© 2026 Anhui Liwei Chemical Co., Limited,
All Right Reserved
|
HS Code |
222262 |
| Appearance | powder or granular form |
| Solubility | soluble in organic solvents |
| Light Fastness | moderate to excellent |
| Shade Range | wide range of colors available |
| Application | suitable for plastics, inks, and coatings |
| Heat Resistance | generally good thermal stability |
| Purity | typically high, over 98% |
| Chemical Type | organic dyes |
| Particle Size | fine, usually less than 20 microns |
| Toxicity | low to moderate |
As an accredited Solvent Dyestuff Series factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The Solvent Dyestuff Series is packaged in 25 kg net weight fiber drums with inner plastic lining for safe, moisture-proof storage. |
| Container Loading (20′ FCL) | Container Loading (20' FCL) for Solvent Dyestuff Series: 14 metric tons packed in 25kg fiber drums, ensuring safe and efficient transport. |
| Shipping | The Solvent Dyestuff Series is securely packaged in sealed drums or containers to prevent leakage and contamination. Each shipment includes appropriate labeling and documentation, compliant with safety and transport regulations. Packages are handled with care to ensure the chemical’s integrity during transit, accommodating both air and sea freight requirements. |
| Storage | Solvent Dyestuff Series should be stored in a cool, dry, and well-ventilated area, away from direct sunlight, heat sources, and incompatible materials such as oxidizing agents. Keep containers tightly closed to prevent moisture absorption and contamination. Ensure appropriate labeling and avoid contact with skin and eyes. Properly handle spills and dispose of waste according to local regulations. |
| Shelf Life | The shelf life of Solvent Dyestuff Series is typically two years when stored in a cool, dry, and sealed condition. |
Competitive Solvent Dyestuff Series 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
Flexible payment, competitive price, premium service - Inquire now!
Years of hands-on production, formulation tweaks, and raw material adjustments have shaped the current generation of our Solvent Dyestuff Series. Many customers, especially those stepping up quality requirements or transitioning to more demanding end-uses, ask why certain color results seem impossible with generic dyes. They find the answer by working directly with a chemical manufacturer that controls every stage: raw material selection, process temperature, filtration, particle sizing, and purity checks. Our chemists know which impurities actually impact stability, which grades act as persistent residues, and how to control solvent compatibility—none of which can be consistently managed without real production insight.
Solvent dyes stand apart from water-soluble or pigment products. Their chemistry works without forming insoluble particles; they dissolve completely in organic solvents, yielding bright, transparent colors in plastics, lubricants, and fuels. These dyes go straight into solution, so unlike pigments, there’s no need for dispersants or lengthy mixing. That means fewer process upsets, no clumping or sedimentation, and consistent color performance, even under tough temperature cycles.
The Solvent Dyestuff Series comes in granular, powder, and microcrystal formats, all produced in closed-system reactors to prevent air exposure—important for oxidation-prone tones like yellow and orange. Each batch always meets a defined purity, tested for residue metals and by-products. Customers choosing pre-blended forms don’t experience blocked filters or uneven coloration, because we grind and sieve to a tight spec based on years of problem-solving in production environments.
The full palette includes reds, blues, yellows, violets, and greens suited for organic media. We developed updated codes for each tone, for example, our Solvent Yellow 93, Solvent Orange 54, and Solvent Red 24. Clients making high-clarity plastics or films appreciate the no-clouding effect. Typical usage runs between 0.01% and 0.1% for most applications, but automotive and fluid identification require narrower tolerance—right down to the milligram, tested by in-lab spectral analysis on each batch.
Our team addresses requests like boosting fastness for polyester resin, increasing light stability in waxes, or developing alternatives for customers facing regulatory changes around banned metal impurities. The tweaks become possible only because all equipment and formulation are handled in-house. Even small changes in reaction time, pressure, or solvent choice can induce hue shifts or create off-odors, so a close manufacturing loop keeps every run on-spec.
Plastics producers choose solvent dyes for coloring PVC, PS, acrylics, polycarbonate, CP, and ABS resins. The dyes generate crystal-clear shades inside cast sheets, safety glasses, automotive parts, appliance housings, and colored films without streaks or haze. Candle makers use our series for deep-toned waxes that resist fading and migration. For petroleum fuels and lubricants, solvent dyes remain stable in extreme chemical environments; our batches maintain color even above 150°C. Lubricant additives, oil-based polishes, printing inks, and aluminum foils rely on precisely the same batch-tested quality. Many clients report lower waste and faster quality control checks because our series blends instantly in organic phases, free from residual grit or agglomerates.
Our own routine product applications often stress-test these dyes: UV light chambers, high-temperature cycling, and storage in hostile solvents for months at a time. The aim remains to pinpoint the dye grade best matched to a customer’s processing condition, not just the cheapest or the most available color. For custom shades or functional additives, our lab will combine two or more standard types to hit an exact spectral curve—a practice not possible with mass-produced, third-party products.
From a manufacturer's perspective, the biggest differences between solvent dyes on the market trace directly back to raw material purity and control over reaction conditions. Commodity grades, often moved by traders, arrive with unknown side-products or inconsistent shades. We routinely reject lots of intermediates and refine our synthesis to remove breakdown products—steps that prevent future complaints of fading, poor weathering, or process faults.
Our comparator testing reveals clear differences: low-tier dyes distort under heat or UV, with color variations running batch-to-batch, especially for yellows and reds. Out-of-spec dyes lead to rejected batches for plastics producers or visible specks in lensmaking. Formulators using low-stability dyes, particularly in outdoor materials, see rapid color loss, while food packaging and cosmetics cannot use dyes with dissolved metals or arylamines. Each point traces back to in-house chemical oversight and strict QC checks, not paperwork or third-party testimonials.
Manufacturing at scale brings trade-offs. Solvent dyestuff production uses high temperatures, requires excellent reactor control, and occasionally faces shifts in upstream chemical availability. We maintain full production logs from batch raw material through pigment formation down to lot-level spectral readings. This traceability makes it possible for clients to audit batches or reference runs long after color is applied in a molded part or filled pigment ink. Troubleshooting never relies on guesswork—every plant run links to a stored reference and an archived sample. Customers evaluating substitutes or planning to meet new country-specific compliance standards receive both spectral and compositional transparency. As plant and environmental rules shift, we bring out new formulations or suggest closest-matching models, without long lags or ignored feedback.
No shortcut can substitute for full batch control and documented sourcing. Key sectors—food packaging, children’s toys, cosmetics—rest on safety and chemical traceability. We test for lead, cadmium, arsenic, and banned amines, not only at the start but with every production batch. Environmental norms grow tighter every year; clients often need statements of compliance proved by on-site records, not just supplier promises. Our documentation covers not just basic MSDS, but also RoHS, EN71, REACH, and—on request—full analytical traces for every dye product.
Our product development group works closely with research partners and end-users to phase out legacy intermediates or adapt to new non-phthalate and non-halogen priorities. With ongoing reformulation and retrofitting of our own plant equipment, we keep the solvent dyestuff series compliant with regional and global requirements without leaving clients scrambling for alternatives.
Raw material cost spikes and tightening chemical regulations challenge every solvent dye supplier. From the inside, a manufacturer with years of process data and close supplier relationships maintains better stability—both in quality and supply. We pre-book essential raw materials, keep dual-source backups, and validate each supplier quarterly through joint audits. Slow adoption of new compliance standards by others often brings last-minute panic for end-users; our solution remains proactive notification, planned phase-outs, and direct feedback loops from R&D to production planning.
Counterfeit products and off-spec substitutes create headaches for downstream processors. We mark every batch with unique identifiers and keep a sealed retention sample for years after shipment. For clients facing technical problems or investigating inconsistencies, our technical support relies on first-hand batch history rather than generic advice. Over the years, data-driven troubleshooting and side-by-side sample comparison fixed issues ranging from color deviation in fuel production to speckle formation in clear molded plastics.
Real-world feedback from production plants drives daily improvements. Our technical department encourages open sharing of process challenges and color needs from customers; insights received turn into pilot runs and, eventually, into more robust dye models. For example, in the last twelve months, recurring requests for higher temperature stability led our R&D to optimize former models for resistance above 180°C. A series of controlled plant trials confirmed performance, and now large-scale orders for electronics and appliance plastics use the upgraded dye, cutting scrap rates and improving long-term appearance. Small-lot customers, such as specialty candle-makers or lubricant blenders, benefit directly from these continuous upgrades, even without the scale of major multinationals.
All formulation, compounding, grinding, and packaging remain under our roof, not farmed out. We measure and guarantee color values on multiple instruments and check each batch under standard lighting. Problems reported by customers—such as bottle-to-bottle color shifts, unexpected fading, or residue accretion—result in actual process reviews and in-plant troubleshooting until a fix becomes repeatable. Distribution partners and end-users alike consistently report fewer complaints once they switch to a manufacturer-sourced dye, and often cite the hands-on technical support as a major factor.
Our roots as a manufacturer give access to customer feedback from large batches and countless pilot runs. A customer in the injection molding sector needed a shade for translucent phone covers that kept clarity after months of high-heat outdoor exposure. Off-the-shelf alternatives failed under UV-light testing, generating yellowing or speckling. By drawing on retained research samples and precise batch logs, we could adjust the dye blend, carry out side-by-side comparisons, and confirm the right formula before scaling up to full delivery. Since then, the same approach regularly helps packaging companies, lubricant manufacturers, and niche candle producers who seek not only color, but repeatable batch quality and processing confidence.
Lubricant companies value our high-solubility solvent dyes in mineral and synthetic base stocks; our grades show high resistance to migration and maintain color at elevated temperatures above 150°C. Polymer processors running PET and PC resins appreciate the microcrystalline grind, which eliminates filter blockages and maximizes line uptime. Candle manufacturers cite reduced color migration and better fade resistance—real metrics built on persistent stability under wax and paraffin exposure. Each case demonstrates how years of focused production and direct technical support produce not only a product, but the assurance that downstream processes work as expected.
Trends in end-use—especially higher performance plastics, environmentally safer lubricants, and food-contact packaging—place increasing demand on color consistency, batch traceability, and chemical safety. Our plant teams continually review and adapt the solvent dyestuff series to new polymers, changing supply chains, and regional compliance requirements. Direct feedback travels rapidly from customer field trials to lab troubleshooting and back to plant-scale changes; there is no waiting for a global brand to update an imported technical spec. As a result, both bulk buyers and small workshops gain access to solutions tuned for real, in-plant needs.
Our process control strategy extends beyond color and solubility—it covers dust content in powders, batch-to-batch hue shifts, and the elimination of unstable or reactive residues. These controls matter even more for safety-sensitive sectors like children’s toys, medical equipment, and food packaging. We pursue in-house innovation for safer, cleaner dyes, not just regulatory compliance. Continuous improvement comes from knowing the real production obstacles faced by end-users, and supporting them with data, technical guidance, and consistent manufacturing oversight.
A genuine chemical manufacturer offers more than just product: every customer gains access to process guidance, formulation advice, problem-solving, and continuous upgrades based on plant performance. From development through production, from tightest regulatory audits to strictest end-use demands, a direct partnership delivers control that no third-party or generic source can match. Over years of experience, only a full-scale chemical manufacturer handling every step—closeness to raw material supply, on-site batch production, plant-based QC, and practical end-user feedback—can build a solvent dyestuff series trusted for stability, clarity, and compliance in real-world industry.
Investing in true manufacturing depth means every drum, every batch, every shade carries a reputation for performance—not just a label or a document. The Solvent Dyestuff Series reflects the reality that high-end industrial color cannot be left to chance or generic third-party sourcing. As customer requirements evolve and industry standards grow stricter, manufacturing expertise and process discipline shape not only color outcomes, but entire downstream production quality and peace of mind.
