| HS Code | 812890 |
As an accredited Refined Oxalic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Refined Oxalic Acid is packaged in a 25 kg white HDPE woven bag with inner plastic lining, clearly labeled for industrial use. |
| Container Loading (20′ FCL) | 20′ FCL container loads 22 metric tons of Refined Oxalic Acid, packed in 25 kg bags, suitable for bulk international shipping. |
| Shipping | Refined Oxalic Acid is shipped in tightly sealed, corrosion-resistant containers, such as HDPE drums or bags with inner liners, to prevent moisture absorption and contamination. Labeling follows hazardous material regulations. Transport is conducted via road, rail, or sea, complying with international standards for toxic substances, ensuring safety and integrity during transit. |
| Storage | Refined Oxalic Acid should be stored in a cool, dry, and well-ventilated area away from direct sunlight, heat sources, and incompatible substances such as strong oxidizers and bases. It should be kept in tightly closed, clearly labeled containers made of materials resistant to corrosion. Proper storage prevents moisture absorption, contamination, and accidental reactions, ensuring safety and chemical stability. |
| Shelf Life | Refined oxalic acid typically has a shelf life of 2–3 years when stored in a cool, dry, airtight container, away from moisture. |
Refined oxalic acid serves as a high-purity chemical raw material across multiple industrial sectors. Our manufacturing expertise enables consistent quality to meet the stringent requirements of downstream production in specialized applications.
In rare earth metallurgy, oxalic acid precipitates rare earth elements from leached solutions, forming insoluble oxalates. The purity and controllable reactivity of our product minimize impurity carryover, crucial for production of high-specification luminescent materials and electronic components. The acid's consistent grade supports large-scale precipitation, purification, and conversion steps, where each variable impacts product traceability and regulatory compliance for global electronic supply chains.
Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
Oxalic acid removes rust, oxide layers, and inorganic contaminants from stainless steel, aluminum, and copper during cleaning or pickling operations. Industrial users benefit from its high chelating efficiency, which dissolves iron oxides and metallic scale without surface pitting. Our refined grade ensures low metal residue and consistent acidity, supporting the reproducibility required for electronic and high-precision engineering parts in regulated production environments.
Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
Pharmaceutical manufacturers utilize oxalic acid as a high-purity synthetic intermediate for APIs and excipients, especially where carboxylation, deprotection, or salt formation occurs. Its low heavy metal and organic impurity profile helps ensure compliance with pharmacopoeial requirements at each step of multi-stage synthesis. The material plays roles from resolution of chiral bases to acid-catalyzed transformations, with precise metering for GMP audit trails and batch-to-batch reproducibility.
Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
Textile manufacturers use oxalic acid in bleaching systems to remove ink residues, tannins, and iron-based stains from cellulose fibers and fabrics. The purity grade ensures absence of colored impurities which could deposit on white fabrics or cause downstream dye rejection. Our products support high-throughput bleaching baths and continuous fabric lines, where dosing and pH control must align with effluent standards and finished fabric quality protocols.
Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
Food and beverage factories deploy high-purity oxalic acid for periodic descaling of heat exchangers, pipelines, and stainless steel vessels. Its chelating capability targets calcium-based scale and iron deposits, improving hygiene and thermal transfer with minimal surface degradation. Food-grade manufacturing and full traceability address contaminant control, allowing compliance with international food contact material regulations during routine cleaning-in-place (CIP) or maintenance shutdowns.
Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
Laboratory and industrial QC labs employ highly purified oxalic acid for standardized titration, redox reactions, and as a reducing agent in trace metal analysis. Calibration of analytical instruments relies on reagent grade consistency, including tightly specified limits for blank values and metallic impurities. Our refined material allows laboratories to maintain ISO and GLP standards, supporting traceable documentation and method validation for global testing contracts.
Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
Competitive Refined Oxalic Acid prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615380400285 or mail to sales2@boxa-chem.com.
We will respond to you as soon as possible.
Tel: +8615380400285
Email: sales2@boxa-chem.com
Flexible payment, competitive price, premium service - Inquire now!
The industry throws plenty of technical buzzwords at calcium formate but few outfits truly know it from the inside out. We’ve spent years on the line, monitoring temperatures, handling raw materials, and optimizing batch chemistry day after day. Getting calcium formate right means more than ticking boxes on a spec sheet. The stuff you send out shapes other people’s work and livelihoods. We treat it with that level of seriousness and respect.
Our calcium formate, Model CF98, carries the simple strengths of focus and consistency. Each ton leaves our reactors true to grade: high-purity white crystalline powder that pours smoothly and stays free from unwanted color and clumps. We make sure residual methanol, insoluble particles, and other contaminants aren’t something you’ll have to clean up on your end. No shortcuts get this result — just relentless control over process and raw input. The result looks clean to the eye and reads clean in the lab. Because it is.
The process relies on precision. We don’t batch-blend scraps or tolerate half-processed slurry. Years of tuning reactor flow, filtration, and drying conditions have let us pair low heavy-metal levels with balanced pH and high assay values. Standard specifications include purity above 98%, moisture below 0.5%, and limited insolubles. Yet it’s not the spec table that brings returns — it’s knowing those targets are nailed every time. Most issues we hear about with imports or “off-brand” material stem from skipping process steps or getting cheap with raw calcium and formic acid. Our buying team keeps the supply chain short and transparent. Material comes from long-standing, approved sources and sees real traceability in-house. Nothing enters the system that we wouldn’t put on our own floors.
Day in, day out, we ship to dry-mix mortar plants, leather tanneries, and livestock nutrition bottlers. Each market leans on calcium formate for different reasons. In construction, our product works as a rapid setting accelerator in cement-based mortars, giving consistent strength gain and less scatter in set times — especially when working at low temperatures or under tight deadlines. Construction crews trust that strength won’t yield or turn brittle after repeated tests and field use. Tanners and finishers, on the other hand, want calcium formate for its acidification control, avoiding overacidification that ruins hides. Uniform particle size and genuine solubility gives predictable reaction — we’ve toured enough tanneries to see the color and texture results ourselves. For animal feed, feed-grade standards matter even more, so we tighten control on lead and arsenic content, watching every batch meet GMP-level expectations. Our clients don’t want to explain recalls or blocked shipments when standards fail. We build in safety from the ground up, rather than gambling with bulk blends or uncertain supply routes.
CF98, our core model, runs at reliable chemical strength — typically over 98% calcium formate with less than 0.5% free moisture. Our in-line monitoring counters both batch-to-batch drift and storage issues. Particle sizing gets particular attention: too coarse and it struggles to disperse, too fine and it dusts up handling rooms. After years watching users measure and mix product on job sites, we’ve standardized a powder that stays free-flowing — no excessive lumping after a humid day in an unopened drum. True, good handling practices matter, but the starting point comes down to powder characteristics. You never hear a complaint about sticking, bridging, or delayed dissolution on our outgoing lots. Our filters sort out scale-formers, leaving behind a clear solution wherever full solubility is demanded — a plus for folks using automated dosing systems and slurries. We monitor bulk density so end users can feed and measure product without recalibrating equipment or clearing blockages.
As direct manufacturers, we hear from folks who learned the hard way after buying from traders or resellers mixing product from different upstream sources. Frequently switching suppliers leads to erratic supply, varying quality, or contamination surprises, particularly with heavy metals, methanol, or excess chloride. Unlike brokers, we have eyes on every stage, so every bag can be traced back to specific process runs — all the way to incoming lots of lime and acid. Keep in mind, pricing in the gray market might look tempting on the surface, but hidden costs show up in wasted time, failed tests, fines, or even full lot rejections. Many construction operators and feed nutritionists come to us after spending weeks sorting out hidden issues with third-party batches. We put this experience to work by keeping traceable, in-house chemistry and clear audit trails. No surprise swaps or relabeled stock. When issues arise out in the field, we send real technical personnel—compressed timelines and real-world headaches don’t get solved by a generic product sheet. Our support team draws on direct lab and production backgrounds. Customers come away with practical advice that fits their operations as well as our own.
Some might chase premium by branding or adding layers that don’t change the core chemistry. Our approach stays practical and focused. Technicians rely on certified lab reports, but we maintain that what shows up in the lab is what went into the bag — no surprises. Most problems pop up in the real world, not in paperwork. Humidity during transport, poor packaging, variable feed rates — all these can make or break a batch in use. We pack and palletize so that drums stay tight, strong, and dry after weeks on a train or under a tarpaulin. Years of field feedback steered us to 25kg polyethylene-lined bags as a standard — not because a spec demanded it, but because customers asked for it after seeing cheaper bags break or leak on warehouse floors. Our quality management team tracks not only outbound QC, but also customer field complaints or improvement requests. Regular visits to sites and steady contact with repeat buyers play a crucial role: not every batch needs a lab investigation, just an honest look at how it performs in the real world.
Trust comes slowly in this market, especially when calcium formate affects long-term project results and regulatory compliance. That’s why our process stays as open as possible. Customers know where their product came from, what that run’s raw materials were, and which team ran QA on it. This level of traceability makes recall risk nearly zero. During audits, every shipment and run stays open for review from ingredients to process records. For clients in the EU or North America, this transparency shortens and strengthens due diligence — importers and end-users spend less time worrying about documentation, more time running their operations. We back each batch with full COA and, where relevant, comply with feed-grade registration rules and construction chemical norms. It’s a long game: staying in business means owning mistakes, flagging problems before they reach the customer, and building trust that lasts over years instead of a single deal.
Product development doesn’t finish with the first perfect run. Each year, we listen to regular buyers and frontline users — construction foremen, plant operators, and tenacious lab techs — for needed tweaks or problem-solving. In hot, humid regions, we added moisture barriers to packaging after seeing excessive caking on job sites. We’ve adjusted drying temperatures to avoid thermal degradation that affects long-term stability without pushing up unwanted byproducts like calcium oxide. Regular equipment upgrades, from high-efficiency filters to automated control valves, let us hit tighter moisture and purity targets. When a tannery flagged color issues in leather batches, we traced the problem to a subtle shift in our feed acid’s source, caught and corrected before it spread wider through the line.
On the safety side, the feed industry’s raised standards set the pace. Reducing lead and arsenic content meant a dedicated pre-screening of raw lime stocks, not just relying on lot-by-lot testing. Those upstream checks now shield both us and our animal feed partners from tough import inspections. With construction, the focus stayed on reliable strength acceleration through winter pours and overnight applications. Customers tell us straight if something doesn’t flow or finish as before: the practical, ground-level critique matters as much as the standard certificate.
Calcium formate’s value builds in at the first step — at the factory, in the feed mixer, or in a centuries-old tannery. In dry-mix mortars, users want fast, reliable set in cold and damp conditions, saving time on site while minimizing labor and repairs. Most of our construction accounts buy in winter, knowing batch-to-batch consistency counts. The tough part isn’t writing a target rate or mixing instruction. It’s getting enough feed speed and dispersibility in real drum mixers and silos, especially when product spends weeks in changing temperatures. Here, particle size and purity matter as much as reported assay numbers.
For the feed market, requests come from both large-scale integrators and smaller operations looking for enhanced preservation via pH reduction. They count on our ability to keep heavy metals well below limits set by EU and Chinese authorities. Tanning and leather finishing buyers depend on purity and solubility as they chase exact shades and finishes in everything from handbags to upholstery hides. A stray impurity or non-dissolving dust ruins hours of work — and their buyers notice. Our direct feedback channels, informed by years of “boots-on-the-ground” visits, let us pair lab data with user outcomes, raising confidence with every repeat order.
As manufacturers, every kilo is proof of our process and reputation. Intermediaries and traders can sell on price or spec, but we put our name to every drum and bag because the outcome reaches further: bridges set strength by chemical reaction, animal feeds feed real lives. The hands-on approach carries its own set of responsibilities. Our plant crews know their work shapes jobs, safety, and trust with every shipment. QC samples stack up not just as numbers, but as a record of years of no-reject lots and swift, honest handling anytime issues emerge.
We see plenty of competitors push excess claims or “premium” tags via clever marketing or shiny certificates. At the end of the day, calcium formate works or fails at the job site, in the mixer, or on the production wall. Running steady, well-tested chemistry with open communication beats tricks and quick deals every time. Experience from consistent manufacturing gives the long-view edge: reliability, transparency, and rapid response for every challenge, from paperwork to performance.
Repeat business is never accidental. Over years, returning customers reinforce the basics: if calcium formate works for their needs, arrives on time and meets real-world expectations, they return. If it misses the mark through poor handling, inconsistent specs, or unknown origins, they risk more than lost product — they gamble with finished goods, compliance, and their own hard-won clients. We build our systems and teams for these long-term stakes, so success for us means fewer panics, fewer bottlenecks, and a steady flow of clean, reliable material where and when it’s needed.
This approach benefits both sides: as manufacturers, we gain strict process discipline and direct, candid feedback for ongoing improvement. End users gain from knowing their calcium formate stands up to the rigors of day-to-day operations, not just a piece of paper. Each lot is more than a batch number — it’s trust made tangible, from our factory floor to their field, plant, or workshop. With every order, we earn another page in that longer story.