Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing admin@sinochem-nanjing.com 3389378665@qq.com
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Tannins May

    • Product Name Tannins May
    • Alias tannins-may
    • Einecs 310-127-6
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    Specifications

    HS Code

    319753

    Product Name Tannins May
    Type Dietary Supplement
    Main Ingredient Tannins
    Form Capsules
    Serving Size 1 capsule
    Servings Per Container 60
    Manufacturer May Support Health
    Intended Use Digestive Support
    Country Of Origin USA
    Allergen Information Free from gluten, dairy, and soy
    Storage Instructions Store in a cool, dry place
    Expiration Period 2 years from manufacturing date

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

    Packing & Storage
    Packing The packaging for Tannins May features a sealed, opaque 500g plastic pouch with clear labeling, usage instructions, and safety warnings.
    Shipping Tannins May should be shipped in tightly sealed containers to prevent moisture exposure and contamination. Store and transport in a cool, dry, and well-ventilated area away from strong oxidizers. Ensure proper labeling according to regulations. During shipping, handle with care to avoid spills or leaks. Not classified as hazardous for transport.
    Storage Tannins May should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area, away from direct sunlight and sources of heat or ignition. Keep the chemical away from incompatible substances such as strong oxidizers. Ensure the storage area is free from moisture and properly labeled. Avoid excessive humidity to prevent degradation or clumping of the product.
    Application of Tannins May

    Purity 98%: Tannins May Purity 98% is used in industrial water treatment processes, where it efficiently reduces heavy metal ion concentrations to meet regulatory limits.

    Molecular Weight 1700 Da: Tannins May Molecular Weight 1700 Da is used in leather tanning applications, where it provides enhanced penetration and uniform coloration.

    Particle Size 40 microns: Tannins May Particle Size 40 microns is used in feed additive formulations, where it improves dispersibility and bioavailability for animal nutrition.

    Viscosity 120 cP: Tannins May Viscosity 120 cP is used in adhesive manufacturing, where it contributes to optimal bonding strength and application uniformity.

    Stability Temperature 180°C: Tannins May Stability Temperature 180°C is used in polymer composites processing, where it maintains antioxidant functionality under high thermal stress.

    Melting Point 215°C: Tannins May Melting Point 215°C is used in resin synthesis, where it allows higher curing temperatures without degradation.

    Ash Content 1%: Tannins May Ash Content 1% is used in food preparation as a clarifying agent, where it ensures product purity and sensory quality.

    Solubility 95% in water: Tannins May Solubility 95% in water is used in beverage stabilization, where it improves haze removal efficiency and shelf life.

    pH 4.5: Tannins May pH 4.5 is used in winemaking fining processes, where it achieves optimal protein precipitation and clarity.

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    Certification & Compliance
    More Introduction

    Tannins May: Reliable Consistency from Decades of Manufacturing Know-how

    Understanding Tannins May: Decades in the Making

    As chemical manufacturers, our involvement with tannin extraction stretches back to our earliest days in the industry. Tannins May, our flagship tannic acid powder, comes out of years spent refining extraction, purification, milling, and drying processes. With every shipment, we bring experience built up over years of hands-on research, pilot plant testing, and cooperative work alongside our largest customers—specifically those in pharmaceuticals, food, leather processing, water treatment, and animal nutrition. We have always focused on direct feedback, not market trends or rumors, and taken a practical approach to evolving production lines.

    We produce Tannins May under set batch protocols in order to maintain a steady physical and chemical profile: color typically runs light brown or golden beige, the mesh size falls within the range favored for both powder blending and rapid dissolution, and the total polyphenol content stays within customer-requested parameters according to independently verified laboratory reports. Over the years, we have seen steady demand for tannin products with good dispersibility in water, low insoluble residue, and predictable reactivity in complex process environments.

    Factories using Tannins May often transfer the powder into solution tanks for liquid application, blend it into granules or capsules, or dose it directly into chemical reactors. Our own engineers routinely visit customers to address foaming, dissolution or filtration bottlenecks linked to natural extract variability, helping teams fine-tune feed rates and filtration system choices. Tannins May undergoes targeted quality checks for heavy metals and microbiological contaminants, and we keep analytical batch reports for every lot produced since our earliest years. A consistent tannic acid profile remains our core promise.

    What Sets Tannins May Apart from Other Tannin Powders

    Tannins May is not another generic “tannin blend” mined from mixed sources and standardized by third-party treatment. As a manufacturer, we choose and process raw botanical feedstock in-house—meaning we control the wood or nut fraction, harvest season, and immediate extraction steps. Many commercial tannin powders stem from reprocessed factory byproducts, leaving them variable in composition and performance. Our material starts from controlled wood species and undergoes water-based extraction at set temperatures, followed by sedimentation and vacuum evaporation. This sequence, developed after years troubleshooting both colorants and protein flocculation reactions, keeps batch-to-batch properties tightly within customer expectations.

    Cheaper tannins often pass through basic drying and minimal filtration, which can result in dark, sticky powders laced with sugar residues or poorly soluble gum. Experience taught us through countless hours spent clearing clogged feed lines that random color or “burnt” taste traces translate to wasted product, frequent line stoppages, or failed color indices in sensitive end-use formulas. By establishing a multi-step purification with both hot and cold filtration, along with in-process pH and turbidity tracking, Tannins May routinely outperforms alternatives in clarity when dissolved, and in shelf life when stored in warm, humid climates.

    The Technical Side: Model, Specifications, and Formulation Guidance

    Tannins May comes as a fine, pale-amber powder, carrying a minimum polyphenol value of 92% as measured by UV spectrometry using a gallic acid calibration. Total tannic acid after hydrolysis regularly checks in between 71-76%, a point confirmed by external laboratory analysis every quarter. Loss on drying does not exceed 8%, and mesh distribution follows a 100-mesh sieve, well-suited for both liquid and solid applications. Heavy metal values (lead, cadmium, arsenic) remain far below regulated thresholds, supported by certification with each production lot.

    We have talked with many technical teams looking to swap from crude tannins over to Tannins May. Discussions usually come down to two considerations: does the product dissolve cleanly in RO water with gentle stirring, and do any “off-tastes,” “off-odors,” or reddish suspensions carry over into the final blend or solution? After years running both customer- and pilot-scale tank trials, we know Tannins May does not cake or clump in humid storage and resists the “cooked” smell some solvent-extracted tannins give off. This matters in food and nutraceutical manufacturing, where flavor profile and minimal microbial growth become key points.

    Our technical support group collects feedback on filtration and clarification times at customer facilities. Reports indicate Tannins May produces fines below 50 ppm after 30-minute settling in agitated mixing tanks—eliminating the clouding or persistent turbidity often blamed for fouled downstream membranes. Specialty chemical formulators working in adhesives, coatings, or microencapsulation frequently mention consistent throughput gains and reduced waste when switching to Tannins May for its higher purity and reduced residue footprint.

    Why Tannins May Stands Out: Process Control and End-User Support

    Having spent years in direct process management, our engineers emphasize the value of keeping everything in-house: raw botanical selection, careful temperature management, gradual solvent cycles, and on-the-floor sampling before and after drying. Larger chemical plants have sometimes taken shortcuts out of expedience or cost reduction—mixing various tannin fractions that sound similar in a sales brochure but diverge once they hit the tank. This “generic” tannin approach shortchanges users at the point of scale-up: batches suddenly separate, filtration rates slow to a crawl, and operators find themselves adjusting dosing every shift.

    Our product specialists, drawn from the plant floor and research laboratory, remain available to help teams diagnose inconsistencies not explained by published data sheets. Years spent running both open and closed extraction reactors for tannin solutions have taught us how raw water quality, ambient humidity, and slight seasonal shifts alter extract yield and powder consistency. We track these factors so end users do not face unexplained swings in product appearance or reactivity. Should a customer experience an off-color suspension or precipitation in their finished blend, we dive into both recent lab records and historical batch notes to identify root causes. The focus lies in solving issues at the source rather than reciting claims from a sales booklet.

    Practical Applications: Lessons Learned from Our Customers

    Most of our product improvements come from real-world challenges. Water treatment plants commonly use Tannins May to remove metals, proteins, and color from both drinking and industrial water streams. Facilities pushing for greater throughput have switched away from crude tannins that haze membranes, based on our ability to supply a more purified and consistently soluble grade. We’ve worked through production runs interrupted by filter plugging or inconsistent sedimentation, arranging site visits and sending R&D teams on short notice to get dosing and filtration parameters in line.

    Leather tanneries require steady astringency and penetration depth in tanning baths. Tannins May supplies the required molecular weight fraction for strong collagen binding, minimizing the risk of patchy tanning or unpredictable surface finish. Our technicians have walked plant floors across the region, helping troubleshoot residue build-up in drums and inconsistent foam formation, guiding customers through incremental changes to water temperature, tannin concentration, and auxiliary chemical use. This direct technical help sharply differs from the hands-off, third-party model, where users have little recourse but to switch suppliers at the first sign of trouble.

    Pharmaceutical and nutraceutical brands often face stricter scrutiny over raw extract contamination. Years back, we worked with a plant hit by recurring “off-spec” test results due to heavy metals in a bought-in tannin batch. Tannins May delivered cleaner batches from carefully tracked wood feeds and monitored extraction columns, eliminating weeks of wasted blending runs. This hands-on troubleshooting, and open discussion of analytical data, proved essential in regaining plant confidence and restoring product flow. Having full records on every lot—date of wood harvest, extraction log, and filtration steps—meant we could pinpoint and fix the root cause, not just treat the symptoms.

    In-House Quality Measures and Documentation

    Full transparency and record keeping set our product apart in a marketplace crowded with generic tannin offerings. Every batch of Tannins May receives full laboratory analysis before shipment: polyphenols by UV-VIS, total soluble content by gravimetric testing, and a micro analysis for total viable bacteria count and fungi. Samples retained from every lot go through accelerated stability and storage testing, ensuring that performance metrics hold up in various climates.

    We provide copies of lab reports and a complete certificate of analysis covering every shipment, not just a summary sheet or generic compliance note. Tech teams are encouraged to submit questions directly to process managers. Many of our most valued long-term partnerships grew out of ongoing troubleshooting—swapping raw material samples, adjusting feed temperatures, or rechecking impurities that slipped past initial screens. We see these detailed records, and willingness to discuss out-of-spec results, as the backbone of both product quality and customer trust.

    Addressing Common Pitfalls in Tannin Sourcing

    Much of the frustration we see among new customers traces back to inconsistent supplies from traders or non-producing middlemen. Anonymous “bulk tan powder” often blends material sourced from several factories or extraction methods, leading to batch swings in color, solubility, and mineral content. Our experience suggests that direct communication and proof of manufacture matter far more than the claims printed on a speculative data sheet. We invite teams to ask for detailed analytics, sample retention times, or any lab record extending back a decade—we keep them all.

    Problems like unexpected clumping or poorly filtered fines rarely result from laboratory error; almost always, the source traces back to fluctuating feedstock origins or rushed processing at the extractor stage. By retaining both start-to-finish control and a robust record trail, Tannins May sidesteps this cycle and offers a reliable anchor for teams navigating procurement headaches. Some procurement specialists switch to us after weeks wasted chasing “spot deals” that end with product recalls or delayed shipments.

    Sustainability and Sourcing: Why Origin Matters

    Customers increasingly ask about sustainable sourcing and traceability, not just for regulatory compliance, but due to a real concern about environmental legacy and end-user confidence. Since we manage both forest plot selection and harvesting agreements, we guarantee all botanical material used for Tannins May comes from managed, regrown tree lots or controlled nut sources. Routine third-party audits and GPS-logged harvest batches help ensure this traceability.

    We restrict harvesting to approved windows, chosen to balance both botanical maturity and minimum impact on local ecosystems. Processing residues—pulp and bark—see reuse either as energy feed or for agricultural amendment, minimizing disposal burdens and shifting value back into our own production cycle. This closed-loop recycling approach grew out of years spent recalibrating our own waste handling after encountering mounting disposal costs and land-use concerns in the past.

    We view these sustainability measures not as marketing slogans but as part of daily factory life, supported by employee buy-in and long-term partnership with suppliers. Many end users in beverages, agriculture, or pharmaceutical markets now incorporate sustainability scores into their own purchasing and regulatory filings. As direct manufacturers, we remain accountable for every step along the line—real-world sustainability starts on our plant floor and follows every shipment out the door.

    Ongoing Learning and Customer Partnership

    Over decades, our greatest insights into Tannins May’s strength have come not from controlled tests alone, but from direct engagement with end-users tackling unexpected challenges. Co-formulators in the adhesives industry helped us refine grain size specs to limit agglomeration in high-speed blenders. Water purification partners highlighted subtle shifts in pH adjustment response linked to seasonal shifts in raw extract, prompting us to invest in better temperature logging and online conductivity sensors across our reactors.

    We highly value open lines of communication. Many of the features now considered “standard” for Tannins May—such as narrow mesh tolerance, high purity indices, or tight shelf-life guarantees—trace directly to field complaints brought back to the plant floor. Instead of sending generic troubleshooting tips, we pull samples, schedule collaborative troubleshooting runs, and follow through with after-action summaries that close the feedback loop.

    Product Safety, Compliance, and End-Use Confidence

    Safety regulations only grow stricter across food, pharma, and water sectors. Our long history ensures we stay compliant with every evolving guideline: maximum heavy metal levels, microbial load limits, and accurate, reproducible labeling. Compliance always means more than a stamp—our QA team retrains annually, tracks regulatory bulletins, and updates testing protocols to reflect new guidance. Each Tannins May shipment carries batch-specific documentation, attested by technicians who personally logged the extract’s path from harvesting through to dispatch.

    We operate with the same level of transparency for all customers, regardless of order size. Open access to analytical reports and historical data, not just “pass/fail” certificates, means user QA teams can conduct their own secondary checks or request retesting as needed.

    Continuous Improvement: From Customer Feedback to Process Innovation

    We have never seen Tannins May as a finished story. Every new end-use brings possibilities for adjustment or improvement, whether in granule size, moisture control, or packaging resilience. Teams have influenced adjustments to mesh profile, shifted powder water content down for improved storage in hot climates, and prompted us to experiment with alternative drying protocols aimed at boosting shelf stability.

    The learning runs in both directions. Customer insights on how Tannins May functions in real production—across food processing lines, in biological reactors, or in advanced coatings—feed into both our plant and our R&D team. Each new production issue or opportunity triggers pilot batches for side-by-side testing and laboratory comparison. We see this approach as central to our continued growth: not just sending product out, but closing the loop on quality, traceability, and performance.

    Conclusion: Reliable Partnerships Built on Direct Experience

    Throughout our years manufacturing tannin extract powders, we have watched trends come and go—generic “all-purpose” tannins, recycled extracts, even synthetic analogs. Still, hard-won experience shows that strong partnerships grow from attention to field performance, follow-through on problem-solving, and transparent, fact-based communication.

    Tannins May remains a direct result of this philosophy. Years of refining process controls, investing in measurable batch-to-batch reproducibility, and sustained investment in plant and people yielded both a dependable powder and a growing community of specialists across industries. With every shipment, we bring both practical know-how and records to back up our claims—an approach that sets genuine chemical producers apart from “just-in-time” traders and short-term resellers.

    For those seeking a tannin powder backed by factory experience, fully documented production, and continuous technical support, Tannins May stands ready for both today’s challenges and tomorrow’s opportunities.