Current RoHS and EN71-3 compliance standards increasingly direct pigment selection in sensitive applications—such as toys, packaging, and children’s products. By keeping impurity profiles as low as possible, HR-256 fits into long-term manufacturing strategies for greener, safer end products without sacrificing color performance.
Ongoing compliance monitoring ensures pigment shipments align with both international and regional chemical control frameworks. Close engagement with downstream producers keeps us ahead of likely regulatory changes and evolving industry trends, minimizing risk for formulators working in markets with strict labeling or certification needs. Whether entering supply chains in Europe, North America, or Asia-Pacific, our documentation and technical teams provide peace of mind from the first delivery to long-term project maintenance.
Manufacturing at industrial scale never allows taking specifications for granted. Formulators and buyers routinely approach us with increasingly complex demands—targeting unique shades, resisting chemical contaminants, or enabling challenging process conditions. Our technical service teams work alongside customers to solve unexpected challenges, validate pigment performance in new systems, and troubleshoot untimely out-of-specification results. Rapid communications between our chemists and your manufacturing engineers mean questions never drift unanswered, and process improvements reach the customer’s line without delay.
Having decades of pigment production experience has taught us that collaboration sparks innovation more reliably than any single lab study. We invite process data, field samples, and critical feedback to keep raising the pigment’s performance. Adjustments in particle size or surface treatment are developed in partnership with end users, not in isolation from market needs. This two-way engagement remains one of the driving factors behind Permanent Violet HR-256’s adoption in markets previously dominated by legacy pigments.
Market shifts create pressure on colorants—demanding greater permanence, finer color control, and easier integration into a growing list of substrates. Customers familiar with failures in traditional violet pigments appreciate that HR-256 delivers on both color impact and practical processing needs. It maintains shade without after-yellowing. It meets fastness standards where others chalk or fade. It bridges the gap between robust industrial colorants and safety compliance in consumer-facing products.
As a manufacturer deeply embedded in the world of technical pigments, we see each drum of Permanent Violet HR-256 as a reflection of experience, chemical insight, and customer-driven improvement. The pigment’s chemistry allows those seeking high performance and reliability to reach next-level results in their applications, while the transparency of our process reinforces trust built over years of collaborative supply. For producers seeking both technical edge and sustainability, HR-256 stands out as a forward-thinking choice.
Working closely with our partners over the years, we have seen firsthand the challenges industries face, from regulatory upheavals to evolving customer demands. HR-256 reflects countless adjustments in formulation, process engineering, and environmental controls, not because the market demanded change in words, but because real-world applications exposed weaknesses in conventional systems. In the search for bolder, cleaner, more enduring violet hues, R&D has returned again and again to the structure that defines HR-256.
As synthetic chemists and pigment producers, our perspective comes from a lifetime of refining, reformulating, and troubleshooting every aspect of pigment quality. Real success arrives when a pigment like HR-256 performs not just under idealized test conditions, but in the unpredictable variables each customer plant provides. Every kilogram leaving the factory has passed through tests, audits, and improvements led by both science and day-to-day operating feedback.
Our commitment extends beyond single pigment launches; it moves forward with a deeper goal of pushing industry standards higher. Through continuous dialogue with applicators and scientists, HR-256 has moved from routine pigment to a benchmark for violet colorants that others measure against. The pigment’s design considers not only present application needs, but the practical path forward as digital manufacturing, sophisticated coatings processes, and zero-waste initiatives transform how color impacts the world.
Feedback from the market never comes as a surprise. End-users in tough segments like industrial powder coatings and high-performance automotive paints have brought us real problems: pink shift after oven curing, difficult dispersion in waterborne systems, or regulatory blocks on imports due to impurity profiles. The response, through incremental improvement and unrelenting process control, is visible in HR-256’s reliability across these diverse market areas.
Permanent Violet HR-256’s track record keeps growing, not by generic recommendation, but through countless successful applications. Plastic processors value color stability after high-temperature molding. The paint sector recognizes rapid wetting and high durability, vital in demanding architectural and vehicle finishes. Ink manufacturers count on the pigment’s fastness and smooth rheology in both offset and digital systems. Each segment brings a different lens, yet consistent feedback centers on the pigment’s stability, strength, and dependable performance.
There’s little tolerance today for pigments that underperform or trigger regulatory headaches. By actively eliminating outmoded synthesis routes, cleaning up impurity channels, and responding directly to customer field data, HR-256 aligns itself with the direction advanced colorant users expect. The pigment brings together the detailed technical knowledge forged in the lab and the practical realities faced by converters, finishers, and artists worldwide.
Permanent Violet HR-256 was never intended as a generic answer to violet colorant demands. Its ongoing development, tested day after day on actual production lines, follows the lessons learned from both failures and unexpected successes. Those who rely on us for pigment supply know firsthand the importance placed on process visibility, technical accessibility, and long-term support. The pigment stands as both a product and a process—a culmination of hard science, continuous improvement, and partnership sustained across thousands of real-world applications.
Rather than resting on claims or isolated product profiles, we base each assurance on test results, constant customer engagement, and attention to the full pigment lifecycle. The journey to match the evolving technical, regulatory, and aesthetic requirements of our customers continues, guided by the collective knowledge built into every batch of Permanent Violet HR-256. Through transparent, rigorous manufacturing and a commitment to direct industry partnership, we offer not just color, but confidence—reliably, in every application and market.