Red phosphorus didn’t become a staple in plastics overnight. Back in the early 1800s, it began as a safer alternative to white phosphorus in match manufacturing, shifting away from dangerous options. As engineering plastics picked up steam in the automotive and electronics sectors, researchers searched for flame retardants that kept up with increasingly high safety standards, leading them toward red phosphorus solutions around the middle of the twentieth century. Industries demanded better performance from polyamides like PA6 and PA66, but conventional options either compromised mechanical strength or released toxic gases when burning. Laboratories around the globe started working on incorporating red phosphorus into masterbatches, so factories could introduce effective, stable flame retardancy deep into plastics without giving up durability. Trial and error in extrusion and polymerization led to specialized masterbatch products designed for efficient mixing and consistent performance.
Anyone working with polyamide composites will have seen or handled a red phosphorus masterbatch meant for nylon grades. Unlike powder forms of red phosphorus, the masterbatch is safer and easier for workers to manage and dose on the production line. It comes in pellet or granule form. Encapsulation techniques stop the phosphorus from being exposed to direct air or moisture in the plant, drastically cutting down on dust and spill risks, which matters a lot for operational safety. Suppliers often use advanced polymer carriers, sometimes a PA6 or PA66-compatible resin, that doesn’t interfere with the base plastic. This ensures proper dispersion and bond between the flame retardant and polymer matrix, so mechanical and electrical properties stay up to standard.
Red phosphorus stands apart from its white and yellow siblings in terms of safety and stability. This allotrope doesn’t ignite as easily, has no strong smell, and doesn’t sublimate or evaporate under normal storage. In masterbatch form, it’s trapped inside thermoplastic polymer shells at a loading typically between 20% and 50% phosphorus, depending on the intended end use. It resists leaching out of the compound and won’t corrode steel equipment or die faces, provided pellets stay dry. Once compounded in the final plastic, red phosphorus forms a char layer when the material faces fire or heat, blocking oxygen from stoking the flame and slowing down the spread of burning. The masterbatch handles processing temperatures around 250-320°C, which matches up with common nylon manufacturing windows, so compounders don’t worry about thermal decomposition during production.
Manufacturers supply extensive datasheets outlining phosphorus content, carrier resin type, particle size, pellet dimensions, moisture tolerance, melt flow index, and bulk density. Some masterbatches include stabilizers, antioxidants, or polyolefin additives to increase storage life or processing stability. Regulations in the EU, US, and Asia require clear labeling on bags and barrels, including hazard pictograms, handling instructions, and shelf-life dates. End users rely on these details, because proper dosing and storage prevent issues on the molding floor and support compliance in downstream products. Red phosphorus masterbatches certified to international flame retardant standards (UL94 V-0, for instance) routinely earn preference in automotive connectors, electrical housings, and high-demand components.
Producing a high-performance red phosphorus masterbatch takes a combination of good chemistry and careful extrusion. Mixing phosphorus powder with powdered or pelletized carrier resin, then running it through a twin-screw extruder at controlled temperatures, forms uniform granules. Encapsulation agents (wax, synthetic polymers, or inorganic coatings) sometimes go into the mix, forming a tight shell around the red phosphorus particles. This keeps out atmospheric moisture and extends shelf life, meaning processors can store masterbatches for months without degradation. Some production lines add a vacuum phase to pull out trapped gases, which further improves pellet stability and lowers smoke generation in later use. Large operators run rigorous in-house and third-party checks: microscopy, phosphorus distribution analysis, particle size spread, and flame retardancy tests on the compounded plastics before shipping off orders.
Red phosphorus doesn’t simply sit idle in the plastic. When PA6 or PA66 meets high heat, red phosphorus helps build up a cross-linked char layer on the burning surface, stopping oxygen from getting in and slowing the release of flammable gases. Additives like melamine cyanurate, zinc borate, or synergistic flame retardants get blended in, which enhances phosphorous' charring and scavenges free radicals, boosting fire resistance without tanking toughness or electrical insulation properties. Some suppliers tweak the polymer shell or modify the phosphorus with surface agents to further limit migration or interaction with polyamide’s water uptake, fighting off hydrolysis over years of real-world service.
Red phosphorus goes by several technical names and product codes in the supply chain: Phosphorus, Red; Phosphorus Allotrope; RP Masterbatch; Flame Retardant PA6/PA66 Masterbatch; Encapsulated Red Phosphorus; and certain proprietary trade names. International chemical catalogs track red phosphorus as CAS No. 7723-14-0. Search for “PA6 Red Phosphorus Masterbatch” and you’ll get listings from dozens of global players, each offering blends tuned for different melt points, mechanical needs, or compliance regimes.
Factory floor safety around red phosphorus masterbatches has improved dramatically thanks to encapsulation and smarter packaging. Dust explosions, long an issue with raw red phosphorus, essentially vanish with the pelletized product, provided storage rooms stay below 40°C and relative humidity. Workers stick to standard personal protection: gloves, goggles, dust masks during batch changes. Emergency protocols demand that spills get swept, not vacuumed, to avoid static buildup, and stored material sits away from oxidizers, nitrates, and open electrical sources. Handling certifications and regular training reinforce safety habits. Facilities invest in air monitoring and leak detection, since phosphorus vapors at high temperature can threaten health. Disposal follows hazardous waste guidelines—nobody throws leftover compound in the landfill.
You don’t have to squint at an electrical panel, car engine bay, or high-end consumer gadget to spot red phosphorus masterbatch at work. Automotive connectors sit next to gasoline lines, demanding relentless flame resistance but also flexibility and strength. Cable jacketing harnesses these pellets to protect wires and fibers in high-heat, high-friction zones. Industrial terminal blocks, relay covers, plug-in boards, circuit breakers—all claim a share of the flame-retarded polyamide market. With rise of electric vehicles, charging brackets and battery casing plastics depend on this technology to dodge recalls and insurance liabilities. Appliances—coffee makers, cooking equipment, power tools—use PA6/PA66 recipes that lean on red phosphorus for both fire safety and regulatory compliance, especially as international demand for safer home products climbs.
Laboratories and pilot lines continue to push the boundaries of what red phosphorus masterbatch can achieve. Research teams at universities and industrial institutes work on next-generation encapsulation methods that push water resistance even further, targeting applications in outdoor or humid environments. Some studies focus on reducing or eliminating secondary flame retardants to streamline recipes and cut costs. Others seek to stop chemical interactions between the phosphorus compound and transition metals that may catalyze aging of the polyamide chain in harsh electrical environments. New carrier polymer choices have emerged in the past five years, shifting toward improved melt viscosity and reducing the environmental footprint of masterbatch manufacture. Conferences regularly showcase breakthroughs in additive synergy, especially combinations that cut down on smoke and toxic gas emissions in lab fire tests, squaring up with new environmental safety rules coming from North America, Europe, and East Asia.
Toxicologists studying red phosphorus have long pointed to the lower acute toxicity compared to white or yellow phosphorus, but the risk doesn’t drop to zero just because it’s encapsulated. Fire scenarios release phosphine gas and other by-products, which threaten workers and end-users in the case of major electrical failures or fires. Researchers have mapped out exposure routes in processing plants: ingestion is rare, inhalation and skin contact matter more. Chronic studies on laboratory animals and industrial accident reports have pushed international agencies to set strict workplace exposure limits and emphasize air handling systems. Regular employee health monitoring helps spot early signs of overexposure. Ongoing work tries to further lower migration of phosphorus or breakdown chemicals into food or water contact parts, aligning with rapidly tightening global consumer safety laws.
Looking forward, demand for red phosphorus masterbatch in PA6 and PA66 won’t shrink. New electric mobility systems, energy-efficient building standards, and a planet hungry for safer electronics all stoke innovation in flame-retardant plastics. Biomass-derived encapsulants, smarter carrier resins, and digital twin technology for process control all float on the research horizon. At the same time, emerging environmental regulations challenge the industry to balance fire prevention with chemical safety and recyclability. Circular plastics streams complicate life for careless compounders, so tomorrow’s suppliers push for locked-in, ultra-low-leaching designs. Whether in city grid upgrades, EV infrastructure, or the next generation of consumer go-to gadgets, red phosphorus masterbatch is set to maintain its spot at the core of polyamide fire safety—if the folks in lab coats and shop floors keep adapting alongside.
Plastics like PA6 and PA66—think of them as nylon commonly found in everything from car parts to electrical connectors—have a bit of a problem with fire. If they catch a spark, they go up pretty fast. That’s not just a hassle for manufacturers worried about products melting down; it’s a very real risk for anyone using those parts at home, on the road, or in the office.
Red phosphorus plays a special role here. A masterbatch is just a way to add ingredients like pigments or additives to plastics neatly and safely, and red phosphorus comes prepped this way. It's not just tossed in as powder, but locked inside little pellets, so it mixes into melted nylon without dusting the air or sticking to the technician’s hands.
Now, most people don’t think about masterbatch in their day-to-day routine, but there’s a reason engineers lean on it. If you’ve ever wondered why a power tool, a plug, or an electrical relay housing doesn’t melt or burn when something goes wrong, you’ve run into the work of flame retardants. Red phosphorus stands out, especially in glass-filled nylon—the type you see in tough, heat-resistant applications—because it delivers strong fire suppression without making the plastic brittle or cutting down its strength.
Having built electronic gadgets in my garage and worked with folks who fix up cars, I’ve seen how a tiny shortcut with fire safety can lead to some nasty surprises. A material might tick all the boxes for strength, cost, or flexibility, but if it lights up too quickly, that’s a deal-breaker. Red phosphorus won’t grant full invincibility, but it curbs the violence of burning—turning what could become a fireball into slow charring or self-extinguishing.
It’s not a perfect answer. Red phosphorus has to be handled carefully. If water or oxidizers get in the mix, things get dicey. Manufacturers use tightly sealed packaging and control the production floor to keep it stable. Plus, red phosphorus avoids halogen chemicals, so parts treated this way won’t fill the room with toxic smoke if flames break out. That’s a win for both workers and the people at home or work.
Europe, Asia, and North America all see tougher fire standards for plastics every year. Electrical parts, car engines, home appliances—these all face scrutiny. In my experience, a supplier who stays on top of these trends keeps their customers out of newspaper headlines for all the wrong reasons. For companies, red phosphorus masterbatch is the tool that helps hit regulatory marks without blowing up the budget or totally rethinking designs.
Of course, we can’t rely only on better chemicals. Engineers balance everything: material choices, wall thickness, part geometry, and assembly. But this masterbatch gives them a straightforward, reliable step up in protection. When I look at a well-made electrical part that resists burning, I think about the blend of know-how and chemistry that went into it. The peace of mind? You can’t put a price on that.
Blending red phosphorus masterbatch with polyamide resins like PA6 and PA66 isn’t a job for guesswork. Those who’ve watched a production line grind to a halt after a batch fails flame testing will understand that the stakes aren’t just about passing some standard; they’re about safety, performance, and making parts you can stand behind. On paper, red phosphorus stands out for its solid flame-retardant kick, but the correct dosage draws the line between effective reinforcement and future headaches.
In practical terms, most processors run red phosphorus masterbatch for PA6 and PA66 in the 5% to 10% range by weight. Go too low, and flame resistance often won’t cut it. Push much higher and you open the door to issues: poor surface finish, unwanted odors, or even corrosion inside molds and screws. Documentation from established masterbatch suppliers supports this range. Back in the early days of my career, I saw a line manager toss out big numbers, thinking higher loading would mean extra safety. Instead, what followed were broken pins, contaminated products, and hours of lost productivity.
One reason this range remains so steady comes down to maintaining the mechanical bite of the base resin. Red phosphorus introduces a powerful flame-retardant mechanism, but overload the compound, and suddenly toughness, elongation, and impact resistance suffer. Nylon users expect reliable mechanical properties, especially for automotive connectors, circuit protection, or appliance parts. I’ve lost count of the test parts that shattered under routine handling, all because the flame-retardant loading blew past the ideal.
Red phosphorus doesn’t play nicely with moisture. Even slight humidity in raw materials or the workshop can trigger dangerous reactions. Correct masterbatch dosage helps avoid side effects like corrosive gases, which attack metal machine parts over time. I’ve dealt with extruders showing premature wear, the internal metals compromised from excess phosphorus escaping at the wrong dose. Processing at too high a temperature also ramps up these problems, so the safe bet isn’t just about how much to add, but how to keep both time and temperature in check.
Each application draws its own line. Cable sheathing usually lands on the lower end—think 5%—while connectors or thick components might stretch closer to 8%-10%. If a customer wants insulation for electrical housings, 7% often gives strong ratings without hurting toughness. The right numbers almost always come from small-run trials matched with lab testing. Predictions mean little if the final parts don’t pass UL94 V-0 tests or meet tensile strength requirements.
Nobody wants blown molds or rusted screws. Tackling these risks calls for regular maintenance after running high-phosphorus jobs and using stabilizers or antioxidants that the supplier recommends. A few cents invested upfront in preventative measures saves thousands down the road on repairs and rejected lots. Careful resin drying, temperature control, and steady record-keeping spare a lot of stress over the long haul.
Chasing a recommended dosage for red phosphorus masterbatch in PA6 and PA66 feels simple at first. From experience, the real challenge lies in tuning the numbers for your plant, your tools, and your parts. Leaning on supplier data, running real-world tests, and keeping a close watch on both quality and maintenance—this approach builds reliability, part after part.
Red phosphorus masterbatch shows up in flame-retardant plastics, electronics casings, and wires. Anybody handling this stuff—plant tech, small operation, or seasoned chemist—faces a material that carries real risks. People get so focused on fire retardancy that the details around safe handling get ignored until something goes wrong. I once watched a crew near-miss an accident simply because they used the wrong gloves. That’s not the sort of lesson you want to learn twice.
People sometimes overlook basic personal protection, but direct skin contact with red phosphorus can cause irritation or—worse—lead to chemical burns after mishandling. Covering hands with nitrile gloves keeps exposure away. Long sleeves and lab coats aren’t just for the lab—they keep powders and dust off your skin. Goggles may sound excessive in a plastics compounding shop, but one splash or dust cloud will convince you otherwise.
Breathing in red phosphorus dust isn’t just uncomfortable—it actually damages your lungs. Dust masks or, better, a properly fitted respirator stops those fine particles before they can get anywhere near your airway. Fresh air and good ventilation matter here. You want those fans moving air out, not circulating it around your face. People sometimes forget to check filters and end up swapping dusty air for clean, which defeats the purpose.
Red phosphorus doesn’t ignite as easily as some of its cousins, but nobody should trust it around open flames. Sparks from tools, static build-up, and even a faulty light fixture have started fires in places I’ve worked. Static straps on containers and grounded work surfaces help cut this hazard. Keep the smoke breaks separate from the compounding area—one lapse can start a fire that’s tough to stop.
If you’re storing it, skip the metal bins. Go with sealed plastic containers, stashed in a dry, cool corner that’s far from heat and direct sunlight. Humidity and red phosphorus never mix well; dampness sets off chemical surprises nobody wants. I’ve seen storage areas kept cleaner than offices—not because of appearances, but because loose dust and container leaks ripple out into bigger issues fast.
Letting red phosphorus go down a drain or tossing it into the regular trash is just begging for disaster. Dedicated hazardous waste bins are a must. Label every bit clearly. Teams I’ve worked with organize regular disposal runs rather than holding stockpiles, which keeps risk low. Local regulations carry hefty fines for shortcuts here, and for good reason.
People sometimes think a quick run-through covers all the bases, but things slip through the cracks. Ongoing training, clear signs, and actually practicing what to do in an emergency make all the difference. I remember a team member who realized the fire exit was bolted shut—nobody had checked it in months. Safety isn’t a box-tick; it builds from regular habits. And if you see a co-worker cutting corners, calling it out directly can save everyone a lot of pain.
Having years on the floor doesn't magically protect against mistakes. Complacency sets in fast. New hires and veterans both benefit from a culture where everyone looks out for each other. The safest teams I’ve worked with encourage double-checking each step—no matter who's running the shift.
Working with red phosphorus masterbatch means knowing the risks, using the right gear, and respecting the materials at every stage. Even with so-called safe additives, there’s never a shortcut to real safety.
If you’ve worked with plastics in manufacturing or design, polyamide 6 (PA6) and polyamide 66 (PA66) turn up a lot. Both offer a punch of strength and good resilience, making them a favorite for car parts, electrical casings, and a long list of engineering tasks. Yet, the downside sticks out: these materials can’t handle flames. For safety, the search circles around additives, and red phosphorus keeps popping up.
Adding flame-retardant ingredients to plastic always sparks debates in factories and research labs. Red phosphorus stands out because it has a real impact. This additive knocks back flammability levels so plastics like PA6 and PA66 can pass stricter standards, especially for electronics and car interiors.
But introducing red phosphorus isn’t just about stopping fires. It’s a chemical with a stubborn side, and nobody wants strong plastics that crumble or lose their edge once additives come into play.
Over the years, I’ve seen mechanical test sheets for dozens of plastics, and pattern after pattern shows up: slide in an extra element, and you risk upsetting the balance. For PA6 and PA66, red phosphorus works a bit like salt in bread—perfect amounts make all the difference. Go too far, and you’re left with brittle, crumbly outcomes. Stay cautious, and you maintain the toughness many industries rely on.
Studies out of China and Germany show a clear drop in tensile strength and elongation when red phosphorus masterbatch goes beyond safe levels, especially if the mixing or processing steps fall short. The fibers that usually help these polyamides absorb force start turning weak, likely due to how the red phosphorus interacts on a chemistry level— breaking down polymer chains or encouraging micro-cracks. This can mean parts snap faster under stress.
Besides the immediate hit to stretchiness and breaking strength, I’ve noticed that some red phosphorus blends struggle with humidity. Poor sealing during extrusion or injection molding, along with environmental exposure, can let moisture sneak in and react with the masterbatch. The fallout ranges from color changes to jumps in surface resistance, and, worse, further chipping away at mechanical properties.
On the other hand, scrolling through manufacturer data, it’s obvious that sticking with optimal dosage and pairing red phosphorus with stabilizers helps soften these blows. Modern masterbatch producers add anti-oxidants or wrap the red phosphorus particles in a protective shield, which goes a long way toward keeping tensile values and impact strength at reasonable levels.
Finding that middle ground always costs effort and trial runs in the shop. Overloading the masterbatch doesn’t just dull the plastic; it risks product recalls and safety dilemmas. I’ve had design engineers puzzle through dozens of prototypes, shifting the amounts by half-percents just to find that sweet spot: low flammability with acceptable strength.
One route that works uses a multi-step compounding process, where the red phosphorus is tightly bound inside a carrier resin before it touches any PA6 or PA66 pellets. This shields the host polymer and, with the right temperature settings, helps avoid burning off the additive or frying the plastic. Another good habit is regular testing, not only for flammability but also for long-term strength across assorted temperature swings and wet/dry cycles.
Trust in PA6 and PA66 hasn’t faded, but the push for safer, greener, and tougher plastics keeps rising. Demands in electronics and electric vehicles only get stricter. The key lies in better chemistry, smarter mixing, and never ignoring those test results that show, plain and simple, how the smallest changes can tip the scales between safe, strong products and those destined for the scrap pile.
People working with plastics and specialty additives often come across red phosphorus masterbatch. It packs a punch as a flame retardant, easily transforming regular polymers into flame-resistant materials. But it usually sits in a bag or drum longer than folks expect. Without real care in storage, that valuable additive can lose effectiveness or, worse, cause safety hazards in the workplace.
Most suppliers stamp a shelf life of one year onto the packaging. Some print up to two years if conditions play nice. In my years working near plastic compounders, the true shelf life depends less on time and more on how well you keep moisture and heat out of the picture.
Red phosphorus can react over time, especially in damp spots. Moisture invites an uptick in released phosphine gas—a notorious irritant and, at high enough doses, a big health concern. I’ve seen that faint, garlic-like smell when a bag tore open and nobody realized how humid it had gotten in the storeroom. If you notice that odor, chances are the masterbatch has already begun to lose its punch.
Mishandling red phosphorus masterbatch usually leads to clumping. In factories up north, winters mean dry indoor air, so clumping happens less often. In humid climates, the powder forms sticky lumps fast. Not only does this make feeding into extruders a hassle, it leads to waste and uncertainty about batching. You never want to gamble on fire safety because storage cut corners.
As for direct sun or high heat, both can kick off unwanted reactions in the batch. Direct sunlight heats the bag, and after a few cycles of this, degradation follows. Masterbatch doesn’t “melt,” but it sure becomes unpredictable. I know of one small operation that left a pallet by the factory door all August—by October, over half of it had to be disposed of.
Factories with dedicated space for additives protect their stock by sticking to a few clear habits. They keep temperature steady—room temperature, usually below 30°C, works. Dry storage matters most. Some bigger outfits pipe in dehumidifiers once summer starts, but smaller shops get by using silica packets packed into each container and sealing them tight after every scoop.
No direct sunlight, ever. Even translucent plastic sheeting lets in more rays than you think. Once, a team I worked with draped a tarp over masterbatch near a skylight thinking that was enough—weeks later, we realized the batch near the exposed side had gone off-color and lost some effectiveness.
Safety shows up as a constant background concern. Red phosphorus isn’t something to leave near oxidizing agents or open flames. The companies that log zero accidents always take the Material Safety Data Sheet (MSDS) seriously, watching for damage to the packaging or weird smells and handling disposal with no shortcuts.
Regular checks go a long way. Every storeroom should have a sign-off log, not just for inventory, but for temperature and humidity. If there’s been a storm or a power outage, the contents get checked right after. Using older stock first solves problems before they start. This “first in, first out” method isn’t just for grocery stores—it keeps flame retardance predictable, so nobody gets stuck troubleshooting polymer batches when deadlines loom.
Even if rules seem like overkill, most teams discover that losing a shipment to moisture or heat ends up costing far more than a dry, shaded pallet would have. Anyone handling red phosphorus masterbatch learns sooner or later: just because it comes with a shelf life printed on the bag doesn’t mean you can ignore the small stuff.
| Names | |
| Preferred IUPAC name | Poly[imino(1-oxo-1,6-hexanediyl)] mixture with phosphorus |
| Other names |
Red Phosphorus Concentrate Red Phosphorus Flame Retardant Masterbatch Red Phosphorus Masterbatch for Polyamide Red Phosphorus MB for PA Red Phosphorus Masterbatch for Nylon RP Masterbatch |
| Pronunciation | /ˌrɛd ˈfɒs.fə.rəs ˈmɑː.stəˌbætʃ fɔːr ˌpiːˈeɪ sɪks ˌpiːˈeɪ sɪksˈsɪks/ |
| Identifiers | |
| CAS Number | 7723-14-0 |
| Beilstein Reference | 3587154 |
| ChEBI | CHEBI:49699 |
| ChEMBL | CHEMBL1201608 |
| DrugBank | |
| ECHA InfoCard | echa.europa.eu/substance-information/-/substanceinfo/100.014.178 |
| EC Number | 231-768-7 |
| Gmelin Reference | 1083 |
| KEGG | KEGG:C18358 |
| MeSH | Red Phosphorus Masterbatch for PA6 PA66"[MeSH] |
| PubChem CID | 24775 |
| RTECS number | RN8750100 |
| UNII | 93MLR71N1A |
| UN number | UN1338 |
| CompTox Dashboard (EPA) | DTXSID20919579 |
| Properties | |
| Chemical formula | P |
| Molar mass | Varies depending on specific formulation; typically not defined for masterbatch blends |
| Appearance | Red or dark red granular or pellet |
| Odor | Odorless |
| Density | 1.40g/cm3 |
| Solubility in water | Insoluble |
| log P | 2.3 |
| Acidity (pKa) | 5.4 |
| Basicity (pKb) | Red phosphorus masterbatch is neutral, with no defined pKb. |
| Magnetic susceptibility (χ) | ≤1.0×10^-5 |
| Refractive index (nD) | 1.52 |
| Viscosity | ≤20 |
| Dipole moment | 0 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 35.6 J·mol⁻¹·K⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | 0 kJ/mol |
| Hazards | |
| Main hazards | May form explosive mixtures with air; contact with strong oxidizers may cause fire; harmful if inhaled or swallowed; causes skin and eye irritation. |
| GHS labelling | GHS07, GHS09 |
| Pictograms | GHS02, GHS07 |
| Signal word | Warning |
| Hazard statements | Hazard statements: H228, H302, H319, H335 |
| Precautionary statements | P264, P270, P273, P280, P301+P312, P302+P352, P305+P351+P338, P304+P340, P308+P313, P403+P233, P405, P501 |
| NFPA 704 (fire diamond) | Health: 1, Flammability: 2, Instability: 0, Special: - |
| Flash point | Flash point: >300°C |
| Autoignition temperature | 300°C |
| LD50 (median dose) | LD50 (oral, rat): >5000 mg/kg |
| PEL (Permissible) | 0.1 mg/m³ |
| REL (Recommended) | 0.4%-1% |
| IDLH (Immediate danger) | Not Established |
| Related compounds | |
| Related compounds |
Polyamide Masterbatch Flame Retardant Masterbatch Black Masterbatch PA6 Masterbatch PA66 Masterbatch |
