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HS Code |
946432 |
| Product Name | HIFULL Aluna-2302 Fumed Aluminium Oxide |
| Bet Surface Area | 55 m²/g |
| Chemical Formula | Al2O3 |
| Appearance | White powder |
| Primary Particle Size | 15-30 nm |
| Purity | ≥99.9% |
| Loss On Ignition | <2% |
| Bulk Density | 50-80 g/L |
| Ph Value | 4.0-5.5 (4% suspension) |
| Crystal Phase | Gamma (γ-Al2O3) |
| Moisture Content | <0.5% |
| Specific Gravity | 3.7-3.9 g/cm³ |
As an accredited HIFULL Aluna-2302 Fumed Aluminium Oxide (BET=55㎡/g) factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging is a 10 kg sealed kraft paper bag with double-layer plastic lining, labeled "HIFULL Aluna-2302 Fumed Aluminium Oxide." |
| Container Loading (20′ FCL) | 20′ FCL can load 5,000 kg of HIFULL Aluna-2302 Fumed Aluminium Oxide, packed in 10kg bags with pallets. |
| Shipping | HIFULL Aluna-2302 Fumed Aluminium Oxide (BET=55㎡/g) is securely packaged in 10 kg fiber drums with inner polyethylene liners to prevent moisture and contamination. Shipments comply with standard chemical transport regulations, ensuring safe road, air, or sea transit. Handle with care to avoid dust generation and exposure. |
| Storage | HIFULL Aluna-2302 Fumed Aluminium Oxide (BET=55㎡/g) should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from moisture and incompatible substances. Protect from physical damage and direct sunlight. Avoid generating dust when handling. Keep the storage area clean, and ensure appropriate labeling to prevent accidental misuse or contamination. |
| Shelf Life | The shelf life of HIFULL Aluna-2302 Fumed Aluminium Oxide (BET=55㎡/g) is typically 24 months under dry, sealed storage conditions. |
Applications of HIFULL Aluna-2302 Fumed Aluminium Oxide (BET=55㎡/g) in Industrial ManufacturingHIFULL Aluna-2302 fumed aluminium oxide serves as a high-performance functional additive across several industrial fields, leveraging its high surface area and nano-scale morphology for advanced material engineering. Below, we detail primary downstream applications, compliance frameworks, dosage guidelines, integration flows, and downstream product endpoints. 1. Lithium-Ion Battery Separator CoatingsThe increasing safety and energy density demands in lithium-ion battery production drive the use of fumed aluminium oxide as a ceramic separator coating. The product’s high BET surface area effectively forms a thermally stable, non-conductive barrier on polyolefin membranes. This property directly improves heat resistance and cycle stability during cell assembly, especially for high C-rate applications. Manufacturers typically disperse the material in a PVDF or water-based binder and apply it via continuous roll-to-roll slot die, preventing thermal shrinkage and ensuring uniform coating thickness across hundreds of meters. Final cell performance depends on precise control of coating thickness and loading per square meter. Industry compliance standards
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2. High-Gloss Powder Coating AdditiveFumed aluminium oxide enhances surface gloss, abrasion resistance, and flow levelling in high-performance epoxy and polyester powder coatings for appliances, automotive parts, and outdoor metal equipment. The nano-sized particles improve smoothness without over-thickening, allowing powder coating makers to achieve mirror-like finishes while passing abrasion and boiling water resistance tests. The material enters the pre-mix with resin, pigments, and other fillers; high-shear mixing ensures even distribution before extrusion and micronization. Downstream application usually employs electrostatic spraying followed by high-temperature curing in continuous industrial ovens. Industry compliance standards
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3. Technical Ceramics and Electronic SubstratesThis material supports increased mechanical strength and sintering control in advanced alumina-based ceramic components such as substrates for electronics, insulators, and precision wear parts. Its high reactivity and fine particle size mean end-users can reduce firing temperature and mold complex geometries with fewer micro-defects. The additive stage typically follows bulk alumina blending, either wet or dry, with careful rheological management to prevent particle agglomeration. For multilayer substrates, it contributes to high-density, low-porosity microstructures after high-temperature firing. Industry compliance standards
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4. Polymer Composite Reinforcement for Engineering PlasticsThe high surface area and functional groups of the fumed aluminium oxide product facilitate enhanced tensile strength, dimensional stability, and flame resistance in high-performance engineering plastics such as polyamides, polyesters, and thermoplastic polyurethanes. Compounders incorporate this material at the masterbatch stage, usually through twin-screw extrusion, achieving uniform dispersion and improved processability. Adjustments to loading and surface treatment address polymer compatibility and downstream conversion (injection, extrusion, or blow molding), delivering tailored mechanical properties for demanding applications in automotive and electronics. Industry compliance standards
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5. Abrasive and Polishing Slurry ComponentThe consistent particle size and high purity of fumed aluminium oxide make it an essential ingredient in advanced slurry systems for industrial polishing of optical glass, silicon wafers, and hard-disk substrates. Slurry formulators add the product to control hardness and cut rate, optimizing surface roughness targets and minimizing subsurface damage. Integration occurs at the initial wet dispersion step, often using rotor–stator homogenizers to achieve stable suspensions for high-throughput chemical mechanical planarization (CMP) lines. Industry compliance standards
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6. Catalytic Support Material for Industrial Gas Phase ReactionsThe nanostructure and high surface area of this alumina type support effective metal dispersion in catalyst manufacture for petrochemical and environmental applications. The material enables precise metal loading and thermal stability in systems like hydrodesulfurization, selective catalytic reduction (SCR), and VOC oxidation. Downstream catalyst makers introduce it during metal precursor impregnation or spray drying, achieving tunable porosity and surface chemistry for optimized catalyst life and activity under harsh process conditions. Industry compliance standards
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Competitive HIFULL Aluna-2302 Fumed Aluminium Oxide (BET=55㎡/g) prices that fit your budget—flexible terms and customized quotes for every order.
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Experience on the production floor brings new understanding to every batch and every grade. HIFULL Aluna-2302 Fumed Aluminium Oxide, defined by a high BET surface area of 55㎡/g, reflects years of process refinement. Over time, methods evolve, but the value of reliable fumed alumina remains constant for us and for those who depend on it.
Producing this material draws on deep knowledge of controlled hydrolysis and precise combustion technology. What hits the market as Aluna-2302 develops through monitored oxidation under high temperature, where quality hinges on careful air and feedstock flow. We know every kilogram heading out meets strict purity, particle size, and surface chemistry targets. Trace metals and moisture content receive specific attention, as batch consistency keeps downstream performance steady.
A range of specifications exists in the world of fumed oxides, yet not all are built for high-surface demanding roles. Aluna-2302, with its 55㎡/g surface area, lands squarely in the bracket essential for catalysis, specialty ceramics, advanced coatings, and energy storage. Years in ceramics and battery manufacturing have proven to us that surface area and purity drive end-product performance, often more than broader bulk physical properties. Whether reinforcing thermal insulation or acting as a polishing base, the total surface area gives a measurable difference.
Process attention starts with the purity of aluminium feed. Impurities spoil more than just analytical data—they trigger site-level maintenance issues and compromise downstream customer operations. By controlling the flame hydrolysis process, we shape primary particles into unique three-dimensional fumed structures. These are discrete, chain-like aggregates rather than simple, dense crystallites. Our staff recognizes fumed alumina on sight; it’s fine, white, and, when handled, has a characteristic lightness unique to truly well-dispersed material.
The BET surface area, at 55㎡/g, sets Aluna-2302 apart from denser, sintered materials. A dense, fused alumina grit brings strength to abrasives, but lacks the reactivity and fine control demanded in catalysts or advanced polishers. Fumed alumina’s high surface area translates directly into more available reactive sites, essential in heterogeneous catalysis or as diffusion aids within ceramic matrices. We’re often asked what sets our Aluna-2302 apart—the answer points back to the aggregate’s fractal structure and chemical consistency, not just the metric on paper.
Uniform distribution of particle size promotes easier dispersion in both aqueous and solvent systems. Large, fused grains behave differently and require more energy to disperse. Fumed Aluna-2302, with a typical diameter in the nanoscale range, remains light, fluffy, and uniquely reactive. Our blending engineers prefer this grade for high-load composites, where strong matrix interaction is key. From casting slurries to functional thin films, the structure of the alumina directly impacts final product integrity.
Colleagues in ceramics and functional coatings know the difference when switching between flame-derived and other types of alumina. Aluna-2302 imparts mechanical strength at levels that denser grades can’t match. This matters in substrates meant for high-stress or high-temperature use. In electronics, our customers have pushed the boundaries of what alumina can reinforce. Every extra square meter per gram translates to more surface for dielectric layers to adhere or for interface reactions to occur.
In battery separators and advanced electrolytes, purity and complete surface activation take precedence. Many separators built for lithium-ion and sodium-ion platforms rely on consistent fumed alumina coatings. Laboratory feedback makes it clear: a small shift in purity or a change in surface structure often correlates with end-of-life performance in cells. Beyond just longevity, usable power output and thermal tolerance show real improvements with consistent batches. Our technical teams collaborate with industry partners to adjust the process whenever new battery chemistries present demands outside the usual envelope.
Optical and semiconductor applications also benefit. Polishing slurries made from Aluna-2302 routinely show superior scratch resistance and speed up planarization without excessive micro-defect risk. Chemical purity reduces the likelihood of trace contamination, which is critical in high-end chip fabrication. Here, specification drift from the manufacturer's side cannot be covered by distributors or on-paper assurances. On inspection tours, many partners have seen firsthand how slight humidity variations or trace metal content changes will appear in wafer yields or coating adherence issues.
Each fumed alumina variant holds a distinct place within manufacturing circles. Lower BET grades, produced under reduced flame intensity or altered feed ratios, often carry a larger aggregate size and diminished reactivity. For bulk filler uses or standard wear-resistant ceramics, these types work when ultra-high surface isn’t necessary. With Aluna-2302, every gram brings the highest possible number of active sites—ideal when end products demand fast reaction rates, thorough mixing, or fine electronic interface control.
Some lines in the market push for higher purity or more aggressive surface treatments, often through secondary milling or coating steps. We’ve seen that these efforts sometimes bring diminishing returns, especially if core particle structure is compromised. Over-shearing or surface modification can break agglomerate bonds and reduce actual usable surface, despite higher purity readings. Aluna-2302 skips unnecessary steps, focusing on maintaining the aggregate’s original, controlled morphology and inherent surface activity.
Comparisons with other oxides underscore these benefits. Standard alumina hydrate offers good volume, low cost, and basic functionality—it serves well in volume applications like flame retardant fillers or low-demand ceramics. Fused alumina maintains high mechanical strength, perfect for grinding wheels and heavy-duty abrasives, but the process prevents the formation of the chain-like nanostructures and expansive surfaces that catalysis and high-end coatings require. Fumed Aluna-2302 fills the gap, driving results in more advanced, niche applications where surface area and reactivity cannot be sacrificed.
It is common in the market to find fumed alumina with a broader particle size distribution, which often signals inconsistent process control or shortcut production. Over the past decade, we’ve dedicated capital to in-line monitoring and feedback loops, using both offline and online surface area measurement methods, so every batch of Aluna-2302 lands within a narrow tolerance window. The customer, in this case, experiences much less rework and saves on process additives or dispersing agents. Fewer process surprises equate to smoother scale-ups, with less unplanned downtime.
Every manufacturing veteran knows that fumed alumina’s high-surface nature is both strength and challenge. The same surface that activates molecular reactions can also inspire rapid moisture pickup or unwanted caking during storage or mixing. Quality handling solutions begin at the plant—our packaging lines use moisture-barrier liners, and warehouse protocols enforce rotation and environmental control. Throughout the supply chain, keeping fumed alumina dry and free-flowing enables trouble-free feed into downstream processes.
Customers in resin or polymer mixing sometimes see initial clumping if Aluna-2302 meets high humidity before mixing. Over the years, field service has proven that pre-dispersion steps with proper wetting agents solve this concern. Our technical service teams walk through blending protocols, sharing experience built from hundreds of campaigns. Application success doesn’t just depend on the raw material; it comes from a willingness to share best practices gained through pilot plant work and industrial roll-outs.
Another field concern comes from environmental controls. Nano-sized powders need careful handling. Engineer-led training at our plant and at customer facilities focuses on minimizing airborne particulates, using sealed transfers, and maintaining negative-pressure mixing spaces. Our approach to safety doesn’t rely on minimum standard compliance; company culture expects continual upgrades, tracking both external regulatory changes and internal lessons learned. Staff turnover drops wherever this mindset takes hold, as people understand the value in careful, collaborative manufacturing.
Markets cycle and priorities change, but the demand for rooted, reliable supply never fades. As the manufacturer, we maintain stock to match real-world demand, not just forecasted peaks. Inventory sits within monitored warehouses, so every shipment carries a transparent production and inspection history. Over the past years, global logistics has introduced its share of disruption. Having in-house production control and redundant critical machinery gives us coverage rarely matched by traders or third parties.
We keep batch-level records and allow technical audits. Research partnerships and industrial clients visit production and packaging lines annually—this direct access keeps our process current and honest. Some buyers have shifted away from too-standardized suppliers, citing the predictability and transparency of documented hands-on manufacturing as a chief reason. No glossy spec sheet can replace the confidence built from walking a shop floor, viewing control logs, and talking with shift operators.
Sourcing from the actual manufacturing origin means consistent quality, timely troubleshooting, and straightforward supply planning. Direct communication with our application engineers saves time on both sides of the transaction. When formulation changes, new pilot lots, or sudden peak demand arise, our engineers draw from years of plant and market knowledge to rapidly scale up or adjust deliveries, minimizing both stockouts and unnecessary inventory buildup. Technical advice aligns closer to production reality, avoiding costly formulation dead ends.
Production methods impact more than just output—energy demands, emissions, and waste streams all matter. By adjusting feed ratios, optimizing combustion efficiency, and continually renewing air filtration systems, we reduce environmental impact while keeping product quality stable. Our target is not only regulatory compliance but also long-term resource sustainability. This gets attention during every plant maintenance period, with both staff and managers invested in lowering carbon footprints, reclaiming process water, and recycling off-grade products where possible.
Years in the chemical industry teach hard lessons about improvement cycles. Fetching high BET values without sacrificing throughput or margin comes only through gradual upgrades—software enhancements, new flame tube designs, and better refractory linings all add up. We reinvest in lab and pilot facilities to trial new reactor setups. Sharing results with users and soliciting feedback sharpens future developments. The manufacturing team draws real satisfaction from seeing incremental improvements manifest in more predictable lots and higher customer yields.
Outside the plant, sustainability also means nurturing skilled personnel. Training programs built for both new recruits and experienced hands pass down safety practice, process troubleshooting, and root cause investigation methods. Attrition drops when operators know their input influences not just next month’s output, but next year’s quality standards. This kind of culture anchors consistent Aluna-2302 production, year after year.
Our customer relationships run deeper than transactions. Teams from the semiconductor or ceramics sector often pilot experimental batches, pushing us to refine everything from process temperature points to packaging specifications. Adjustments can start with an unexpected lab result or a new application’s requirement for turbidity or conductivity. Bringing these requests into our process lab, we test on the same scale and conditions as our partners. Many of our improvements to Aluna-2302 have come from this direct, pragmatic give-and-take, rather than from following top-down, market-wide trends.
By responding to rigorous downstream demands—cleaner product surfaces, faster re-dispersion rates, or modified aggregate sizes—we continue to keep HIFULL Aluna-2302 a reliable option, not just a static, cataloged product. The spirit of continual refinement, rooted in shop floor experience and customer collaboration, lets us offer a fumed alumina grade that stands up to repeated, real-world use across specialty markets.
Failures and setbacks have marked the journey. Not every production trial delivers the predicted result, and some market experiments fail to find stable footing. Unplanned downtime, inconsistent yield from old reactors, or packaging issues that result in premature caking have all served as lessons. The team uses every setback as an impetus for problem-solving, with cross-discipline meetings involving plant engineers, analytical chemists, and application managers. These sessions generate incremental fixes—a change in flame nozzle profile, a tweak to storage humidity, a revision in sample retention policy. In time, these add up to reductions in customer complaints, improved feedback data, and steadier output figures.
The pressure to develop even higher surface area grades continues, driven by battery advances, new catalytic processes, and evolving semiconductor protocols. Yet, balance matters. Ultra-high specific surfaces tempt process instability, faster moisture pickup, and handling concerns. Every new step up in area costs capital and technical discipline. As a manufacturer, we’d rather supply a predictable 55㎡/g material with decades of cumulative know-how than chase marginal surface increases that undermine stability or cost control.
Sourcing challenges shape the raw material landscape. Reliable supply lines for high-purity aluminium feedstock demand strong supplier relationships. We vet upstream partners, avoiding shortcuts that can lead to contamination or supply tightness. Batch testing and process simulation ferret out changes before they become large-scale deviations.
In response to changing global logistics, we engage directly with freight operators and invest in buffer inventory at regional warehouses. Delays and market shakeups still pose risks, but hands-on involvement limits impact. Delivering HIFULL Aluna-2302 isn’t just about filling trucks—it’s about timely documentation, shipment tracking, and proactive communication channels, minimizing downstream disruption in global production flows.
As performance requirements evolve, the technical support structure stands ready to help customers adapt. Whether exploring new binder systems for ceramics, adjusting electrode coatings in batteries, or trialing novel polishing slurry blends, we bring manufacturing knowledge to the table. The feedback loop stays open: customer process changes inform minor plant equipment upgrades and plant floor retraining schedules. This symbiotic process ensures every new batch of Aluna-2302 reflects not just industrial capability, but market need.
Years in chemical manufacturing underscore a simple truth: what leaves the plant reflects both expertise and partnership. With HIFULL Aluna-2302, we deliver not just a high-surface fumed aluminium oxide, but a product shaped as much by customer experience as by internal discipline. By sticking to quality, process transparency, and close user collaboration, we maintain a fumed alumina grade that continues to set standards in electronic materials, ceramics, energy storage, and high-end polishing. In a world hungry for advanced materials, the reliability behind every batch makes the difference.
