|
HS Code |
322439 |
| Appearance | Black granules or pellets |
| Carbon Nanotube Content | 10-30% by weight |
| Carrier Resin | Thermoplastic polymers such as PE, PP, or ABS |
| Bulk Density | 400-800 kg/m³ |
| Electrical Conductivity | 10^3 to 10^6 S/m |
| Thermal Stability | Up to 400°C |
| Moisture Content | <0.5% |
| Melting Point | Depends on carrier resin, typically 120-170°C |
| Compatibility | Compatible with polymer extrusion and injection molding processes |
| Storage Conditions | Cool, dry environment away from direct sunlight |
As an accredited Carbon Nanotube Masterbatch factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The Carbon Nanotube Masterbatch is packaged in 25 kg net weight, moisture-proof, inner-lined kraft paper bags, secured for safe handling. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL) for Carbon Nanotube Masterbatch: Typically 10-12 metric tons packed in 25 kg bags on pallets, ensuring safe, stable transport. |
| Shipping | Carbon Nanotube Masterbatch is shipped in sealed, multi-layered bags or drums to prevent moisture and contamination. Packaging complies with relevant safety regulations. Containers are clearly labeled, and shipments are secured to prevent spillage or damage during transit. Standard shipping methods include road, air, or sea, depending on destination requirements. |
| Storage | Carbon Nanotube Masterbatch should be stored in a cool, dry, and well-ventilated area, away from direct sunlight, moisture, and sources of ignition. Keep containers tightly closed and properly labeled to avoid contamination. Avoid excessive heat and keep away from strong oxidizing agents. Store at ambient temperature to preserve material quality and ensure safe handling. |
| Shelf Life | Carbon Nanotube Masterbatch typically has a shelf life of 12–24 months when stored in cool, dry conditions, away from sunlight. |
Competitive Carbon Nanotube Masterbatch 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.
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Tel: +8615365186327
Email: sales3@liwei-chem.com
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Working in the specialty chemicals sector for years, we have watched many technologies claim big potential but struggle to deliver at scale. Carbon nanotube masterbatch stands out as an exception, not because of marketing noise, but because of its performance across industries and outcomes witnessed every day during compounding and final processing. Our own manufacturing lines have run dozen formulations through every type of polymer, from polyolefins to advanced engineering resins, and the adoption curve has been unmistakable: producers need enhanced conductivity, strength, and processability more now than ever. We designed our masterbatch not for academic interest but for the high expectations of engineers and production managers who face the daily realities of cost, waste, and quality assurance.
We offer several models, each targeted to a different polymer system and end-use demand. Years of bulk mixing, extrusion, and downstream application testing guided our product development. Take, for example, our CMB-Series compounds with carbon nanotube loadings ranging from 10% to 25% by weight and pellet carriers matched precisely to polyethylene, polypropylene, ABS, or polyamide matrices. This eliminates downstream handling steps and minimizes the familiar compatibility headaches that surface in traditional filler systems.
In direct feedback from automotive parts molders and ESD packaging converters, the ease of pellet feeding and robust nano-dispersion saves both time and headaches over dry powder or pitch-based alternatives. The proprietary powder-to-pellet approach, coupled with our twin-screw compounding lines, ensures every lot performs the same from the first bag to the last. Not every masterbatch is the same, even if they claim similar spec sheets. Differences appear in melt flow, filterability, batch stability under heat, and surface finish after molding. We have invested heavily in pilot-scale reactors and inline monitoring to ensure our masterbatch performs in commercial plants, not just the lab.
Down on the production line, variables pile up fast—humidity, shear rates, regrind addition, machine speed—not one of them can be ignored. Our in-house teams have put the carbon nanotube masterbatch through injection molding, blown film extrusion, compounding with recycled content, and even advanced 3D filament production. The results are clear in terms of performance spread: resistivity values consistently meet target windows without overdosing the masterbatch. Compared to carbon black or conductive graphite, the loading necessary to reach 10⁴~10⁶ Ω/sq drops by at least half, often less. This translates to lower impact on polymer properties and cleaner extruder screens. Less downtime has always meant more throughput.
Lab data only tells part of the story. Those who have struggled with poor dispersion know that electrical performance falls off with minor agglomeration. We solved this problem with equipment and process choices: custom mixers, antistatic protected transfer, no shortcuts during cooling, and precise control over compounding temperature profile. Every bag ships only after passing not just conductivity QC but also assessments for dispersibility, melt flow impact, and color shift—because our customers care about finish as much as function.
Many manufacturers stick to the safe territory of minerals or graphite fillers, often because they have already built their line settings around these inputs. Carbon nanotubes entered the market with promises of exceptional properties, but dry powders proved treacherous—dust, health exposure, and batch-to-batch randomness. We watched these issues firsthand before switching to masterbatch forms for our own projects. With masterbatch, you feed a standardized pellet with the right concentration into your process, no mess, full traceability.
The safety profile matters. Carbon nanotube powders can become airborne and carry health concerns—few like dealing with dust-collection systems or OSHA monitoring. Our masterbatch approach puts the carrier resin between the operator and raw materials. This means safer workplaces and an easier pitch when qualifying new suppliers into established plants. Cost accountants appreciate waste reduction, production leads appreciate smooth running, and operators appreciate not hand-bagging powder.
We run every masterbatch through real-world extrusion and molding lines before release to double-check the absence of fines or un-dispersed nanotube clusters. Poorly made masterbatches from traders often contain inconsistent contents and surprise the user with clogs, degraded part finish, or failed ESD performance. Our vertical integration allows us to keep close watch on every ingredient and process step. This approach keeps alongside the best practices suggested by recognized industry groups and standards. Every customer who migrates to our masterbatch after a bad outsourced experience has cited better plant safety, reduced filter changes, and steadier throughput.
Over the past decade, antistatic and conductive requirements have moved beyond electronics to encompass packaging, automotive interiors, industrial piping, and textiles. Each sector brings new processing quirks and market expectations.
For example, automotive injection molders want black conductive trim parts that meet international standard resistivity while keeping their cycle times tight. Any increase in viscosity slows tool filling, which ripples down as extra cost. We've watched our CMB-series masterbatches run on all-electric and hydraulic presses, paired with ABS, PP, or PA6, and hold melt flow within narrow bands, letting those molders keep their cycles low and scrap rates down. The deep black finish, free from visible streaks or specks, has drawn repeat business from Tiers who cannot afford rejected lots.
In the blown film sector, especially for cleanroom and electronics packaging, the requirement pivots to clarity and ESD safety. Conductive carbon black often clouds film or drags down mechanical toughness—an unacceptable trade-off. With carbon nanotube masterbatch, converters see no powder dust, retain higher elongation at break, and pass international static decay time tests at lower additive loads. Fewer filter changes and longer uninterrupted runs translate to real labor and downtime savings, which matter at today’s razor-thin margins.
Many OEMs want third-party-certified ESD performance, which some suppliers try to meet by simply hiking up loading levels, sacrificing other properties along the way. We've kept our approach simple by fine-tuning the carrier-resin blend and extrusion temperature, which yields reliable performance without needing overfill. Our labs regularly send out parts to accredited ESD and mechanical testing bodies, and feedback cycles back into batch adjustments.
Supply chain disruptions exposed just how fragile raw materials can be for processors around the world. Our approach rests on several pillars: holding long-term supply contracts for nanotube raw materials, maintaining our own blending capacity, and investing heavily in material traceability. With this strategy, we have sidestepped the wild price swings that hit traders and have kept our order lead times stable even during surges in demand.
Too many processors fall prey to inconsistent supply from diluted or repacked product. Those disruptions have downstream costs: product failures, missed delivery schedules, unsatisfied clients. Since all our raw material blending and pelletizing occur at our facility, we control the quality at every step. Customers who audit our operations have seen the difference themselves—from the sealed blending rooms to the on-floor QC checks and batch documentation.
Some ask about sustainability. Because nanotube masterbatches enable lower loading while maintaining the same conductivity, they reduce the overall additive burden in every part or film. This cuts polymer use and brings practical, material savings—small differences, repeated over millions of parts, add up. We are actively pursuing waste recovery and secondary use programs for our trimmings and rejects, in line with global environmental directives.
Many processors have asked us to help with black streaks, poor surface finish, or uncontrolled static decay which arise when using conventional additive systems or when masterbatch quality falls short. Evaluating failures at customer sites has highlighted a few recurring issues: incomplete dispersion, non-uniform particle size, moisture pick-up before feeding, or incompatibility between base resin and carrier. Overcoming these demands more than just chemistry; it requires process discipline and decades of hands-on troubleshooting.
By investing in closed-handling systems and low-dust pelletizing, we remove contamination and moisture variables. Inline spectrophotometers and melt flow testers form checkpoints across every run, catching drift before finished production. Our troubleshooting team regularly visits customer plants to troubleshoot process parameters—screw speed, pickup temperatures, back pressure settings—until desired results lock in. This hands-on, on-site feedback loop has driven our improvements, feeding directly back into manufacturing instructions and operator training.
Batch-to-batch reproducibility is a frequent pain point with many carbon-based masterbatches, especially when components are sourced from global traders and blended without strict quality control. By vertically integrating and keeping mixing, pelletizing, and packing under one roof, feedback travels quickly from the plant to the lab and back. This approach doesn’t just serve claims to consistency—it makes a tangible difference in yield, product appearance, and operator satisfaction.
Manufacturers often measure progress by output per day, scrap rate, and complaint calls from clients. We get it because our own teams run production lines and face pressure to hit targets. Carbon nanotube masterbatch doesn't just outperform legacy additives on lab tests; it moves the needle in ways that matter to plant managers and floor supervisors.
In our experience, deployment of the right masterbatch yields a reduction in line stoppages for screen changes by over 30% compared to carbon black alternatives, documented across dozens of customer sites and across our own in-house operations. ESD failure rates drop dramatically—some of our best-performing lines logged fewer than one NC part per 10,000 units after switching to nanotube-based masterbatch. These are not remote stats; they show up in quality control sign-off sheets and post-run maintenance logs.
Time after time, plant audits confirm: fewer filter blockages, faster color changeovers, and skip-free cycling through different part sizes and molds. In bulk film extrusion, yields only improve when the masterbatch disperses rapidly under low shear and does not dry out the matrix polymer. The downstream effect: less waste, easier compliance with end-user ESD standards, and happier operators who spend less time handling dusty materials or rerunning bad parts.
Energy efficiency also matters. By getting target conductivity at lower gauge thicknesses and masterbatch loadings, processors cut both resin and energy input. Some users have reported line energy reductions of up to 8% after integrating our masterbatch, simply by dialing back extruder torque and stepping down filler load.
The industry will continue to evolve—new regulations, expanding markets for ESD protection, and rising pressure to green supply chains. Our track record suggests that the journey with carbon nanotube masterbatch has only begun. Partnerships with downstream users, early field testing, transparent technical guidance, and tight process control cement real improvements in supply security, commercial performance, and finished article quality.
We proactively follow both international standards and specific client test protocols, documenting every critical property for shipment and audit. Feedback from OEMs, compounders, and regulatory watchdogs loops immediately back into our production and quality programs. Because the field moves quickly, we invest continuously in both new material science and upgrading our own processing assets. Our R&D group runs frequent collaborations with universities and external labs, uncovering new catalytic processes for cleaner nanotube manufacture and safer end uses.
Looking ahead, we are pursuing integration of biodegradable or recycled polymer carriers, aiming to link excellent electrical and mechanical properties with sustainability. Close customer relationships help ensure these advances don't remain academic—they translate into batch runs measured by production reality, not just data sheets.
There is rarely a day without challenge in chemical manufacturing, and the landscape continues to push all of us to deliver more reliable, performance-driven, and safe products for ever-demanding sectors. We have no illusion about shortcuts—real advantage comes from scrutiny at every stage, heavy investment in equipment and people, and relentless attention to the operational details that make or break production lines.
Carbon nanotube masterbatch has delivered for our own compounding operations and for the many partners who tested its resilience across the extremes of modern manufacturing. Beyond the specifications and marketing, our success rests on delivering reproducible, plant-proven results that raise throughput, cut plant risk, and support advanced applications demanding targeted conductive and mechanical performance. Years at the bench and the mixer, alongside quality control teams and plant supervisors, have taught us that attention to granularity—not just at the materials scale, but in every step from sourcing to packaging—makes all the difference.
This journey is ongoing, and we're always learning from new setups, process variables, and client workshops. But the core lesson holds strong: better materials, delivered with discipline, consistently outperform hype or shortcuts. We believe carbon nanotube masterbatch has proven its place, not just in lab trials but in the hard business of everyday manufacturing.