People grew uneasy watching flames tear through buildings and appliances, realizing that many common plastics and fabrics offered no resistance once fire took hold. In the past, brominated chemicals set the standard for flame protection, but environmental concerns and health warnings forced scientists to rethink how fires should be fought at the material level. Out of this period of innovation grew a class of nitrogen-rich compounds that tackled fire risk without the baggage that older flame retardants brought. Exolit Melapur 200 entered the picture in this wave, drawing from the increasing attention paid to both regulatory frameworks and industrial need for safer additives. Over several decades, researchers blended scientific know-how with tightening national standards, searching for compounds that science promised would burn cleaner and harm less, and the market gradually shifted its gaze toward phosphorus and melamine-based solutions.
Exolit Melapur 200 belongs to the world of non-halogenated, melamine-based flame retardants. Melamine—a white crystalline powder—has a knack for resisting heat, and the compound carries over many of those qualities. Chemists add it to plastics, fibers, paints, and coating resins to raise the threshold at which flames can take control. This additive dissolves poorly in water and most organic solvents, giving it the staying power needed for built-in protection. Product manufacturers and safety engineers draw on Exolit Melapur 200 to address regulatory pressure as well as real-life incidents of fires sparked by faulty appliances, overloaded wiring, and furniture mishaps.
The product shows up as a fine, white powder with a molecular formula of C3H6N6, and a molecular weight close to 126 g/mol. It starts to decompose slowly around 300 °C, breaking apart to release gasses that help cool whatever is burning. With a density near 1.57 g/cm³, the powder sits comfortably in many mixing and molding applications. The melting point sits high, so it stays intact through most manufacturing cycles that shape household goods and electronic parts. Its low solubility ensures it remains trapped in the matrix of plastics and fibers instead of leaching out over time.
Product specifications outline melting temperature, bulk density, particle size distribution, and moisture content as key points. Labels include hazard pictograms related to mild irritation, with information on recommended storage in tightly sealed containers away from acids and oxidizers. Bags and drums typically list batch number, manufacturing date, expiration date, and supplier contact info. Safety documentation includes the CAS registration number (108-78-1), classification under GHS as non-flammable, and requirements for dust control during handling. Shelf life typically exceeds two years if the product stays dry and protected from direct sunlight and humidity.
Production of Exolit Melapur 200 follows the thermal condensation of urea. Producers heat urea under controlled conditions, which triggers ammonia evolution and gradually builds the melamine ring structure. Processing teams must watch temperature and atmospheric conditions closely to avoid unwanted byproducts like cyanuric acid. Factories deploy automated reactors, scrubbing systems for vented ammonia, and quality control at every batch to ensure consistent purity and powder texture. Downstream grinding and classification ensure fine particle size tailored for even mixing and stable dispersion in customer polymer blends.
Exolit Melapur 200 takes part in endothermic decomposition when exposed to strong heat, liberating ammonia and forming a protective char layer that helps slow the flaming reaction in plastics or coatings. Additives sometimes blend synergists or phosphorylated melamine derivatives to boost halogen-free fire resistance and address demands for tougher safety standards. Chemists also explore surface treatments or binders to improve compatibility with specific polymer resins. These modifications can enhance washing stability in textiles or boost long-term stability when exposed to UV or environmental stresses.
Melamine pops up under a few alternative names, including 1,3,5-triazine-2,4,6-triamine and Cyanurotriamine. Commercial branding harnesses names like Exolit Melapur 200 and equivalents from different suppliers who emphasize proprietary preparation or granulation tweaks. Searching chemical databases often means plugging in synonyms to pull up full hazard, regulatory, and supply chain documentation—something practical for buyers who need to cross-check against competing products or safety sheets.
Plant managers and lab workers stick to dust control, personal protective equipment, and good ventilation to keep exposure low. The dust can irritate eyes, skin, or lungs if stirred up, which means wearing gloves, goggles, and nuisance dust masks on the factory floor. Waste disposal procedures treat unused material as regular industrial waste, free from the special status attached to many older halogen-based additives. Workplace safety training pushes proper housekeeping to prevent build-up of fine particles that could cause slip hazards or minor respiratory irritation cases.
Exolit Melapur 200 finds its home in polyurethane foams, flexible furniture padding, building insulation, and consumer electronics housings. Wire and cable manufacturing uses it to slow the spread of fire along electrical lines. Appliance casings rely on it for a higher chance of surviving an electrical short or kitchen misstep. Textile mills add it to upholstery and drapery for public spaces, aiming to meet fire codes without sacrificing color or texture. Evolving construction codes drive the use of melamine compounds in wall panels, ceiling tiles, and commercial fit-out products. All these sectors juggle safety, product performance, and public pressure to move away from persistent, bioaccumulative chemicals.
Research teams test new synergist blends, analyzing results by torch tests, UL-94 ratings, and high-performance microscopy. Plastics and electronics manufacturers want faster cycle times and better mechanical properties in finished products, so chemists work at the edge of compatibility and fire resistance. Ongoing research compares existing blends with new formulas that use renewable nitrogen or tweaks in melamine crystal structure. Institutes and regulators maintain test campaigns, publishing open datasets on fire performance, emissions, and mechanical durability. Companies leverage this data to tweak recipes and regulatory filings while scientists push for deeper understanding of breakdown pathways, environmental persistence, and biodegradation rates.
Toxicologists ran studies on acute and chronic exposure in workers and end-users, noting that melamine shows low acute oral or dermal toxicity. The scare over melamine-adulterated milk several years ago highlights the consequences of gross misuse, but the additive’s use in plastics and coatings shows an exposure pattern that stays well below adverse effect levels. Researchers found that airborne dust annoyed the respiratory tracts of animals after repeated, exaggerated exposures, though standard workplace limits handle this risk. Environmental studies focus on aquatic impacts from industrial wastewater, monitoring breakdown products and their interaction with natural nitrogen cycles. Regulators around the globe ask for up-to-date data on migration from consumer goods, results from new bioassays, and ongoing measurement of environmental burden.
Markets lean hard on fire resistance as electronics miniaturize, e-mobility spreads, and buildings pack more synthetic materials into tight spaces. Regulators keep ratcheting down allowable emissions from flame retardants, nudging the field toward greener chemistry and cradle-to-cradle lifecycle analysis. Researchers chase new synergist systems and seek ways to bond flame resistance with recycled and bio-based resin backbones. Digital manufacturing expects cheaper, finer melamine powders that disperse on-demand, cutting waste in automated lines. Green building, circular economy principles, and strict enforcement on hazardous materials all push innovation on Exolit Melapur 200’s horizon, driving it to answer demands for safety, transparency, and sustainable design while holding the line against growing fire threats.
Exolit Melapur 200 finds its place in the world of plastics and engineering materials, especially where flame retardancy matters. Anyone walking through a modern office or boarding an airplane has unknowingly benefited from the quiet work of flame retardants tucked inside polymers and fibers. I remember working in a plastics factory years ago, watching the production line churn out white fiber pellets destined for car seats and office panels. The raw mix included not just polyamide resin but also a white, powdery additive—something the techs simply called "Melapur." Even then, nobody questioned its importance. The worry sat with the risk: a short circuit or a stray cigarette, and plastics that burn fast can be deadly.
Exolit Melapur 200 targets this risk head-on. It's a melamine-based flame retardant, tossed into plastics to disrupt fires at their source. Unlike older, chlorine-heavy flame retardants, this one tackles the problem in a less toxic way. The science behind it rests on its ability to release nitrogen gases during heating—this knocks out oxygen around a flame and makes plastics self-extinguish. Instead of smoldering or dripping burning pieces, treated material chars and then fizzles out. Think about the layers inside your car’s dashboard, the covers on public transit seats, or the casing of modern electronics. If you’re holding a smartphone charger or driving a car with finely woven seat fabrics, chances are something like Exolit Melapur 200 has made those plastics safer for everyone.
Fire safety takes on a bigger meaning in crowded spaces—schools, hospitals, trains, airplanes. According to the National Fire Protection Association, synthetic materials are now a leading factor in the speed and toxicity of building fires. Unlike wood, plastics sometimes give off intense smoke and deadly gases. The conversation around halogen-based flame retardants never really stopped—regulations keep getting stricter because of their environmental downside. Exolit Melapur 200, in contrast, lets manufacturers lower those environmental risks. I used to watch crews handle older flame retardants with gloves and masks, worried about residues. With this newer option, the health and environmental risks drop.
Some folks argue about whether we even need flame retardants at all. In my experience, walking past charred remains of a wiring harness after an electrical fire, I’d rather build in as much protection as possible. Fires don’t wait for debates to settle.
The hunt continues for materials tougher, safer, and kinder to the environment. Not every solution will please everyone. Substituting Exolit Melapur 200 for older, halogen-based chemicals solves a piece of the toxicity puzzle, but it doesn’t mean we’ve arrived at perfection. There’s pressure from watchdog groups and greener brands to push beyond what’s just less bad—demanding safer chemicals all the way down the supply chain. Some researchers are working on “bio-based” flame retardants, even testing natural minerals or agricultural waste. The road isn’t smooth, or cheap, but every step toward safer buildings and products counts.
Nobody asks for the things that make up their electronics and car seats to do more than their everyday job. Behind the scenes, products like Exolit Melapur 200 have quietly helped raise the bar for public safety, protecting people from hazards they often never see coming. Manufacturers and regulators need to keep their eyes open, make sure that solving one problem doesn’t create another, and listen to people—not just data—when searching for the next best materials.
Exolit Melapur 200 draws attention for its key role as a flame retardant. Anyone who works in plastics or textiles will see its name pop up, especially when safety or fire standards matter. The base of this compound is melamine polyphosphate. What makes it stand out is its content of phosphorus and nitrogen—two elements that give it real stopping power against fire. Additives based on these elements do more than slow down flames; they help produce crucial gases that snuff out fires before they can really spread.
Performance under heat is where Melapur 200 pulls its weight. You don’t see it break down at the same low temperatures as other fire retardants. Stability up toward 300°C means it can sit inside thermoplastics without falling apart or losing strength. In the business of electronics or automotive parts, you need a compound that holds up when a machine gets hot.
The reaction in fire comes from its very makeup. As it heats, the phosphorus element helps build a layer of char. This char is like a shield, stopping flames from feeding on the underlying material. This isn’t something every fire retardant can pull off. Meanwhile, the nitrogen part of Melapur 200 works to release inert gases, which push out the oxygen that feeds a fire.
Melapur 200 acts stubborn in water. You won’t see it dissolve, not even after a long soak. That saves effort when you need plastics or building materials to survive tough weather. Mix it with many resins, and there’s less risk of it leaching out or washing away over time. No engineer wants a safety additive that leaves a finished product after a few months.
You also notice that, in real manufacturing settings, Melapur 200 doesn’t bring in unwanted side reactions. Some ingredients in plastics stir up problems when mixed, changing mechanical properties or creating bubbles. Melapur 200 pretty much minds its own business. It stays chemically stable and doesn’t mess up colors or strength in most recipes.
Phosphorus and nitrogen chemicals get plenty of questions about environmental or health issues. Studies done on Melapur 200 show low toxicity, and that’s become a big plus. It keeps workers safer and means less hassle if it ends up in contact with food or skin. Compare that to older brominated flame retardants, which raised plenty of red flags.
The industry keeps pushing for fire retardants that cut down on hazardous byproducts, especially after disposal. Melapur 200 stands up in this area, too. It releases fewer dangerous fumes compared to other common choices and doesn’t disrupt recycling processes. Every chunk of plastic or coating that can be reused without extra risk is a win for people and the planet.
At the end of the day, Melapur 200 becomes a talking point not just because of its chemical makeup, but for how it fits into safer, more durable products. Picking a fire retardant is about finding something with clear benefits and minimal trade-offs. For industries trying to keep up with fire codes or environmental laws, those chemical properties put Melapur 200 on the shortlist.
Moving forward, there’s room to look at how this compound could work in more settings—think new blends of plastics or even textiles meant for public spaces. Safer products owe a lot to smart chemistry, and that starts with solid choices like Melapur 200.
In the world of chemicals and plastics, the phrase “halogen-free” shows up a lot. People often ask about it when they talk about flame retardants and additives. The worry around halogens isn’t just chemist talk. Halogenated compounds, like those based on bromine or chlorine, can turn pretty nasty during fires. They produce toxic fumes that put both the environment and our health at risk. After decades of headlines about restricted chemicals, manufacturers now look for safer options.
Exolit Melapur 200 lands right in the middle of these debates. It's a common flame retardant used in a bunch of places—electronics, construction materials, and even textiles. Instead of depending on old-school halogen chemistry, Exolit Melapur 200 uses a different approach. It’s based on melamine. Chemically, there’s no bromine or chlorine built in.
If you pull up the product safety sheet, you won’t find halogen warnings. The base material, melamine cyanurate, delivers flame retardant properties. It releases non-toxic gases when heat hits, making it a safer bet during a fire. So, it checks the halogen-free box. The big deal here isn’t just what it skips—the chlorines and bromines—but what gets put in its place.
There’s a reason big electronics brands and construction suppliers put “halogen-free” on their wish list. I remember working in a shop years back, where we replaced some old plastic connectors after a fire. The acrid smell stuck in my clothes for days. Much later, I learned the stench wasn't just annoying—it was full of toxins from halogen-based additives. If everyone involved had picked halogen-free options, it might have been an entirely different clean-up.
Governments and customers take these concerns seriously. The European Union, China, and other regions lay down strict chemical safety rules. Equipment must pass “smoke toxicity” standards. That’s why companies sometimes pay extra for halogen-free products like Exolit Melapur 200. It means lower risk when things go wrong, so firefighters and bystanders aren’t exposed to extra hazards.
That being said, melamine isn’t some sort of magical solution. It works by releasing nitrogen when heated, stifling flames. Sounds safe, but if not handled right during manufacturing, or if used in food packaging, it can cause its own set of problems. We've seen scares with melamine in milk powder, so the industry does keep an eye on how it’s used.
Another issue is that halogen-free doesn’t mean zero environmental impact. Plenty of chemical alternatives come with their own catch. They may need higher doses to achieve the same fire protection, for example. That can drive up costs.
Switching to halogen-free products plays a part in the larger push for safer, greener chemistry. Product designers and safety officers have new opportunities. Instead of just checking boxes on a regulatory form, they can ask deeper questions: What happens if this wire or panel burns? Will the smoke put people in danger? Making smart choices about materials like Exolit Melapur 200 looks small at first glance, but it adds up on construction sites, in offices, and at home.
Being able to trust a label, understand what’s in a product, and know why it matters—those are small steps with wide impact. Let’s keep pressing for options that protect both people and the planet.
It’s easy to take fire protection for granted until you see what a tiny spark can do to a cable, a car part, or even your kid’s favorite toy. My old electronics class is filled with memories of burnt plastic, sharp smoke, and those uncomfortable fire drills. Back then, we didn’t talk much about just how manufacturers kept fires from turning deadly. Today, names like Exolit Melapur 200 come up, with claims of changing the way things burn—or don’t burn at all.
Exolit Melapur 200 usually shows up in the world as a white powder. Think flour, but for saving lives. I’ve seen processing lines where workers feed buckets of it straight into mixers alongside polyamide pellets, and sometimes as pellets themselves if the process calls for fewer dust clouds. Factories tumble this powder into plastics while they’re molten, letting it swirl around and blend before the material cools and hardens. The everyday objects that come out of this blending—electrical enclosures, office furniture, car parts—are everywhere. The whole point is, the fire-retardant isn’t just painted on; it’s mixed right in.
I like to compare it to making chili. You don’t just toss in any spice and hope for the best. With Melapur 200, it isn’t about adding something at the end, but about building protection into the recipe from the start. I remember seeing a wiring duct tested with and without flame retardant. The regular one burned right through. The other? It charred, smoked a bit, but kept its shape. Turns out, the way Melapur 200 reacts at high temperature—puffing up, creating a protective layer—matters.
This powder works best in polymers that melt or soften when heated, like polyamides. The combination helps make sure that, if a fire starts, it won’t spread as fast or burn as hot. That’s a real line of defense for anyone plugging in their phone charger next to the couch.
Incorporating Melapur 200 takes some skill. If you add too much, plastics lose toughness and sometimes feel chalky. Add too little, and you lose the fire-retarding punch. Some processors add additional help—glass fibers for strength, plasticizers for flexibility—to balance out the mixture. The dust can be annoying on the factory floor, so engineers sometimes switch to masterbatches (pre-mixed concentrates) or adjust the way the material gets fed into the machines.
Depending on the end use, certain plastics work better than others with this flame retardant. Some types of nylon soak it up, blend it smoothly, and turn out crisp, tough, and slow to ignite. That’s why you’ll find Melapur 200 in everything from car dashboards to server housings. It’s especially useful anywhere regulations demand halogen-free fire safety, which is a bigger deal now as some cities ban old-school flame retardants for health reasons.
What matters to me—and to a lot of parents, techs, or workers—is that stuff works without you having to think about it every time you use it. Companies that pick Melapur 200, and blend it in for lasting fire resistance, acknowledge the real risks modern life brings. Sure, there’s always more that could be done: better blends, smarter recycling, fresh ideas for dust control. Still, in every molded cable clip or car fuse box that shrugs off sparks, you see someone’s thoughtful choice paying off.
Exolit Melapur 200 sounds complicated, but at its core, it's a flame retardant based on melamine. Flame retardants come with their own risks, and sometimes workers think their jobs get easier with something “halogen-free.” Safety doesn’t stop there. Melamine powder has a way of drifting into nose and mouth, irritating skin, and causing headaches nobody wants during a shift. Years in industrial settings taught me that small particles easily escape even from clean-looking packaging. Once in the air, they end up everywhere— in gloves, on forearms, caught in shirt collars. Take that lightly and soon you find yourself sneezing out white dust or rubbing burning eyes.
Respiratory protection isn’t about following pointless rules. You owe it to your next meal and your coworkers to keep that stuff out of your lungs. Standard dust masks don’t always cut it, especially if the powder hangs thick in the air. Respirators with a P2 or N95 rating filter the tiny melamine particles. Ventilation deserves more attention than it gets. It’s not enough just to have fans running, either. Local exhaust systems make a real difference, pulling dust away from where hands are busy. Not everyone wants to invest in them, though. I’ve known too many who wait until someone gets a persistent cough before they even open a safety catalog.
Sometimes I felt silly double-gloving or wrapping my wrists. Soon I stopped caring about looking silly after my hands started itching uncontrollably one day. Gloves matter, and so do long sleeves. Melapur 200 doesn’t penetrate latex or nitrile, so those are the first picks. Avoid touching your face before washing up—melamine dust hitchhikes to your eyes or mouth almost without noticing. Lab goggles work for splash protection, but dust creeps in. Sealed safety glasses or goggles beat open-sided ones every time.
Some crews still sweep powder spills with regular brooms, raising fine clouds into breathing height. Avoid that—vacuum cleaners built for hazardous dust keep things contained. Dumping clothes in the regular laundry after a shift means your family breathes what you brought home. Dedicated work clothes, kept away from your private laundry pile, show respect for everyone you live with. Changing and washing up before leaving helps cut the chance of sneaky exposure at home.
Exolit Melapur 200 fights fire in the final product, but the powder itself can create dust explosions if left to pile up. I’ve seen bins forgotten by the loading dock, slowly gathering layers on top. All it takes is one spark. Storing melamine-based powders away from ignition sources and in dry areas needs as much attention as using a proper mask. Don’t crack open bags with a knife and dump powder fast—slow, steady pouring with the right scoop keeps the product out of the air and off your arms.
Trainings sometimes skip over the everyday realities in favor of regulations and phrases from data sheets. People remember stories and examples, not paragraphs from a binder. Share what happens when shortcuts get taken—the itching, the breathing trouble, and how easily old habits sneak back in. If supervisors walk the floor and use the same protection as everyone else, the rest of the team pays more attention. It’s not about rules for the sake of rules. It’s about making sure you leave work with the same health you brought in that morning.
| Names | |
| Preferred IUPAC name | 1,3,5-Triazine-2,4,6-triamine |
| Other names |
Melamine Cyanurate |
| Pronunciation | /ˈfleɪm rɪˈtɑː.dənts ˈɛks.oʊ.lɪt ˈmɛl.ə.pʊər tuː ˈhʌn.drəd/ |
| Identifiers | |
| CAS Number | 24615-84-7 |
| Beilstein Reference | 3839364 |
| ChEBI | CHEBI:53387 |
| ChEMBL | CHEMBL2106047 |
| ChemSpider | 123417 |
| DrugBank | DB11233 |
| ECHA InfoCard | 03a02a8c-794d-45e3-9a27-6deeef0a36b0 |
| EC Number | 32518-36-0 |
| Gmelin Reference | 124936 |
| KEGG | C07599 |
| MeSH | D02.886.277.417.190.200 |
| PubChem CID | 10203812 |
| RTECS number | VX8225000 |
| UNII | 174B2D6ZC2 |
| UN number | UN3077 |
| CompTox Dashboard (EPA) | DTXSID2060175 |
| Properties | |
| Chemical formula | C3H6N6 |
| Molar mass | 370.1 g/mol |
| Appearance | White, fine-grained powder |
| Odor | Odorless |
| Density | 1.7 g/cm³ |
| Solubility in water | insoluble |
| log P | -3.1 |
| Vapor pressure | Vapor pressure: negligible |
| Acidity (pKa) | > 7.7 |
| Basicity (pKb) | 8.7 |
| Magnetic susceptibility (χ) | -9.6E-6 cm³/g |
| Refractive index (nD) | 1.75 |
| Dipole moment | 0 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 122 J/(mol·K) |
| Std enthalpy of formation (ΔfH⦵298) | -1344 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | -16.43 MJ/kg |
| Pharmacology | |
| ATC code | 38140090 |
| Hazards | |
| GHS labelling | GHS07, GHS08 |
| Pictograms | GHS07,GHS08 |
| Signal word | Warning |
| Hazard statements | H319: Causes serious eye irritation. |
| Precautionary statements | Precautionary statements: P261, P280, P305+P351+P338, P337+P313 |
| NFPA 704 (fire diamond) | 1-0-0 |
| Autoignition temperature | > 450 °C |
| Lethal dose or concentration | LD50/oral/rat > 5000 mg/kg |
| LD50 (median dose) | > 5000 mg/kg (rat, oral) |
| PEL (Permissible) | PEL (Permissible Exposure Limit) for Flame Retardants Exolit Melapur 200: "Not established |
| REL (Recommended) | 40 mg/m3 |
| Related compounds | |
| Related compounds |
Melamine Melapur 70 Melapur 200 Exolit OP Exolit AP |
