|
HS Code |
367065 |
| Chemical Formula | C |
| Appearance | fine black powder |
| Color | black |
| Odour | odourless |
| Melting Point | sublimes at 3915 °C |
| Density | 1.8 g/cm³ |
| Solubility In Water | insoluble |
| Particle Size | 10–500 nm (typical range) |
| Conductivity | electrically conductive |
| Main Applications | reinforcing filler in rubber, pigment in inks and paints |
| Production Method | incomplete combustion of heavy petroleum products |
| Cas Number | 1333-86-4 |
| Molecular Weight | 12.01 g/mol |
| Ph | neutral |
| Flammability | combustible |
As an accredited Carbon Black factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Carbon Black is typically packaged in 25 kg multi-ply paper bags or bulk bags, labeled with product name, manufacturer, and hazard warnings. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL) for Carbon Black: Typically loaded in 10-11 metric tons, packed in 25 kg bags or jumbo bags, palletized/unpalletized. |
| Shipping | Carbon Black is typically shipped in multi-layer paper bags, flexible intermediate bulk containers (FIBCs), or bulk tankers. The material should be stored in a dry, well-ventilated area away from sources of ignition. Proper labeling and handling precautions are necessary to prevent dust formation and ensure safety during transport. |
| Storage | Carbon Black should be stored in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible substances such as strong oxidizers. Keep the container tightly closed to prevent dust dispersion. Use only non-sparking tools during handling, and ensure proper labeling. Storage areas should be equipped with proper fire suppression systems due to the combustible nature of Carbon Black dust. |
| Shelf Life | Carbon black typically has an indefinite shelf life if stored properly in a dry, cool, and well-ventilated environment, away from moisture. |
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Surface Area: Carbon Black with high surface area is used in tire manufacturing, where it enhances abrasion resistance and traction. Particle Size: Carbon Black with fine particle size is used in automotive coatings, where it imparts superior jetness and dispersibility. Purity Level: Carbon Black with 99% purity is used in electrical conductive plastics, where it provides high electrical conductivity and uniform dispersion. Structure: Carbon Black with high structure is used in printer inks, where it offers improved color intensity and printing resolution. Ash Content: Carbon Black with low ash content is used in food packaging polymers, where it ensures product safety and compliance with regulatory standards. pH Value: Carbon Black with neutral pH is used in cosmetic formulations, where it reduces the risk of skin irritation and enhances pigment stability. Oil Absorption: Carbon Black with high oil absorption is used in rubber compounding, where it improves tensile strength and elongation properties. Stability Temperature: Carbon Black with high thermal stability is used in high-temperature resistant cables, where it maintains conductivity and integrity under heat stress. Moisture Content: Carbon Black with low moisture content is used in powder coatings, where it prevents clumping and ensures uniform application. Tint Strength: Carbon Black with high tint strength is used in automotive paints, where it delivers deeper and more consistent black coloration. |
Competitive Carbon Black prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615380400285 or mail to sales2@liwei-chem.com.
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Tel: +8615380400285
Email: sales2@liwei-chem.com
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Pulling together hydrocarbon feedstock and controlled combustion, carbon black production takes more than just firing up reactors. It takes years of experience, plenty of stubborn troubleshooting, and deep respect for the material at every stage. Our reactors aren’t run on autopilot; the operators analyze flame temperatures and tweak air flow. Every hour brings a new challenge, from moisture shifts in feed to subtle variations in particle morphology. Long story short, getting the carbon structure just right eats up a lot of attention.
Our Carbon Black falls into multiple grades. For example, the N330 grade pulls the highest demand in tire tread and industrial rubber. The N550 grade finds a home in inner liners or tubes, all thanks to its special particle size and reinforcing ability. If clean color matters most, such as in coatings or printing inks, the specialty high-jet blacks come off a separate production line—those need every bit of our filtration and after-processing muscle. These differences are born in the reactor, then cemented by downstream handling, never by accident.
To build a quality product, you need to know your particles. Virtually no two carbon black particles look or behave the same unless the process is nailed down. A small slip in temperature or feed ratio and you see it right away—low structure, poor tint, even beads that crumble. The N220 series has smaller particle size, giving a higher surface area. That impacts tensile strength and abrasion resistance—key for performance tires. N660, with a larger particle, flexes better but doesn’t reinforce as much. These differences can make or break a compounder’s results.
Lab tests only tell part of the story. Our product line is dialed in through real-world feedback. Rubber manufacturers let us know fast when a batch isn’t dispersing as it should in their mixer. Ink makers never forget stray grit or inconsistent coloring. With every new drum we ship, we get another chance to prove whether all those in-plant adjustments matter.
Not every feedstock creates the same carbon black. Some oils bring high sulfur, some burn dirtier, most need filtration before entering our lines. Routine breakdowns in raw hydrocarbon supply demand we get creative or lose yield. Developments in our filters and feed lines constantly evolve, based on what the market throws at us and what we learn from each run.
Particle size, structure, and surface chemistry cannot get forced after-the-fact. Batch after batch, tweaks in reactor conditions eat up plenty of operator brainpower. A process engineer’s best weapon is instinct, informed by thousands of runs—not just spreadsheets. If one shift leaves more aftertreatment residue or runs the flame a bit cooler, product performance shifts in ways only rubber chemists will notice. Over time, as downstream users send in results, we get a fingerprint for each modification.
Inside rubber factories, the smallest variance in carbon black impacts dispersion, viscosity, and ultimate in-use performance. Tire plants run batch and continuous mixers that heat up past 150 degrees Celsius. To get even distribution, they need particles that wet-out well but don’t clump. With poor structure or moisture issues, mixing times spike and compounds misbehave. The tire’s grip, abrasion life, and rolling resistance all rely on this early, invisible step.
Manufacturers counting on us for plastics or masterbatch applications look for different traits altogether. Conductive carbon black, produced specifically with narrow particle size and pore distribution, jumps into wire and cable jacketing. Loading levels vary, but getting conductivity every time demands our line never drifts. Unlike tread grades that reinforce, these require a sharp eye for surface treatment and the right coupling agents.
Pigment specialists in the ink and coatings business take no prisoners when it comes to color consistency. Mere traces of unfiltered grit or oxidized residues destroy print sharpness. Their products land on food packaging, book covers, or high-end automotive paints, so product purity rules above all. At our plant, that sets the bar for how we polish, sieve, and handle specialty blacks. Every batch gets checked for color strength, and the wrong tint means wasted freight and dock delays.
Producing carbon black is one half of the job. Handling the finished product, right down to the truck loading spout, separates true producers from the rest. Carbon black beads pick up moisture, shed dust, and sometimes compact in storage. If we take shortcuts on silo design or ignore conveyance speed, the product degrades en route. Fines increase, dust flies at discharge, beads might shatter under too much impact. Every step calls for hands-on vigilance: watching for bad bags, listening for brittle beads, tracking small weight losses batch after batch.
Plenty of manufacturers treat post-production as an afterthought. Our team sweats over details, from bagging to pallet stability, all because we hear about it fast if something goes wrong downstream. Customers negotiating tight manufacturing windows suffer every time logistics slow their end of assembly. Our goal: zero surprises between loading and application.
It can be tempting to lump carbon black in with graphite or activated carbon. In reality, their structures and applications look nothing alike. Carbon black builds up by combusting hydrocarbons under controlled air, yielding a fine, nearly spherical aggregate. Graphite forms in high-temperature geological processes and stacks in layers, ideal for lubrication and batteries. Activated carbon offers high porosity for absorption, not physical reinforcement.
If someone tries to substitute one carbon form for another, performance drops off. No amount of grinding graphite matches the reinforcing behavior of our N326 or N772. Activated carbon disintegrates under mixing, never standing up in heavy-duty rubber goods. Only carbon black offers the unique combination of color, conductivity, reinforcement, and UV protection that wide-scale industry asks for. Our facility has spent decades refining this distinction; we know where others fall short and why product-specific knowledge matters.
Claims about “dust-free” or “zero loss” production usually miss some reality checks. All bulk powder processing involves escape points. Venting, dust collection, and bead control systems take priority. We re-invest year after year in sealed conveyors, modern dust filters, and environmental capture equipment—not because a regulation appears, but because our neighbors and employees insist on it. Leakage into shipping drums gets logged and traced back to loading teams. Each kilogram that walks away as waste isn’t just revenue lost; it can mean headaches for those unloading it at the plant.
Moisture control always strains the best made plans. Carbon black’s surface absorbs water and atmospheric humidity quickly, which means batch pickup and delivery schedules never stay fully predictable. A rainy loading bay slows handling down. Cross-contamination risks arise if our bags or silos aren’t kept under close watch. Success depends on daily discipline, not just equipment spec sheets.
Trends come and go: EV tires, new elastomers, high-durability plastics. The market flow dictates focus. Performance rubber compounding now leans hard on ultra-clean blacks with narrow bimodal curves. Wire and cable producers dial in conductivity above all. Coatings and masterbatch processors raise the bar for dispersion and jetness. Our product development happens directly with these teams, sometimes sharing pilot runs, always tight on confidentiality.
Promises about “one-size-fits-all” carbon black never meet with practical results. A N330 batch from us performing well in a truck tire won’t replicate that same way in food-grade plastics. Batch-level traceability, particle characterization, and on-site testing remain crucial to keep everyone satisfied.
Specification sheets rarely capture the full story of carbon black. Researchers might compare iodine numbers, DBPA absorption, or tinting strength, but the experienced processor wants to know about downstream behavior. They check how fast our black feeds through their screw, how consistent it stays across lots, and whether it creates issues for their end-user audits. We take feedback from failures as seriously as from glowing reports. After every blip in the process, notes flow back to production: don’t tweak this, keep an eye on that, and remember what happened last time.
We operate under ISO quality frameworks. The routine audits dig deep, but actual product consistency grows out of our sticky notes, quiet troubleshooting, old-fashioned phone calls, and walk-throughs at customer factories. Our process data never lives in a vacuum—real field use brings up insights you never get from a spectrophotometer.
Environmental regulations place a heavier load on manufacturers year after year. Shut-down notifications do not come from distant government offices; they come from local regulators who walk the line with us, check our filtration logs, and ask about secondary containment. We have shifted fuels, upgraded cyclones, and automated monitoring across reactors. Every investment gets weighed against long-term supply contracts and what our customers will absorb. Scrap handling, waste stream reduction, and emissions reporting keep every operator and process engineer busy.
Recycled content now features in customer requests. Our lab team screens reclaimed materials for incoming foreign matter, chemical compatibility, and batch performance. Plenty of the reclaimed product fails the standard tests, but continuous probing lets us find ways to close the loop and prove improvements. Market pressures drive technical innovation, but regulatory and safety compliance form the backbone for what qualifies as usable product.
Some customers need small-lot specialty blacks for high-gloss automotive coatings. Others push for volume stability across thousands of tons in tire plants. Successful partnership depends not just on the product, but on timely technical support, exacting release tests, and fast turnaround for batch adjustments. Shipping a custom-run N774 for a single customer’s new EPDM compound means pushing the limits on flexibility and predicting how those changes run through the mixing line.
Our technical service team doesn’t hide behind datasheets. They spend time in the field, side-by-side with compounders. Adjustments to bead size, anti-dusting agents, or packaging formats come from these front-line experiences. Not every manufacturer wants or needs the same grade, so our philosophy sticks to matching output with real process needs—not just what we can make efficiently. Plenty of work involves saying “no” to requests outside our capability, documenting tests that failed, and retooling lines to serve stable customers.
Industrial manufacturing never stays static. Each year, suppliers change, feedstock shifts, and market expectations reset. The lessons we take off the line fuel every process improvement. We add automated particle-size analytics, tweak combustion controls, train new operators, and cross-check every purifier’s output. Troubles flow from the oldest to newest lines, from the simplest N660 to the most specialized high-color blacks.
Documentation stays crucial, but the truth of our product lives in the hands of the operators who spot subtle shifts, maintenance teams who keep lines free of dust blockages, and shift managers who double-check every load. The customer wants the last batch to match the first, and every day is an exercise in making that happen while innovating.
Change comes quickly, and there’s no resting on technical reputation. Tire producers may call for new high-dispersion blacks, driven by rolling resistance demands. Polymer processors request improved flow or anti-static capabilities. Our line trials stick close to customer needs, regularly inviting their feedback on what actually works in the field. Collaborative R&D focuses our attention; isolated innovation gathers dust.
Every region brings its own challenges. Some locations demand more UV protection due to climate, driving us toward tailored surface modifications. Others focus on REACH or TSCA compliance—so our QA group regularly navigates certificates and third-party audits. Each market change lands directly in our process, from how we schedule reactors to how we invest in storage or packaging.
Plenty of players in the market handle carbon black as brokers, never owning the challenges of real production. As a manufacturer, the stakes mean more than just price per ton. We carry responsibility: keeping the line running, investing in zero-waste targets, and ensuring everybody’s safety. Each grade—be it N220, N330, or a fine specialty black—comes out of years of process controls and hundreds of tweaks. Every batch represents not just finished material, but all the lessons, investments, and team effort put into turning raw feed into dependable, market-ready carbon black.
Quality slips fast if the process team stops paying attention, if feedback loops break down, or if shipping and handling lose discipline. What industry relies on from us is more than consistent specifications; it’s the trust that every shipment stands up to the claims we make during plant visits and audits. That trust gets built on years of shared experience—not just on paper, but in every bag or silo we send out the door.
Carbon black production stands as a complex discipline rooted in manufacturing tradition and fed by new challenges. From the start of each batch to its arrival at customer plants, every step matters, every story behind each improvement shapes the end product. Customers can always expect us to meet the next challenge down the road, because they know the hands and minds behind every particle.