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Longxiang Industrial Co., Ltd

Industrial Oxalic Acid

    • Product Name: Industrial Oxalic Acid
    • Chemical Name (IUPAC): Ethanedioic acid
    • CAS No.: 144-62-7
    • Chemical Formula: C2H2O4
    • Form/Physical State: Crystalline Solid
    • Factroy Site: Hua'an County Economic Development Zone, Zhangzhou City
    • Price Inquiry: sales2@boxa-chem.com
    • Manufacturer: Longxiang Industrial Co., Ltd
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    Specifications
    HS Code 940874

    As an accredited Industrial Oxalic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Industrial Oxalic Acid is packaged in a 25 kg white woven polypropylene bag with a moisture-proof inner liner, featuring clear labeling.
    Container Loading (20′ FCL) 20′ FCL can load about 22 tons of industrial oxalic acid, typically packed in 25kg bags, maximizing container space efficiently.
    Shipping Industrial Oxalic Acid is shipped as a solid crystalline powder, typically packed in 25 kg or 50 kg bags, drums, or fiber containers. Packaging is moisture-resistant and securely sealed to prevent leaks. During transport, it is handled as a hazardous material, with appropriate labeling and documentation in compliance with safety regulations.
    Storage Industrial Oxalic Acid should be stored in a cool, dry, well-ventilated area, away from direct sunlight, heat sources, and incompatible substances such as alkalis and oxidizing agents. Containers must be tightly sealed, clearly labeled, and resistant to corrosion. Proper storage prevents moisture absorption, contamination, and accidental contact. Personal protective equipment is recommended when handling or transferring oxalic acid.
    Shelf Life Industrial Oxalic Acid typically has a shelf life of 2 years if stored in a cool, dry, and well-sealed container.
    Application of Industrial Oxalic Acid

    Applications of Industrial Oxalic Acid in Industrial Manufacturing

    As a direct manufacturer, we supply industrial oxalic acid to various sectors demanding consistent purity, controlled reactivity, and strict adherence to process safety. Below, we provide structured insight into how leading industrial clients integrate our material into their operations.

    1. Metal Surface Treatment – Pickling and Cleaning in Stainless Steel Processing

    Oxalic acid serves as an effective agent for the removal of scale, rust, and unwanted iron compounds from stainless steel surfaces during pickling and cleaning stages. Processing lines employ oxalic acid after preliminary degreasing, immersing components in controlled baths to achieve a uniform finish and prepare metal for downstream fabrication or finishing. Direct dosing and concentration management enable operators to achieve target passivation levels and minimize base metal loss. Automated batch systems often use recirculation and on-line monitoring for pH and iron content.

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    2. Rare Earth Element Extraction and Refinement

    Miners and processors use oxalic acid for precipitation, separation, and purification of rare earth elements (REEs). The acid reacts with REE chlorides and nitrates to form insoluble oxalates, which are filtered and later calcined to yield high-purity rare earth oxides. Accurate delivery and mixing control in continuous or batch reactors prevents contamination and ensures consistent recovery yields. Real-time monitoring of pH and oxalate-to-metal stoichiometry optimizes crystallization and minimizes REE losses.

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    3. Textile Industry – Dye Stripping and Bleaching of Natural Fibers

    Manufacturers in the textiles sector utilize oxalic acid to strip persistent dyes, remove iron-based stains, and brighten natural fibers such as cotton and wool during wet processing. Dosing and exposure are fine-tuned to avoid fabric damage and maximize removal of metal-based discolorations. The acid acts at moderate temperatures, often following enzymatic or alkaline treatments. After oxalic acid treatment, thorough rinsing and neutralization steps restore the textile’s pH and ensure product safety.

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    4. Pharmaceutical Industry – Purification of Active Pharmaceutical Ingredients (APIs)

    In pharmaceutical synthesis, oxalic acid precipitates metal impurities or forms pharmaceutically accepted oxalate salts. Manufacturers employ it in purification steps for vitamins, alkaloids, and certain antibiotics. Handling protocols demand validated cleaning and documentation per cGMP. After reaction or precipitation, the process involves fine filtration, thorough washing, and precise drying, all executed in contained systems to assure purity and prevent contamination by metal or process residues.

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    5. Wood and Stone Restoration – Stain and Rust Removal

    Restoration specialists deploy oxalic acid solutions to eliminate iron-based stains, weathering marks, and tannin discolorations from heritage wood and natural stone surfaces. The application occurs via brushing or immersion, with careful surface rinsing to ensure no chemical residue. Professionals evaluate substrate porosity to determine concentration, balancing effective cleaning with preservation of original materials. This process frequently follows initial mechanical cleaning to maximize the acid’s action on stubborn contamination.

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    6. Chemical Synthesis – Manufacturing of Oxalate and Glyoxal Derivatives

    Industrial producers rely on oxalic acid as a precursor in synthesizing oxalates, glyoxal, and related downstream chemicals. The raw material enters controlled reactors, where conditions such as temperature, catalyst, and stoichiometry are managed for efficient conversion. Precision feeding, reactor residence time, and continuous process monitoring are critical for maximizing yields and ensuring consistent downstream product quality. Waste management systems handle unconverted acid and byproducts in accordance with emission standards.

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    Free Quote

    Competitive Industrial 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.

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    Tel: +8615380400285

    Email: sales2@boxa-chem.com

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    Certification & Compliance
    More Introduction

    Chemical Excellence and Responsible Manufacturing: Introducing Polyvinyl Alcohol PVA-1788

    Our Commitment to Consistency

    In the world of chemical manufacturing, experience tends to sharpen your standards. At our plant, bringing Polyvinyl Alcohol PVA-1788 to life has been a process built on refining both method and mindset. Workers measure batch by batch, starting all the way from carefully sourced raw materials to a final product that keeps performance ahead of market expectations. The numbers on a spec sheet—like 99.2% hydrolysis degree and a viscosity range consistently landing between 17 and 19.5 mPa.s—come from the lab, but the reliability backing those numbers only develops on the factory floor. No auto-mixing or hands-off automation ever replaces the steady observation of skilled technicians, who know that a small step out of line can ripple out all the way to a customer’s finished film or emulsion.

    Listening to Our Customers’ Challenges

    Polyvinyl Alcohol PVA-1788 reached our product line in direct response to repeated visits from technical managers searching for resin that wouldn’t clump, dust, or shed excess moisture. Their feedback shaped our process adjustments. Small but key choices—like extra screening to remove fines, or storing at consistent humidity—help our powder empty cleanly from its shipping bag. For operations using automated dosing or high-speed dissolving, this practical touch saves both time and material waste. Direct communication with users alerts us to trouble spots, letting us support their lines even before a call for product support comes in.

    How We Approach Purity and Control

    Odd though it sounds, not every PVA powder on the market proves itself in transparency or solubility the way ours does. Consistency carries more weight than perfection. A degree of hydrolysis too high often leaves residues and blocks downstream processes; falling too low weakens bonding and film clarity. Maintaining a narrow hydrolysis window allows formulators to set up their runs—whether in textiles, adhesives, or paper applications—with less risk of wasted batches. On viscosity, we avoid excess variation by separating out lots that drift too far near the edge. Some might see this as overkill, but it speaks to years of feedback from coatings plants fighting gels or uneven film formation. Rejects that slip through mean clogs in spray tips and lost time on factory lines, so we double down on quality controls at each handoff point.

    Model 1788: Grounded in Application

    There’s no secret formula to why Model 1788 performs well in textiles or as a binder in construction mortars. Its strength is in its middle-ground hydrolysis and targeted viscosity. Our teams learned early that too low a molecular weight led to quick dissolution but left end-products weak and susceptible to brittleness. On the other hand, excessive molecular weight improved water resistance, but working times stretched out, which threw off production planning and raised energy costs. We’ve kept the product balanced—offering enough strength for film casting or fiber spinning, while still dissolving under moderate heat in water, making it efficient for adhesive and emulsion polymerization lines.

    Adjusting for Industry-Specific Demands

    Across industries, different jobs mean different PVA profiles. Model 1788 regularly finds its way into paper coatings, where finished gloss and printability matter. In these mills, our powder’s low impurity level shines—excess acetaldehyde or sodium residues would yellow sheets or weaken ink adhesion, but we minimize these with exacting purification steps. Textile finishing plants rely on our powder’s resistance to enzymatic breakdown. Unlike some commodity PVA, our process stops contaminant carryover, making it suited for warp sizing or fiber modification. In ceramic binder applications, where resilience under firing can make or break a batch, our product’s consistency lowers risk for both new and experienced producers.

    How Our Manufacturing Process Sets Us Apart

    It helps to walk the floor of our facility to understand where value gets built. Not just in raw output, but in the way batching and drying are monitored. The reactors see a more hands-on approach than larger high-throughput facilities, which allows us to halt and correct sooner than most. When doubts come up—say, a viscosity reading strays or the hydrolysis degree dips outside target, our staff can intervene directly before issues escalate. Customers know they aren’t just buying powder; they’re getting a promise that what arrives will handle the way we said it would, bag after bag.

    Real Impacts: Examples From the Field

    One specialty adhesive manufacturer returned to us after switching to imported PVA that claimed similar grade and molecular weight. They found unpredicted problems with foaming and unexplained residue. By returning to Model 1788 and our batch-specific tracking, they saw results in shorter plant downtimes and greater finished product clarity. Another example shows in the paper and packaging area: sheet-fed printers reported better ink holdout and fewer blockages on coating heads. These gains aren’t a result of luck or generic tuning—they’re the result of fields trials, dialogue, and direct adjustments on both sides.

    Comparing to Commodity or Non-Standard Grades

    Experience has shown that products labeled with the same hydrolysis and viscosity specs can feel completely different in use. We’ve seen products made with broader hydrolysis swings cause inconsistent performance from season to season. Our Model 1788 avoids major batch variations by sticking with a smaller raw material pool and avoiding speculative blending. In textile yarn sizing, this pays off with fewer filament breaks and less machine fouling. With paper or film coatings, printability and smoothness show less variance, which keeps output predictable. Our auditing team routinely tests competitive samples for residual monomer or ash content, which often tells the story behind supply chain shortcuts.

    Application Know-How: What We’ve Learned

    Years of working with end-users has taught us that theory often falls apart at scale. Powder that dissolves well in the lab might foam excessively or sediment once large tanks come online. Model 1788’s real value comes from the field notes we’ve gathered working with printing line managers, adhesives plant supervisors, or textile process engineers. Simple tweaks—like changing the dissolution temperature or sequence of ingredient dispensing—make a significant difference. Our staff regularly visits customer sites, not just to troubleshoot but to document process data that feeds back into small but necessary product improvements.

    Supporting Formulation Innovation

    Polyvinyl Alcohol isn’t a one-size-fits-all chemical for us. Model 1788 provides the backbone for R&D labs intent on launching everything from bioplastic films to water-soluble cleaning pods. We see its adaptability in applications like wallboard adhesives and latex binders. Our product gets picked because it supports high dispersibility along with good bonding and film-forming qualities. This feedback doesn’t just come through sales—it arrives through direct lab collaborations, co-working on sample runs, or suggesting adjustments when customers tweak parameters such as pH, concentration, or heating profile.

    Chemical Safety and Workplace Responsibility

    Producing PVA at industrial scale means facing down both dust and exposure risks. Our teams invest time in close handling and dust control measures. Our powder leaves the plant with a fine particle distribution, but ongoing dust mitigation safeguards both workers and downstream users. We continually upgrade ventilation systems and offer training in safe handling, not just for compliance but for protection. PVA powders, when poorly managed, feed unnecessary losses and health worries. Learning from years of collected incident records, we configured our packaging to reduce leaks and moisture ingress, letting customers work more safely and with fewer interruptions.

    Supply Chain and Packaging Integrity

    We learned quickly that even the strongest product stumbles if packaging fails. Poly bags or kraft sacks sound routine, but tear-too-easily materials open the door to contamination. We’ve responded with reinforced multi-ply packaging—both for environmental security in long-distance shipping and stack strength in customer warehouses. Humidity testing tells us when to upgrade inner linings or switch to nitrogen flushing for certain sensitive markets. Seasonal variation in transport teaches us to anticipate and adapt, making sure PVA-1788 arrives as expected, whether the factory sits in a tundra or a subtropical zone.

    Environmental Considerations and Customer Expectations

    Manufacturing now faces sharper scrutiny. Customers ask how their inputs rate against environmental benchmarks and government regulations. We’ve trimmed our production cycle water use and control our emissions more tightly with every audit. Our discharge values for byproducts such as methanol or sodium acetate meet strict regulatory standards. Routine checks confirm results. We choose to offer full traceability not out of obligation but because downstream users often supply consumer-facing brands, and knowing exactly what goes in matters. Questions about microplastics or water solubility for PVA-1788 come up frequently—manufacturing to a base that minimizes leftover fractions or high-molecular fragments ensures our offering stays in line with global best practices.

    Building Long-Term Relationships

    One-off commodity sales never paid the bills as reliably as thoughtful partnerships. Buyers with technical backgrounds follow up with requests for detailed dissolved tests, dust generation metrics, and onsite process documentation. We treat these as the start, not the end, of collaboration. Our teams develop guides for optimal dissolution, suggest tank agitation setups, and even help flag potential contamination risks when new storage or dosing equipment comes online. These small details feed the long life of our product in regular customer systems, helping users avoid unplanned downtime or product recalls. The goal is always stability over chasing short-run sales.

    Industry Trends and Setting Practical Standards

    Tech and environmental guidelines continue to rise. Paper and film companies press for lower VOC content, meaning less leeway for off-spec PVA batches. We adopted a tighter screening protocol and responded with real-time batch tracking. Newer construction material markets look for PVA as a supplement to reduce formaldehyde in cellulose binders or cut microfibril dust. We respond by washing and filtering post-polymerization more frequently. As more customers adopt zero-waste standards or ISO compliance, our internal systems tighten their checks, making product recalls or returns rare events in a competitive market.

    Looking Ahead: Continuous Improvement

    As regulatory and consumer pressures shape the future, so does demand from our partners for ever-clearer documentation. Our team maintains a sample archive and acts on material science advances learned through regular pilot-plant experiments. By rerouting waste streams and increasing recycling rates of our process solvents, we’ve cut our own environmental footprint, and these steps filter through to the marketable value of each batch of PVA-1788. Close dialogue with chemical engineers, plant managers, and lab heads fuels not only our next product upgrades but also keeps our operation relevant in a fast-moving field.

    Why Polyvinyl Alcohol PVA-1788 Matters

    Inside end-use workshops and meetings with clients, it’s clear how much hinges on a dependable input. PVA-1788 doesn’t win awards for flash, but it provides what manufacturers actually need—stability, scalability, and clear communication. The years of back and forth with industry partners shape every detail: a powder that keeps rising to meet evolving standards and actual problems. Amid a crowded field of me-too resins and spot market deals, those who rely on predictable operations make their choices based on a track record earned, not just claimed.

    Conclusion

    Polyvinyl Alcohol PVA-1788 represents years of technical dialogue and process discipline. Through that work, we deliver not just chemical powder but end-to-end support, reliability, and adaptability across applications. Our story is written in customer production runs, real batch data, and the practical fixes that keep industry working day after day. The ongoing aim—responsible chemistry, effective partnership, and continued learning—remains the heart of how we make and stand by PVA-1788.