|
HS Code |
969409 |
| Chemical Composition | mainly metal hydroxides, oxides, phosphates, borates |
| Physical Form | powder or granular |
| Color | white or off-white |
| Particle Size | 1-100 micrometers |
| Decomposition Temperature | 200°C - 500°C |
| Non Flammability | inherently nonflammable |
| Solubility In Water | low to insoluble |
| Thermal Stability | high |
| Smoke Suppression | good |
| Toxicity | low |
| Compatibility With Polymers | good with various types |
| Halogen Content | halogen-free |
| Moisture Absorption | low |
| Mechanism Of Action | endothermic decomposition and char formation |
| Environmental Impact | eco-friendly |
As an accredited Inorganic Flame Retardant factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The inorganic flame retardant is securely packed in a 25 kg woven plastic bag with an inner polyethylene liner for protection. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL): Typically loaded with 20-24 metric tons of Inorganic Flame Retardant, packed in 25kg bags on pallets, shrink-wrapped. |
| Shipping | The inorganic flame retardant is securely packaged in sealed, clearly labeled containers, compliant with industry regulations. It is shipped via ground or sea freight to minimize risk. Containers are protected from moisture, heat, and direct sunlight. Proper documentation and Material Safety Data Sheets (MSDS) accompany shipments to ensure safe handling and transport. |
| Storage | Inorganic flame retardants should be stored in a cool, dry, well-ventilated area, away from direct sunlight and sources of ignition. Keep containers tightly closed and label them clearly. Avoid storing near incompatible materials such as acids or oxidizers. Use corrosion-resistant containers and ensure the storage area is equipped with appropriate spill containment and fire safety equipment. |
| Shelf Life | The shelf life of inorganic flame retardant is typically 24 months when stored in a cool, dry, and well-sealed container. |
Competitive Inorganic Flame Retardant 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
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Decades of work in chemical manufacturing teach a few things you won’t find in flyers or sales bullets: reliability, consistency, and trust are built batch by batch. Introducing our Inorganic Flame Retardant, product model IFR-238, reflects that accumulated experience. Unlike organic formulations, inorganic systems resist breakdown at high temperatures and work steadily for the long haul, even in tough environments where safety margin means everything.
Production of IFR-238 isn’t just about mixing chemicals. High-grade minerals undergo a stepwise process—precise grinding, controlled hydration, and real-time purity checks. We monitor crystalline structure deviance because even slight changes affect performance. As raw minerals shift lot to lot, our in-house labs analyze every load for particle size and chemical composition. We use X-ray diffraction and advanced thermal analysis to track consistency.
Some technicians call it old-fashioned, but we don’t rush this part. Fire-retardant behavior hangs on reliable base material. Customers count on our figures matching shipment after shipment, so we update compound ratios based on what we see, not market chatter.
Industries that rely on our product face real liability each day. Cable manufacturers, panel board assemblers, and automotive suppliers need flame resistance for electrical and structural integrity. Our inorganic formula contains hydrated metal additives—common examples include magnesium hydroxide and aluminum hydroxide, selected for high decompositional temperature and low smoke emission. With these ingredients, the retardant shields underlying polymers from heat and stops ignition at the surface, lowering fuel values and keeping toxic fumes to a minimum.
Manufacturers often approach us after dealing with product failures in the field—melted cable jackets or scorched enclosure walls. The problem usually ties back to low-quality or organic-based flame retardants that decompose fast and release deadly gases. An inorganic solution addresses that with heat-absorbing decomposition and mineral water release, cooling surfaces and stalling combustion while ensuring no persistent toxins sneak into work environments.
Our typical supply runs in the micronized powder range, between 2 microns to 6 microns median particle diameter. Such grading ensures a balance between mechanical reinforcement and ease of extrusion or molding, common in polyolefins and PVC. We use laser particle analyzers for every 10 MT produced, rather than relying on batch averages. Some competing suppliers offer wider particle spread, but side-by-side comparisons show lower loss on ignition for our grades, meaning more stable performance at elevated temperatures.
Tests with different polymers explain why this matters. A finer powder disperses more easily, minimizing weak spots in end products. Boards or cable jackets containing coarser fillers often fail the vertical burn test or surprise inspectors by dripping molten residue. Our controlled sizing and moisture management allow for cleaner mixing, which shows up in more stable finished products that pass UL94 and CTI classes more readily.
Installers and converters see the impact directly. They report resin blends produced with IFR-238 remain easier to process, keeping downtime low and waste below industry averages. We frequently send teams into customer plants for trial runs. Monitoring these manufacturing lines, we note cycle time, blend uniformity in extruders, and even ambient dust levels. Operators tell us our product’s flow properties suit both sheet and cable applications, preventing hopper buildup—a point of frustration with some mineral additives.
Plants running continuous extrusion with IFR-238 find less clogging and fewer lumps, so machine maintenance cycles stay predictable. In cable production, the flame retardant’s behavior ensures the insulation forms smooth, with reliable surface texture and wall thickness. After the bake, finished parts show strong color consistency and avoid the chalking effect some legacy fillers trigger.
In wire and cable compounds, especially halogen-free insulation, end customers demand low smoke, minimal toxicity, and strong resistance to heat flow. Our data shows typical LOI values—limiting oxygen index—push above the standard required for safety-certified wire. Burn tests in third-party labs back this up, with flame spread and dripping minimized even at high loadings.
The market still uses organo-phosphate or brominated flame retardants in many places, especially in rigid foams and cheaper consumer goods. Over years of field feedback and controlled burns, shortcomings become obvious. Organics break down quickly under fire, often releasing corrosive byproducts or carcinogens. They also suffer from regulatory clampdowns across North America and Europe, pushing up compliance costs and creating disposal headaches.
By contrast, inorganic flame retardants like ours operate through heat absorption and controlled endothermic reaction. Magnesium hydroxide, for example, absorbs significant energy when decomposing above 330°C, releasing water vapor that cools the substrate and blankets the underlying polymer—a self-balancing response absent in most organic types. These traits prevent the runaway reactions that spread fire in cable tunnels, server rooms, and public spaces.
Our research teams run life cycle analysis on end uses for IFR-238. We track over 12 years of placements in public transit systems and commercial wiring. Cases of product degradation or field failures remain rare, even under elevated temperatures or high-voltage faults. Older building retrofits, particularly tunnels and high-rises, call for this non-halogen solution because building codes demand it, landlords appreciate the fire rating, and insurers offer lower premiums.
We stay engaged on standards committees and with certification bodies, providing technical input and samples for evolving fire tests. The product’s composition sits comfortably within ROHS, REACH, and UL regulations—avoiding red-flag elements like antimony, lead, or halogens. This opens up export channels and allows suppliers to maintain a single bill of materials without worrying about cross-border compliance.
After fires in older public buildings revealed hazards linked to outdated flame suppression, regulators leaned toward inorganics. Our product found its way into both new construction and renovation, partly because the specifications match certification protocols right out of the factory gate. The replacement of legacy organic additives, which often failed the latest smoke toxicity tests, means downstream processors avoid retooling costs.
As a direct producer, our experience dismantling failed products using organic retardants is extensive. Our labs keep a collection of burned polyolefin slabs and cable samples, for comparative education and in-depth research. The most telling difference comes from heat and smoke characteristics. Organic types tend to char heavily, emit acrid gases, and sustain secondary combustion. In contrast, IFR-238 shows only light ash and limited off-gassing, even under repeated exposure.
Material suppliers who attempted organic substitutions for budget reasons usually came back after field complaints. Issues like discoloration, mechanical brittleness after aging, or a persistent off-odor arise. Inorganics like ours remain odorless after processing, do not migrate, and do not yellow exposed surfaces. This pays off for exposed applications—ceiling panels or trunking by windows, for example—where appearance is critical.
Environmental concerns now block many brominated or chlorine-based retardants. Regulators in the EU and US set migration testing and landfill restrictions that cut off older technologies from mainstream supply chains. Inorganic options make disposal safer, avoiding leachable toxins and persistent organic pollutants. Any minor performance penalty—occasional drop in impact strength at very high filler loading—gets outweighed by safety and recyclability benefits.
Each production run undergoes over a dozen checks. We use thermogravimetric analysis to verify that ignition loss matches the promised range. Wet chemical tests confirm total water release and purity. On request, we work with clients to match particle sizing to their exact blend, altering grind curves if extrusion viscosity shifts. Years of failure analysis taught us even routine conveyor changes can affect surface chemistry, so the factory flooring and transfer lines get regular inspection too.
Raw input traceability remains non-negotiable. Our records go back through each delivery, right to the mine. End users sometimes want their own visits; we invite audit teams to watch the processing lines, and review the test records. Field inspectors appreciate how closely finished lots track to the technical sheets—no surprises, and very few warranty returns each year.
Some customers come to us frustrated by unexplained yellowing or poor mechanical strength. In most cases, organic-based products or poorly prepared filler mixes are at fault. Our technical teams review the compounding recipe, analyze failed samples, and in the majority of cases, recommend phased replacement with IFR-238. After blending trials, field tests almost always yield better flame-spread ratings, less smoke, and improved end-use durability.
One major building materials supplier reported a cost-saving by eliminating double passes in extrusion after switching to our grade. Reduced downtime means more production per shift, which gets noticed in boardrooms and on factory floors alike. For cable and conduit makers, long-term color stability and improved bend radius save rework and customer complaints.
Environmental targets drive business decisions in every mature market. IFR-238 fits into these strategies because it does not leach, degrade, or emit persistent organic pollutants. Our waste streams contain only inert minerals, simplified for landfill with full tracking. Finished articles can enter recycling streams for thermoplastics without special handling, which becomes ever more important as end-of-life rules tighten.
We share data with recyclers and compliance teams on migration, heavy metal absence, and recovery rates from post-consumer plastic. By switching from old brominated systems to inorganics, converters can certify both new and recycled content. This helps meet government tender points and qualifies for major building and infrastructure projects worldwide.
The market for flame retardants often shifts with insurance loss data, high-profile fires, or headline regulatory changes. As a manufacturer, we stay alert. Research and development do not happen in a vacuum: we respond to customer field failures, insurance audits, and regulatory tightening. No one wants to learn a product’s limits after fire damage. By working with installers, electrical safety engineers, and certification labs, we design product upgrades to anticipate tougher requirements.
End-use conditions rarely match laboratory tests exactly. Unpredictable loads, non-ideal installations, and temperature fluctuations punish low-grade additives. Robust inorganic types like IFR-238 buy critical egress seconds and avoid rerouting or costly code upgrades. It’s not only about passing a flammability listing; it’s about real human safety under real-world stress.
Feedback remains the backbone of our product cycle. We gather burn test data, returns samples, and performance logs from partner plants. Successful fire barrier projects in subways, tunnels, and telecom housing all feed back into production tweaks—adjusting grind size, hydration levels, and dispersant chemistry. By tracking both successes and field complaints, our chemists see trends before they turn into broader failures.
Customers often ask for more than just the product. They want recommendations on mix ratios, extrusion temperatures, and co-additive choices. We supply these from years of hands-on factory collaborations, not just from textbooks. Working together, most customers see improved fire testing results, longer running lines, and a drop-off in recalls.
In the rare instance a new polymer blend challenges our base formulations, we scale up lab work quickly, running parallel tests across temperature, flame exposure, and mechanical aging. Open feedback loops speed these upgrades and keep plant operators confident in their raw material selection.
Flame retardancy should never be an afterthought. Overlooking material choices puts lives and infrastructure at risk, as recent major incidents keep demonstrating. As a producer, we believe a flame retardant must work without compromise in the toughest moments, not just inside a test oven. Inorganics like IFR-238 offer proven protection, rooted in real-world observation and the lessons of field failures. Our commitment lies in honest quality control, technical support, and painstaking attention to each batch so that fire protection starts with production, not reaction.
The standards rise every year, and with them, the manufacturer’s responsibility to deliver products that don’t cut corners or gamble on unknowns. Our experience shows that steady improvement, relationship-building, and a plain-spoken approach to feedback pay off—for everyone who depends on safe, resilient materials. That’s how we see the task of making inorganic flame retardants count.