© 2026 Anhui Liwei Chemical Co., Limited,
All Right Reserved
|
HS Code |
176440 |
| Productname | Medium Pigment Carbon Black |
| Casnumber | 1333-86-4 |
| Appearance | Fine black powder |
| Particlesize | 20-60 nm |
| Surfacearea Bet | 50-100 m²/g |
| Tintstrength | Medium |
| Oilabsorption | 80-150 mL/100g |
| Volatilecontent | <2.5% |
| Ashcontent | <0.5% |
| Phvalue | 6-9 |
| Moisturecontent | <1.0% |
| Refractiveindex | 2.42 |
As an accredited Medium Pigment Carbon Black factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Medium Pigment Carbon Black is packaged in a 25 kg durable, sealed multi-ply paper bag with clear labeling for safe handling. |
| Container Loading (20′ FCL) | A 20′ FCL (Full Container Load) for Medium Pigment Carbon Black typically contains 10 metric tons packed in 500 kg bags. |
| Shipping | Medium Pigment Carbon Black is shipped in sealed, moisture-proof bags or fiber drums to prevent contamination and dust emission. Packages are securely palletized for safe transport. The chemical is classified as non-hazardous, but appropriate labeling and documentation are provided. Store and handle in a cool, dry, well-ventilated area upon receipt. |
| Storage | Medium Pigment Carbon Black should be stored in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible materials. Keep containers tightly closed and protected from moisture to prevent clumping. Minimize dust generation and accumulation. Store away from strong oxidizers. Use appropriate, clearly labeled containers to avoid contamination and maintain chemical integrity. |
| Shelf Life | Medium Pigment Carbon Black typically has an indefinite shelf life when stored in a cool, dry, and well-sealed container. |
Competitive Medium Pigment Carbon Black 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!
Medium Pigment Carbon Black has stood out for bulk coloring applications where reliable performance and cost control count. Our plant produces several grades, including N330 and N550, and we keep rigid batch testing so that users can expect steady quality. Compared to specialty or high-structure blacks, these grades have balanced surface areas and particle sizes, so they serve a lot of industries, from plastics to coatings and inks, without raising unnecessary technical hurdles or costs.
Experience tells us that not every process needs ultra-fine powder or high structure for strength. Sometimes what is needed is a workhorse product—one that boosts product color, disperses easily, and matches the drawdown needed for mass production. For engineered plastics and standard coatings, medium pigment types keep production lines running smoothly, especially where deep jetness or reinforcement is less of a priority than batch-to-batch consistency.
Our common medium pigment carbon black, model N330, features moderate surface area and aggregate structure. It is produced using the furnace black method. Particle sizes measure from around 25 to 35 nanometers, which delivers deep enough tinting strength for construction plastics, lamination, or synthetic rubber. Compared to finer grades like N220, these particles resist agglomeration during handling, reducing mess and loss at feeding stations.
N550, another medium pigment option, has a larger average particle size and lower tinting strength compared to N330. It helps in applications needing less color intensity or higher loadings as a carrier. We found that customers in cable sheath, wire jacketing, and pipe extrusion come back for N550 when they value good processing flow and steady basic tint.
As a chemical manufacturer, we invest in production controls to keep dust and moisture at bay. Wet and dry methods require different controls, and we regularly calibrate our reactors to avoid unwanted variation. We also monitor oil absorption and volatile content to match the needs of the local environment—you won’t find surprises mid-shipment. Many customers who try imported black notice the differences in free flow and bulk density before long. Heavy working experience in upstream manufacturing has taught us that ignoring these details will cost both us and downstream users more in the long run.
Plastic compounds take up most of our volume output for medium pigment carbon black. Wire and cable extruders blend our product to shield conductors from ultraviolet damage while coloring jackets dark for field identification. The difference between a brittle pipe and a resilient one often comes down to pigment consistency and dispersion in the extruder. Compounders regularly ask for our medium pigment grades to limit scrap and get optimal color let-down.
Rubber manufacturers formulate with medium pigment types to stretch their production budgets. They use N330 as a routine reinforcing agent for sidewalls, tire carriers, seals, belts, and hoses—it balances strength and flexibility. Too high a structure leads to tough, inflexible parts, while low structure gives up mechanical stability. Paint and ink makers buy medium pigment black for low-gloss black basecoats, marine primers, and printing. High-jetness, high-cost pigments aren’t always needed for mass market supply. Medium pigment types offer enough blackness for most daily objects—the lid of a printer, car floor mats, or municipal pipes.
Fine pigment carbon blacks, like N990 or super concentrated grades for automotive finish, take intensive equipment to disperse and cost several times more per ton. Those grades work best in high-end coatings or where color depth and gloss justify paying the premium. In everyday manufacturing, that money rarely comes back in finished product value. The medium pigment variants let customers stay competitive in price-sensitive markets—garden tools or PVC pipes for construction don’t benefit from show-car jetness.
Low structure or high surface area blacks tend to create thick pastes, requiring extra dispersants in aqueous or solvent systems. Our medium grades mean more straightforward mixing and less foaming during high-speed milling. They simplify recipe adjustments for both small-scale lab runs and large-scale blending. Our team tracks customer feedback, and most plant engineers say they pick medium grades because they present fewer runability issues.
Bulk pigment supply brings headaches not always seen in the lab. Moisture pick-up causes caking, and irregular fines can block pneumatic feeders. Our product has a tighter moisture specification than imports. The granulation method means less airborne dust at user sites, reducing the need for heavy filtration during extrusion or compounding. We optimize delivery formats—beads, powder, or pre-wetted chips—based on what works best in user equipment.
We have seen competing products leaving residue or uncollected pigment in hoppers. Operators waste time and energy cleaning out the lines, but with our medium carbon black, the flow stays predictable. That cuts downtime, and fewer complaints come up on night shifts or on hot, humid days. We recognized long ago that a consistent product lets customers run more shifts without process adjustment.
Our experience supplying thousands of tons every year means we build process feedback into production revisions. Batch records, pigment property charts, and customer process logs guide upstream changes. When one customer reported unusual gloss loss in extruded panels, we discovered air humidity at their plant affected pigment dispersion rates. We changed our packaging process for their shipments—humidity barrier sacks solved the problem and kept shipment content stable between weeks in storage and final use.
Another example came from a flooring tile manufacturer struggling with color streaking. Their title line had low-pressure kneaders, making dispersing fine pigments almost impossible. By switching them to our medium pigment stock, they reduced raw material waste and hit the right color in one pass. The payoff came in saved scrap costs and fewer reprocessing runs, not just pigment expense savings.
Our philosophy stays grounded in day-to-day manufacturing. We keep regular communication channels open with users, whether it is sharing technical bulletins, engineering solutions to persistent feed issues, or identifying root causes in field performance. We make changes to upstream processes when repeated user feedback shows trends—a responsibility that doesn’t end at the loading dock.
Most customers value low-dust products, and we align with this by regularly updating granulation equipment and sealing systems. Cleanliness isn’t just about appearances—airborne pigment fines may cause respiratory strain if allowed to escape uncontrolled. Internally, we invest in dust extraction at key points in the production line. Downstream, lab testing ensures minimal respirable content, making handling safer and cleanup less taxing—especially in high-throughput environments where daily exposure accumulates.
We commit to using low PAH (polycyclic aromatic hydrocarbons) feedstocks where possible, selecting petroleum based on both performance and environmental compliance. While not all regulations require these steps, we plan ahead for shifting global oversight. Responsible raw material selection affects worker safety, community trust, and downstream product compliance alike.
End-users in pipe manufacturing, compound mixing, and sheet extrusion tell us they track pigment reliability just like any other feedstock. Consistent particle size, steady tint, and a predictable pour behavior mean less downtime and fewer rejected lots. In large plants producing pipe or jacketing, slight changes in pigment granulation quickly reveal themselves in product finish. We learned to fine-tune our pelletization steps—making denser beads for pneumatic systems, and lighter forms for gravimetric feeders. This helps different sectors maintain product quality while meeting their own line requirements.
We support compounders needing quick, reliable color calibration. Reducing line waste often depends more on pigment choice than the latest extruder part. Our labs run regular side-by-side drawdowns with both our product and third-party options. These comparative trials ensure our batches perform to or outperform recognized industry benchmarks. We do not just take lab numbers at face value—proving real-world blending and mixing properties sets our medium pigment grades apart.
Medium pigment carbon black models like N330 and N550 have decades of practical evidence behind them. Long before new engineered blacks, these grades were the standard for reliable blacking and coloring in nearly every non-cosmetic or food-contact polymer. We hear from equipment vendors and maintenance crews that our grades avoid the build-ups and nozzle blockages sometimes found with finer pigment choices.
This legacy matters in commodity markets where production costs remain tightly watched. Industries like building materials or cables cannot risk line stoppages. Medium pigment carbon black keeps running costs manageable, and its process flexibility gives plant managers a cushion against daily fluctuations in temperature, humidity, or lot-to-lot resin quality.
Our technicians have years working with carbon black reactors, storage silos, and bulk packaging equipment. From raw input to finished pallet, the focus stays on statistical control—catching deviations and not releasing them downstream. We audit every shift, comparing surface area, ash content, oil absorption, and delivery form against batch specifications. Customers trust that every shipment aligns with their blending habits.
Beyond in-house checks, our technical team follows up directly with compounders and processors using our product. That means troubleshooting line issues or adjusting particle size distribution upon request, based on actual runs—not only samples in a lab. This approach closes the loop between production and user results, shifting our product response closer to direct manufacturing needs.
Some industries have special blending equipment or process constraints. For cable plants using high-speed extruders, consistent granule size lowers the risk of clumping at feeder screws. In coatings, a reliable medium pigment keeps drying profiles within targets, avoiding slower line speeds from unexpected wetting or thickening. In the ink industry, flow and shelf life matter. We blend our product for dispersibility in both solvent and water-based formulations, so even older batches can be reincorporated with minimal extra milling.
In the molding sector, customers who struggle with shrinkage or streaking often find medium grades less prone to clumping than ultra-fine pigment blacks. Base polymers take up the pigment more evenly, giving finished goods a presentable appearance without repeated trials. Process managers welcome having fewer adjustments to make, especially when processing windows tighten as line speed increases.
We recognize users need predictable costs, especially with high-volume raw materials like pigment. Our procurement and logistics teams monitor feedstock pricing, and we source directly from established upstream suppliers. Bulk deliveries receive batch-level review, and local warehousing allows for reserve stocks during disruptions. We do not cut corners by changing materials mid-process; long-term supply contracts align with seasonal and quantity changes flagged by users themselves.
After years handling regional and export markets, we see that shipping conditions influence pigment properties arriving at customer plants. Temperature and humidity changes alter how the product behaves on customer lines. We pilot new packaging or container linings to minimize these effects. Customer complaints about caking or condensation prompt quick feedback loops—continuous improvement does not wait for a third-party report.
Manufacturers turning to us get support from people with practical production line experience. We provide not only analysis certificates, but also on-site troubleshooting when pigment appears off-spec. Color matching, recipe adjustment, and blending tips help customers get the most from our product, especially when moving to new applications. We see front-line engineers and operators as critical partners; our technical reps bring back actionable ideas for upstream changes.
Plant managers pressing for efficiency gains often consult us on bulk pigment handling. We help redesign feeding systems, optimize hopper angles, and select compatible mixers. Some find meaningful value in shifting from powder to bead form, not just for dust control, but also to adapt to specific feeding equipment. The right product form brings subtle but real differences in production rates, especially at larger scale.
Medium pigment carbon black occupies a vital spot between basic carbon and high-end specialty blacks. As manufacturing moves to automation and higher throughputs, products requiring minimal line adaptation and delivering expected results each time become invaluable. We respond by continuously modernizing our plants—refining reactor design, control systems, and shipment traceability.
Our focus remains clear: support industries needing dependable bulk pigment for dependable products. Manufacturers working with medium pigment carbon black see fewer surprises on the line, more predictable costs, and product output that matches real-world targets. From cables to plastic sheet, from hoses to packaging, our experience finds that medium pigment grades drive daily productivity far more reliably than ultra-specialized or low-ball commodity alternatives.
Medium pigment carbon black is shaped by decades of production, testing, and close industry partnerships. Its strength lies in delivering consistent results, manageable costs, and simple adaptation to the requirements of fast-moving industrial lines. By holding a solid balance between performance and practicality, our plant continues to make grades that thousands of manufacturers rely on worldwide—the backbone of workhorse black coloring, every day, batch after batch.
