|
HS Code |
607202 |
| Polymer Base | Polyamide (PA) |
| Carrier Resin | PA6 or PA66 |
| Color | Black |
| Carbon Black Content | 20-50% |
| Melting Point | 210-260°C |
| Particle Shape | Pellet |
| Dispersion | Excellent |
| Moisture Content | <0.15% |
| Heat Stability | High |
| Light Fastness | Good |
| Compatibility | Compatible with PA resins |
| Typical Usage Rate | 1-5% |
| Application | Injection molding, extrusion |
| Filterability | Good |
| Migration Resistance | High |
As an accredited PA Black Masterbatch factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | PA Black Masterbatch is packaged in 25 kg moisture-proof, polyethylene bags, ensuring safe handling and secure storage during transport. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL) for PA Black Masterbatch: Typically loaded at 20 metric tons per 20-foot container, packed in 25kg bags. |
| Shipping | PA Black Masterbatch is securely packaged in moisture-proof, sealed bags or containers, typically 25 kg each, to prevent contamination during shipping. The material is transported via pallets or containers, ensuring stability and protection from physical damage. Shipping is arranged based on customer location, with all necessary safety data provided. |
| Storage | PA Black Masterbatch should be stored in a cool, dry, and well-ventilated area, away from direct sunlight, heat sources, and moisture. Keep the packaging tightly sealed to prevent contamination and material degradation. Avoid exposure to strong chemicals or oxidizing agents. Proper storage ensures the masterbatch maintains its quality, dispersion properties, and processing performance for extended periods. |
| Shelf Life | PA Black Masterbatch typically has a shelf life of 12 months when stored in a cool, dry place, away from direct sunlight. |
Competitive PA Black 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.
We will respond to you as soon as possible.
Tel: +8615365186327
Email: sales3@liwei-chem.com
Flexible payment, competitive price, premium service - Inquire now!
Working with nylon compounds in our facility brings a clear set of challenges. Over the years, we have seen color consistency, heat stability, and flow properties make or break a production run. PA Black Masterbatch, designed specifically for polyamide (PA6 and PA66) resin systems, offers a direct answer to those challenges.
We blend carefully sourced, high-tint carbon blacks with nylon-compatible carrier resins. Using the right dispersion techniques prevents specks, streaks, and batch-to-batch variations. Many years on the manufacturing line have taught us to tune our extrusion conditions to keep particle sizes fine and coating thorough. This hands-on experience puts us in a position to immediately spot and fix the common color issues that can frustrate molders and extruders.
Our standard model, MB-PAN6-30, carries 30 percent premium furnace carbon black, lending a deep, high-strength shade. For specialized needs — electrical, automotive, or high-gloss parts — we offer grades with different carbon black percentages and tailored carrier systems. Because we control both the compounding process and the quality audits, we prevent contamination from foreign polymers and subpar pigments. This control means customers avoid color shifts under long-term use, especially where UV and thermal exposure emerge.
We manufacture our product specifically for polyamide processors, not as a generic solution for every polymer. From automotive cable ties and brackets to appliance parts and industrial housings, clients bring us unique blends of requirements: thermal resistance, tensile strength, color hold, and clean processing. If a cable management system needs a jet black finish with no trace of bloom, or if an engineering molded part faces outdoors exposure, we start our process with those end-use realities in mind.
Injection molding and extrusion lines put black masterbatches through tough conditions. Our product flows cleanly at PA processing temperatures, which range from 220°C to 300°C, without forming gels or leaving die residues that cut into uptime. We have seen untreated carbon blacks cause surface blemishes and weaken final parts. Choosing a masterbatch built on a polyamide carrier prevents those pitfalls. We never use cheap, incompatible waxes or fillers that can create phase separation at the machine barrel or die.
Compared to so-called universal masterbatches that claim compatibility from polyolefins to PET, our PA-specific black masterbatch holds its color and mechanical strength through repeated heat cycles. In the field, this means automotive under-hood parts stay true-black and functional across years of hot and cold swings. Customers building technical consumer goods (like power tool components) can count on moldings that resist fading and chalking, even under fluorescent lighting or sunlight.
We do not rely on guesswork or generic testing. Our own team manages every lot, from carbon black intake through mixing, pelletizing, and post-processing. Tight process control makes a difference on the shop floor. When an improperly mixed batch arrives at the customer’s plant, it can cause black spots, dullness, or even cause machines to clog. We have faced these issues ourselves, so we set our own bar higher. Each production run follows a schedule of color strength checks, melt flow analysis, filter pressure tests, and dispersion assessment under magnification.
Our masterbatch pellets are engineered for easy dosing. Processors on high-speed lines appreciate reliable feeding through gravimetric and volumetric systems. Because consistency matters, we keep the particle size distribution tight and stabilize the pellets to prevent dusting or bridging, both of which can disrupt automated dosing.
With each refinement cycle, we fine-tune our compounding and cooling stages. This protects the carbon black’s structure from being crushed and keeps the carrier resin molecularly intact. If cooling conditions are off, or the extruder vents poorly, even minor deviations show up downstream as shape distortion or incomplete pigment dispersion. Our line workers and engineers spot those subtle signs well before material ever leaves the plant. Their experience shapes every improvement, cutting costly rework for our customers.
Commercial buyers often ask about the differences between a specialized PA black masterbatch and an “all-plastic” black concentrate. From our standpoint, the answer rests in chemistry and field feedback.
Polyamide resins have strong polar bonds and high melt points, so they need a dispersing agent matched to their profile. General-purpose masterbatches may blend with polyethylene or EVA carriers, but these create streaks, reduced strength, and poor mixing in nylon. After exposure to hot water, heat, or repeated molding cycles, general blends often bleed, plate-out, or fade. Our product, made entirely on a nylon carrier, keeps chemical compatibility and physical toughness, even under aggressive molding cycles or outdoor use.
Practical evidence comes from returned parts we have analyzed. Black consumer connectors, made with mismatched masterbatches, softened and lost color in high-temperature dishwashers within months. Technical parts — fiber-reinforced brackets, cable sleeving, and electrical housings — made with our PA-specific masterbatch passed multi-year accelerated aging and cyclic wash tests. These outcomes convinced several tier-one suppliers to standardize PA black masterbatch across their nylon lines, since less colorant contamination meant less downtime, fewer rejected lots, and lower long-term warranty claims.
Our lab technicians study the interaction between carbon black surface area, structure, and carrier compatibility. They select each raw material for dispersion, tint strength, and minimal ash content. By running comparative tensile and impact tests, we validate that our compound keeps base resin properties as close as possible to pure nylon.
Our carbon black, sourced from established suppliers, meets tight specifications for particle size and surface activity. These factors control not just color, but electrical properties, UV screening, and thermal conductivity. For electrical conduit and wire jacketing, these factors often separate a successful performance in field tests from failed insulation or premature degradation. In every case, the most expensive outcome for the customer is an unseen carbon black agglomerate causing a brittle fracture or surface porosity months into product use.
With new research focused on halogen-free flame retardancy and improved thermal stability, we have developed blends that support regulatory compliance and stringent OEM certifications. Our team stays alert to global regulatory changes, especially as end product safety laws tighten in automotive and consumer goods markets.
Manufacturers want predictability: stable color with every order, simple mixing, and no compatibility surprises. We keep our focus on direct conversations with production leads and engineers. If a coil insulation supplier finds excessive die buildup in their extruder, we act quickly, pulling from our own shop-floor troubleshooting experience. Sometimes the root cause is masterbatch dosing, sometimes it traces back to incompatible lubricants — sometimes a blend adjustment is needed. We keep a history of such cases so future partners benefit as well.
For demanding sectors like automotive and electronics, batch tracing matters. We run our plant on integrated software that ties every shipment to its production log, pigment origin, and QA findings. This lets end users document compliance and gives us a clear ledger for dealing with any technical inquiries.
Some clients working on high-gloss finishes or technically advanced parts ask us to cut reflectance or to match aged nylon surfaces. We answer by modifying the carbon black choice or adjusting compounding temperatures. The direct involvement of process engineers at the manufacturing level — not just in the lab — allows us to provide authentic feedback on what will work on real machines. This personal approach often saves customers from long cycles of trial, error, and lost production.
End-users increasingly raise questions about environmental footprint, recyclability, and long-term health effects. Our in-house recycling process keeps off-spec material out of landfills and feeds it back into industrial products where color tolerance is less critical. We source carrier resins with full traceability and certifications, making sure downstream customers can meet health and safety requirements in consumer-facing goods.
By formulating without heavy metals, halogens, or volatile plasticizers, we align our product with regional and international standards. We routinely provide technical support and compliance documentation to brand owners and assembly manufacturers, helping them document their own supply chain transparency. Instead of offering just a technical spec, we support long-term market access for our clients.
We periodically reevaluate the toxicity profile and environmental persistence of our major ingredients. This means our formulations stay current with evolving science and customer priorities. Our ongoing investments in cleaner carbon blacks and lower energy compounding allow us to conserve resources and lower both emissions and energy consumption at our manufacturing site.
No product design stays static. We adjust to new molding machines, automation upgrades, and evolving testing standards. Processors still run into issues — hopper bridging on humid days, filter pressure spikes, pigment flocculation at too-high dosing rates. From our experience, the right answer lies not in generic manuals, but in shared feedback between our line operators and our customer’s staff.
Sometimes a switch to a new base polymer throws off pigment compatibility, or a process change reveals previously masked quality control issues. Our technical staff stay directly involved, offering process audits, retraining, and live troubleshooting. On a recent project, a customer shifting from PA6 to PA66 reached out because surface gloss and dimensional stability took a dip. Our on-site visit pinpointed a melt temperature mismatch and dosing equipment drift, which we addressed with new running parameters and a minor masterbatch adjustment.
Because we run our own compounding lines and stress-test every grade, our solutions reflect practical, lived-in knowledge, not just lab data. Every new customer requirement — anti-static enhancement, high-voltage insulation, laser markability, or improved surface finish — turns into an opportunity for further development, benefitting the entire product line.
Quality in masterbatch manufacturing runs deeper than marketing claims or minimal compliance. The cost of an unusable batch extends far beyond a refund or replacement; it leads to lost hours, customer dissatisfaction, and possible line shutdowns. With the demands facing global supply chains, especially in automotive and electronics, traceable, predictable ingredients prevent headaches at every level.
For over two decades, we have worked side by side with processors who value not just color, but how that color supports the performance and lifetime of their parts. That means defending against subtle threats too: thermal oxidation, hydrolysis, environmental stress, and cleaning cycle chemicals in real-world use. We routinely benchmark new batches alongside historic shipments, rooting out drifting properties before they reach the customer.
Our production staff understands how a visually perfect part sometimes masks inner flaws introduced by poorly dispersed pigment or trace moisture issues. By holding strict in-plant audits and close color checks under both natural and artificial light, we avoid surprises at the final assembly stage.
Trust comes from transparency, not from generic assurances. We invite partners to visit our line, review our production logs, and inspect our laboratory tests. Our open-book approach is designed for sustained relationships, not one-off sales. When customers need a custom solution, they know they have access to the real knowledge base — the hands who oversee every production shift.
Listening closely to plant engineers and technical managers gives us insights no market research can match. Every customer project leaves us with new information, often leading to further process improvement or new product development. Keeping that channel open means more consistent materials for everyone.
Direct feedback from users on the production line often challenges our assumptions. This process pushes our entire organization to level up — from operator to R&D staff — resulting in a stronger, more responsive masterbatch product.
As regulation tightens and end product designs grow more complex, masterbatch technology evolves in step. Lightweighting, energy reduction, and aggressive new resins drive the need for ongoing refinement. Our involvement from compounding to after-sales service gives us a real-world perspective on how PA Black Masterbatch must change to stay relevant.
We continually push forward with new blends, supporting fire resistance, lower energy processing, and improved pigment performance. Every shift in EU or Asian regulatory frameworks puts pressure on ingredients and processing practices; our dual focus on current output and future needs helps customers avoid last-minute scrambles or regulatory pitfalls.
Hands-on control over mixing and pelletizing allows us to immediately trial innovations and capture detailed results, avoiding the bottlenecks and uncertainty that come with off-the-shelf solutions. By remaining close to the material science and to the end-use challenges, we bring a unique value to our partners who require technical reliability and commercial confidence in their supply.
In high-volume plastics, cost savings and reliability arise from direct supply relationships. Middlemen cannot guarantee technical quality, consistent component sourcing, or process adaptability. By sourcing straight from our plant, customers gain not just continuity in specification, but detailed process knowledge, fast technical support, and the full weight of our manufacturing history behind every shipment.
For operations managing compliance audits, certifications, and traceability demands, our direct oversight of every lot supports both documentation and ongoing optimization. It also eliminates the uncertainty, markups, and fragmented communication paths that creep in through indirect channels.
Our commitment does not end at the sale; it continues with real support on processing trials, material handling questions, and process improvement initiatives tailored to evolving needs.
Years of producing PA Black Masterbatch have taught us that every technical improvement begins with hearing directly from those who use the material. Working as both producer and partner, we blend science, field experience, and customer goals to create a product ready for the real world. Each batch reflects not just our lab work, but the challenges and victories of thousands of production runs and customer collaborations. We remain dedicated to furthering this cycle — listening, adapting, and sharing what we learn — so our customers’ processes run smoother, parts last longer, and every shipment meets the mark.