© 2026 Anhui Liwei Chemical Co., Limited,
All Right Reserved
|
HS Code |
311579 |
| Name | Carbon Black N234 |
| Type | Reinforcing carbon black |
| Color | Black |
| Iodine Absorption Number | 121 mg/g |
| Nitrogen Surface Area | 120 m²/g |
| Dbp Absorption | 114 cm³/100g |
| Particle Size | 28 nm (average) |
| Structure | Medium structure |
| Ash Content | ≤0.5% |
| Heating Loss | ≤1.0% |
| Tint Strength | 129% |
| Pour Density | 360 kg/m³ |
| Oil Absorption Number | 114 ml/100g |
As an accredited Carbon Black N234 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Carbon Black N234 is packaged in 25 kg multi-ply paper bags with inner polyethylene lining, ensuring safe, moisture-resistant storage. |
| Container Loading (20′ FCL) | For Carbon Black N234, a 20′ FCL (Full Container Load) typically holds about 10 metric tons packed in 500 kg jumbo bags. |
| Shipping | Carbon Black N234 is typically shipped in multi-ply paper bags, bulk bags (FIBCs), or as loose bulk. The product should be kept dry and protected from moisture. During transportation, ensure containers are well-sealed and labeled, complying with relevant regulations. Proper handling prevents spills, dust generation, and contamination. |
| Storage | Carbon Black N234 should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and sources of ignition. Keep the material in tightly closed, labeled containers to prevent contamination and dust formation. Avoid storage with strong oxidizers and ensure good housekeeping to minimize fire risk. Use non-sparking tools and implement proper dust control measures. |
| Shelf Life | Carbon Black N234 typically has an indefinite shelf life when stored in cool, dry conditions and unopened packaging, avoiding contamination. |
Competitive Carbon Black N234 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!
Day in and day out, production lines across the world demand reliable, versatile fillers for rubber applications. Among dozens of options, Carbon Black N234 continues to stand out for tire and mechanical rubber goods manufacturing. Over years of producing this product, we’ve seen why it holds a special spot, especially in the tread and high-performance segments. Working with carbon black means watching subtle shifts in structure, surface area, and particle size translate into real-world performance. For N234, those parameters have landed in a sweet spot that’s hard to match for wear and abrasion applications.
Everyone in the industry knows carbon blacks come in a range of grades, each with its quirks. Some deliver high reinforcement, some bring flexibility, and others offer easy processing for lower-stress products. N234 positions itself right between the ultra-high tread-wear resistance and the more economical, softer grades. Its structure and surface area result in a compound that resists abrasion without sacrificing processability or making the rubber too stiff.
We see tire manufacturers return to N234 for high-traction compounds—summer and all-season treads especially. The correlation between its iodine adsorption value and tensile strength hits the mark for balancing grip and longevity. On the shop floor, extrusion and mixing equipment operators appreciate consistent dispersibility without endless kneading. There’s nothing theoretical about these outcomes. The lift in performance on the road or in precision parts comes straight from the way N234 interacts with polymers.
Through granular production—versus powdery forms—we provide N234 to minimize dust and maximize feeding accuracy. While surface area and structure remain constant, the change in form cuts loss and workplace dust exposure. We’ve worked side by side with process engineers who prefer granule for pneumatic conveying and batch weighing. Our long-term partners in tire plants and conveyor belt factories often specify the granule structure to keep lines clean and up to modern safety standards.
In rubber mixing, compounders want assurance that the carbon black integrates fully and predictably, batch after batch. N234’s surface chemistry helps it blend smoothly without unmanageable viscosity or dry spots. Looking back over decades, we watched the transition from open mill blending to closed internal mixers. N234 stays compatible with both, offering flexibility for evolving production setups.
Tests show that N234 consistently helps tread compounds reach a blend of abrasion and tear resistance unattainable by softer grades. In our experience with OEM tire plants, the wear resistance can sometimes stretch tread life by measurable kilometers over grades like N220 or N330. Lab tensile and elongation results back this up. For conveyor belts, anti-vibration pads, and specialty rubber parts under constant friction, N234 lends mechanical strength without introducing excessive heat buildup. We’ve supported custom projects where customers pushed their blends to extremes—high-speed racing, off-road tires, or industrial hoses facing harsh conditions. In each, the measured improvement points back to the balance built into N234’s morphology.
Surface area lands slightly below some ultra-high-performance grades, but that translates to a mix which isn’t so tough to process. Compounders can dose their filler content for excellent reinforcement without crossing the threshold where processing slows or product flexibility suffers. In practical terms, a tread compound with N234 undergoes molding and curing efficiently, giving processors a predictable window between green strength and final hardness. This level of control attracts companies making large runs and niche specialty lots alike.
The question comes up every time a new project launches: Why choose N234 over N220 or N330? In practice, the difference starts from balance in the microstructure. N220 tends to push maximum wear resistance, but it often makes for a more difficult to work with, higher viscosity compound. Process engineers juggling machine speed and energy costs notice this tradeoff. N330, on the other hand, processes much more easily but compromises a bit on wear and modulus.
We’ve watched compounders experiment with hybrid mixes, trying to capture the high wear resistance of N220 along with easier processing of N330. N234 sits right between these two. This balance translates to real efficiency on the line and in product life. For many, N234 ends up as the default for premium consumer tires, off-the-road segments, and ultra-high-performance vehicle tires where both performance and process stability matter.
Batch after batch, we’ve refined our own production processes for N234. From furnace conditions to pelletizing technique, tiny details shift performance at the customer end. Years ago, we saw how inconsistent granulation could throw off compound homogeneity and feed rates. Now, our granulation steps maintain a balance between hardness and granule cohesion, so operators don’t face bridging or dust clouds. By listening to feedback from mixing rooms, we adjusted post-treatment to smooth out edges, reduce fines, and extend shelf life.
The devil sits in the details: air flow rates in our burners, selection of feedstocks, and temperature profiles during reaction. Our commitment to continuous improvement means our N234 keeps up with changing machinery, polymer blends, and safety standards. We know firsthand how new mixing plant automation or strict emissions laws force changes in supply. Our engineering team works hand-in-hand with production managers on customer sites, tuning specs to help keep lines running smoothly without expensive stoppages or surprises.
Real partnership means more than shipping pallets. For customers facing new challenges—tougher tread standards, chemical resistant parts, or new environmental legislation—we bring data, not guesswork. Our lab team shares particle morphology data, abrasion index comparisons, and tire wear results with customers. We walk factory floors, troubleshoot lines, and review real material curves instead of canned datasheets. Over the decades, this kind of trust keeps buyers coming back when new projects or plant upgrades demand a certainty that only consistent raw materials can provide.
Whether it’s a major tire producer scaling up for a new model or a custom parts maker chasing a tough tolerance, N234’s stability under pressure keeps lines moving and results predictable. On the purchasing end, supply chain managers tell us they only sleep well when year-to-year quality stays solid. Our routine batch control, internal audits, and R&D cooperation aren’t abstract policies—they’re a direct response to the everyday reality of high-volume, high-specification production.
Changes in regulatory landscapes shape our production methods just as much as market demand. We see the growing need for reduced emissions, both in our furnace operations and for customers looking to lower their carbon footprint in finished goods. Our facility invests in energy recovery and advanced off-gas treatment to keep up with legal and stakeholder expectations. Routine emissions testing confirms our commitment isn’t just words; we keep sulfur and particulate discharge comfortably inside permissible limits.
N234 fills a critical role here. Its well-defined granulation and lower dust levels help downstream processors comply with workplace air standards, especially in plants shifting toward automation and employee exposure monitoring. On our end, we’ve moved toward feedstock recycling and process water reuse, which reduces waste and risk. Customers leveraging our technical information have built leaner, cleaner processes that draw positive notice during certification reviews.
Of course, industry-wide, the push toward sustainability means that material recyclability and reusability get more attention every year. The stable structure of N234 resists breakdown under recycling cycles, which means rubber reclaimed from tire treads can retain some reinforcement value. This feature supports closed-loop systems where old tires become feedstock for new construction, reducing both input material demand and landfill load.
Disruptions don’t just stop production lines—they erode trust. Over decades, we learned that big names and small specialty shops alike care more about batch-to-batch consistency than flashy marketing claims. As a direct producer, we control our supply chain from carbon feedstock to shipping. This vertical integration gives us levers to respond quickly during spikes in demand or feedstock shortages.
Our internal tracking system logs every lot, from chemical profile to shipping timeline. If an issue arises down the line, our technical group connects quickly with supply managers, ensuring fast replacement or adjustment. Large buyers appreciate that they’re not dependent on a multi-level distributor chain prone to miscommunication and delays. For smaller buyers, buying direct from the producer means tailored support, technical visits, and a dialog that goes beyond commodity transactions. We see repeat business as the strongest evidence that this approach works for both sides.
Innovation doesn’t pause for tradition. We work closely with leading developers of connected tire technologies, self-healing polymers, and composites with engineered surfaces. The well-established particle size distribution and reinforcing structure of N234 provide a dependable baseline from which R&D teams can tune new compounds. Our engineers often collaborate to test new coupling agents, silane systems, and hybrid fillers. In these new blends, the consistent profile of our N234 simplifies troubleshooting and performance mapping.
For electric vehicle tires, where rolling resistance and abrasion take on new meaning, compounders use N234 as a reference for balancing grip, lifetime, and noise. In sports and off-road segments, adaptive treads with alternating hardness regions deploy N234 to hold up under repeated deformation. Unlike newer experimental blacks, users know exactly how recipe changes feed back into their end-use products. We help labs simulate years of field performance in weeks, bridging the gap between open-ended innovation and dependable production.
No product operates in a vacuum. Extreme weather events, swings in energy prices, and tightening standards require ongoing investment in both plant and process. Our production facility builds in redundancies at every stage, from feedstock supply to quality monitoring. By embracing digital process control and running continuous auto-calibration, we reduce the risk of out-of-spec batches making it to customers.
One recurring challenge comes from evolving vehicle design: lighter materials, new tread patterns, and rapid prototyping all demand greater flexibility. N234’s middle-ground properties suit these shifts. We keep a feedback loop open, tracking how subtle recipe changes ripple into processing or performance. Repeated cycles of lab and customer site testing ensure that what we produce actually solves the problems rubber compounding teams face.
Even with all these efforts, unanticipated batch variability or shipping snags sometimes crop up. Our response team tracks the issue to source, communicates transparently, and ships rapid replacements. This hands-on approach comes from on-the-floor experience, rather than relying on abstract procedures. Trust is earned through each small response, not just in marketing claims.
Every trend we see—electrification of mobility, automation in plant floors, stricter environmental regulations—raises the bar for raw materials. N234’s versatility keeps it in demand, though we recognize the need for further improvements in both sustainability and technical capability. Our R&D team investigates modified production methods, integrating renewable or bio-feedstocks where feasible. As new tire and rubber standards emerge, we work ahead of the curve, revising protocols and sharing updates in real-time with partner plants.
Engineering materials for tomorrow’s roads, factories, and performance goods doesn’t leave much room for error. End-users trust suppliers who can show data, respond quickly, and support creative problem-solving. Through open communication, decades of hands-on experience, and dedication to improvement, we keep N234 at the heart of reliable, high-performance rubber compounding.
Every batch we ship benefits from feedback—the daily triumphs and challenges faced by rubber compounders and product engineers around the globe. N234 remains a go-to choice for developers requiring that sturdy blend of abrasion resistance, process control, and long-term durability. Our philosophy is simple: support products with practical experience, real-world data, and a willingness to collaborate through changing demands. Years spent in factories, in labs, and alongside tire builders have shown that material science isn’t just formulas on a page—it’s the culmination of persistence, attention to detail, and partnership. In this way, N234 continues to prove its value across old and new applications alike.
