Products

Firm Elastic System - BROTAN - WS White Tannin

    • Product Name: Firm Elastic System - BROTAN - WS White Tannin
    • Chemical Name (IUPAC): Gallic acid
    • CAS No.: 1243574-48-2
    • Chemical Formula: C14H12O8
    • Form/Physical State: Powder
    • Factroy Site: No. 1 Xuelin Street, Haining, Zhejiang, China
    • Price Inquiry: sales7@bouling-chem.com
    • Manufacturer: Jiangxi Brother Pharmaceutical Co., Ltd.
    • CONTACT NOW
    Specifications

    HS Code

    719363

    Product Name Firm Elastic System - BROTAN - WS White Tannin
    Type Tannin
    Appearance Light powder
    Color White
    Solubility Water soluble
    Origin Botanical
    Primary Use Wine and beverage clarification
    Ph Neutral
    Dosage Range 5-20 g/hL
    Application Stage Fermentation or aging
    Formulation Eco-friendly and allergen-free
    Function Protein stabilization
    Storage Conditions Cool, dry place
    Odor Neutral
    Packaging Plastic bags or drums

    As an accredited Firm Elastic System - BROTAN - WS White Tannin factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Firm Elastic System BROTAN WS White Tannin is packaged in a sturdy 25kg white plastic drum with a secure resealable lid.
    Container Loading (20′ FCL) Container Loading (20′ FCL): Ships BROTAN - WS White Tannin in bulk, maximizing capacity and ensuring secure, efficient transport for export.
    Shipping The shipping of Firm Elastic System - BROTAN - WS White Tannin is conducted in sealed, chemical-grade containers to ensure product stability and safety. Packaging complies with international transport regulations. Shipping options include ground and air freight, with tracking provided. Handle and store in cool, dry conditions, protected from heat and moisture.
    Storage **Storage instructions for Firm Elastic System - BROTAN - WS White Tannin:** Store in a cool, dry, and well-ventilated area, away from direct sunlight and sources of heat or ignition. Keep the container tightly closed to protect against moisture absorption and contamination. Ensure the chemical is kept away from oxidizing agents and strong acids. Follow all relevant safety and regulatory guidelines for chemical storage.
    Shelf Life Shelf life of Firm Elastic System - BROTAN - WS White Tannin is 24 months, stored in a cool, dry, and sealed container.
    Application of Firm Elastic System - BROTAN - WS White Tannin

    Applications of Firm Elastic System – BROTAN – WS White Tannin in Industrial Manufacturing

    As a specialized manufacturer of BROTAN – WS White Tannin, we support downstream partners with tailored solutions for industrial processes requiring precise performance in terms of firmness, elasticity, and binding. Our tannin-based material delivers reliable advantages within specific segment workflows, from formulation to end user product quality.

    1. Leather Retanning for Footwear Uppers

    Tannin-based systems play a vital role in the retanning phase for premium footwear leathers, especially when manufacturers specify a firm but elastic grain structure. Technical retanning employs precise dosing to improve tensile strength while preserving or enhancing flexibility, resisting cracking and wrinkling under dynamic wear. Browning avoidance is critical in white or light-shade articles; this system meets demanding chromatic requirements. Process engineers optimize the dosage to produce uniform penetration, reduce waste, and streamline post-treatment workflows such as fatliquoring and finishing.

    Industry compliance standards

    • ISO 11640: Leather — Physical and mechanical tests — Determination of color fastness to rubbing
    • REACH Regulation (EC) No 1907/2006 for tannin safety
    • EN 16422: Leather — Environmental footprint — Product category rules
    • ZDHC MRSL 3.0 compliance for restricted chemicals in leather processing

    Typical usage ratio

    • 3% – 8% based on shaved weight; adjusted for leather density, final firmness, and white color retention

    Downstream process integration

    • Added during drum retanning after neutralization but before fatliquoring

    Final product types

    • White, pastel, or pale-color upper leathers for luxury and mass-market shoes
    • Automotive white upholstery leathers

    2. Gelatin and Protein Clarification in Edible Collagen Casings

    Processors in the edible collagen casing industry utilize specialized white tannin to clarify and purify gelatin hydrolysates and protein slurries before extrusion. This process removes haze-forming proteins and residual colorants, delivering transparent, visually appealing final casing sheets. Operators benefit from rapid settling times and efficient filtration with this grade of tannin, reducing downstream membrane fouling and ensuring food safety. Systematic usage enables manufacturers to maintain product specifications required by sausage and deli producers.

    Industry compliance standards

    • 21 CFR 173.10 (US FDA) — Tannins for food processing
    • GB 31644-2021 — National Food Safety Standard for Food Additives
    • Regulation (EU) No 231/2012 — Food additive purity criteria
    • IFS Food v8/GFSI — Production site audits for food-contact materials

    Typical usage ratio

    • 0.05% – 0.2% calculated on protein or gelatin slurry dry weight, based on turbidity and protein content

    Downstream process integration

    • Injected into the protein dispersion after extraction, prior to filtration and extrusion to casing molds

    Final product types

    • Edible collagen sausage casings (transparent or white)
    • Processed meat film wraps

    3. Wine and Juice Fining

    Wine and juice producers apply white tannin during the fining stage to selectively bind polyphenols, reduce astringency, and enhance stability of color in delicate white and rosé products. The low-color characteristic of this system prevents undesirable darkening, especially in musts destined for premium segments. Enologists adjust concentration based on naturally occurring pectin and turbidity. The material ensures rapid settling, simplifies subsequent filtration, and supports sensory quality expected in high-grade end products.

    Industry compliance standards

    • OIV International Code of Oenological Practices (OIV-OENO-TECHNO)
    • EC Regulation No 606/2009 — Oenological practices
    • US TTB — Approved chemicals for wine production
    • China GB 2760 — Food Additive Use Standard

    Typical usage ratio

    • 5 – 40 g/hL depending on grape varietal and desired clarification performance; fine-tuned according to pre-bottling tests

    Downstream process integration

    • Added directly to musts or young wines before clarification, cold stabilization, and filtration stages

    Final product types

    • Premium white and rosé wines
    • Clear fruit juices and concentrates

    4. Adhesive and Binder Formulation for Industrial Wood Composites

    White tannin serves a technical binding function in the production of wood- and fiber-based boards such as MDF, HDF, and specialty furniture panels where VOC emissions and color purity are tightly regulated. The tannin's superior “white” profile allows manufacturers to produce light-colored composites without yellowing, ideal for decorative laminates and painted surfaces. Application design teams benefit from customizable viscosity and crosslinking with other ingredients, while factory floor personnel achieve predictable curing under standard press cycles.

    Industry compliance standards

    • EN 13986 — Wood-based panels for use in construction
    • CARB ATCM Phase 2 for formaldehyde emissions (California Air Resources Board)
    • EN 16516 — Construction products: Assessment of release of dangerous substances
    • JIS A 5905:2017 — Fibreboard

    Typical usage ratio

    • 3% – 7% (dry tannin on dry wood/fiber) in combination with other crosslinkers; adjusted for press time and panel grade

    Downstream process integration

    • Dispersed into aqueous resin blends prior to spray application or direct blending with wood fibers before hot pressing

    Final product types

    • Low-emission fiberboard and particleboard for furniture and interiors
    • Light-hued decorative surface panels

    5. Pharmaceutical Tablet Disintegrant and Binder

    In solid oral dosage manufacturing, white tannin offers a dual role as both tablet binder and controlled disintegrant, supporting drug makers in achieving fast but uniform dissolution profiles. The high-purity extraction meets pharmacopeial requirements for excipient safety and color neutrality, which is critical for uncoated or white-coated tablets intended for human use. Granulation specialists add the tannin during wet or dry binding phases, where it imparts the necessary firmness and elasticity for high-speed compression equipment.

    Industry compliance standards

    • USP/NF (United States Pharmacopeia/National Formulary)
    • EP (European Pharmacopoeia)
    • ICH Q7: Good Manufacturing Practice Guide for Active Pharmaceutical Ingredients
    • China Pharmacopoeia (ChP) excipient standards

    Typical usage ratio

    • 0.5% – 3% (w/w) relative to total tablet mass; adjusted per active ingredient and desired disintegration time

    Downstream process integration

    • Integrated into excipient blend before granulation or direct compression, or added as a pre-made solution for wet granulation

    Final product types

    • Immediate- and controlled-release uncoated or coated pharmaceutical tablets
    • Nutritional supplement tablets with high clarity and stability requirements

    Free Quote

    Competitive Firm Elastic System - BROTAN - WS White Tannin prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please contact us at +8615371019725 or mail to sales7@bouling-chem.com.

    We will respond to you as soon as possible.

    Tel: +8615371019725

    Email: sales7@bouling-chem.com

    Get Free Quote of Jiangxi Brother Pharmaceutical Co., Ltd.

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    Certification & Compliance
    More Introduction

    Firm Elastic System - BROTAN - WS White Tannin: A Direct Manufacturer's Perspective

    The Heart of Our BROTAN - WS White Tannin: A Manufacturer’s Take

    As the team responsible for bringing the Firm Elastic System’s BROTAN - WS White Tannin to the market, we know every raw material batch, every tweak in the extraction process, and the practical difference each step makes down the line. We wake up thinking about how each lot will perform in real-world applications and hit the factory floor with a focus on reliability and transparency.

    WS White Tannin isn’t a lab curiosity or a formulation afterthought. This product comes straight from oak woods chosen for maximum purity and extractable content. In our facility, the raw wood undergoes aqueous extraction under controlled conditions, never exposed to harsh solvents. Our method aims for optimal yield of condensed and hydrolysable tannins without bringing along bitter wood notes or unwanted coloration.

    The backbone of BROTAN - WS White Tannin is a blend tailored for industries where color must stay crisp and bright. Winemakers, brewers, and distillers approach us with concerns about flavor improvement, oxidative stability, and clarity—but they all want to avoid introducing brown hues or harsh woodiness. We designed WS White specifically for these requirements.

    What Sets BROTAN - WS White Apart in the Real World

    Let’s get direct. Not all tannin products work the same and nobody knows this better than the folks actually producing them. Our job is to guarantee that every shipment performs the way it should—batch after batch. Tannin extracts vary widely: some lean heavily on color, others deliver astringency before anything else. BROTAN - WS White Tannin approaches the challenge differently.

    Our extract focuses on clean, light-colored phenolic composition. We see every day how this tangibly supports winemakers looking to lift mouthfeel and structure without making a Sauvignon taste like an over-steeped tea. The model behind this product doesn’t chase the broadest effect; it hones in on elasticity and integration into the beverage body, without veering the taste or appearance too far off original intent.

    Working directly in the factory, we can control particle size and solubility to a much finer degree than a distributor blending third-party mixes. By optimizing for fast integration into cold and warm liquids, customers working on bottling and bulk processes don’t have to fight dusting or clumping. We chose this approach from repeated feedback on downtime and filtration issues.

    Every lot passes through our own QC and application testing. We run lab trials in both demineralized water and real application matrices—white base wines, cask spirits, even soft drinks and clear beers. What we see is a classic, understated stabilizing effect, no muddy aftertaste, and no haze-forming complexes with metals. These aren’t just claims; our technical staff pull plates, bench-test clarities, and follow up to see how it works post-filtration and after exposure to light.

    BROTAN - WS White Tannin at the Core of Modern Beverage Production

    Decades of making tannin extracts have taught us the depth of challenge faced by beverage producers. Stability is paramount; so is flavor longevity and visual appeal. Markets demand fresh, fruit-forward wines and crisp beers with shelf lives measured in years. Phenolic management sits at the crossroads of all these concerns.

    Not all white tannins can be counted on for neutrality and clarity. Some imported types come with color burdens or wild swings in bitterness. We learned early that the market never waits for a supply chain problem to settle. Vertical integration, where the wood selection, extraction, drying, and packaging are all under our control, means that every box of BROTAN - WS White delivers a predictable profile.

    During bottling season, producers routinely ask about differences between WS White and competing products. There is the classic oak chip extract with slightly more vanilla aromatics, and then there are tannin blends that favor density but overwhelm the varietal notes. Our plant’s protocol strips out volatile components that introduce off-aromas, so even high-dose trials avoid masking the product’s base characteristics.

    Seasoned winemakers have reported that dosing with WS White in must and after fermentation reduces protein haze and helps with color stabilization later, especially in rosé or light grape varieties. The low astringency plays out as more suppleness on the palate, not dryness or bitterness, and filtration proceeds without the slowdowns associated with coarser extracts. Distillers watching for fusel and phenol interactions say the product fits well into their chill filtration steps, protecting delicate flavors without pulling down mouthfeel.

    Specification from Experience

    We operate at scale. That means every specification on BROTAN - WS White isn’t just a printout or lab promise—our team stands by the numbers. Moisture content stays below five percent, keeping microbial stability in check. Particle sizing, consistently below 100 microns, avoids dust and ensures rapid hydration. The pH in solution lines up with the low side of the beverage spectrum, avoiding problems with acid shock or precipitation when adding to low-pH wines or spirits.

    One of the questions we get from production managers covers compatibility. Nobody wants to stock five tannin grades for one line. BROTAN - WS White comes with strong solubility across the board: in cold stabilization, fining, secondary fermentation, and even in final pre-filtering adjustments. We test against typical fermentation agents, clarifiers, bentonites, and fining compounds used in the beverage sector. Lab and pilot-scale work confirm that it won’t drop out as sediment or block equipment.

    Real-World Usage—Factory Know-How in Application

    We stay in touch with end users and labs using BROTAN - WS White every harvest and every cask rotation. Our team gets called out yearly to troubleshoot dosing, sediment, or taste drift in a hot bottling line or during beer clarification. Most workshops run into recurring issues—either tannin additions dull visual clarity or they bring unwanted flavors.

    Our own R&D has shown again and again that correct dosing is not one-size-fits-all. For must and base wine correction, lower dosing rates do the job, balancing protein breakdown and oxidative stability. In barrel aging or spirits finishing, higher doses can shore up long-term shelf life without flattening aromatic profiles. The product adapts to these shifts because the chemical fingerprint doesn’t sway batch to batch. From cider to saké to white rum, we’ve seen how the predictable outcome makes distribution, QC, and flavor panel reviews tighter and more efficient.

    We don’t rely on customer feedback alone—we run side-by-side trials, page through sensory tests, and document shelf stability over months. This approach gives us concrete improvement data: fewer haze complaints, longer retention of fruit aromas, and positive filtration train speeds. Our technical managers regularly go on site to demonstrate hydration technique or dosing protocols with operators on real working lines.

    Each year, more beverage startups and mid-size facilities reach out looking for the lowest-intervention stabilizers. We show them side-by-side glasses and bottles—one dosed with a standard brown tannin, another with WS White. The difference visually is immediate, and over time, oxidative effects are delayed without off-flavors or unwanted breakdown products. We incorporate their case studies into future production choices, so the feedback loop stays current.

    How BROTAN - WS White Tannin Cares About Clean Production

    Running a chemical manufacturing site in a regulatory-heavy world means transparency at every level. Our extraction footprint is kept as lean as technology allows. Water goes into closed systems and we capture and treat spent extracts for agricultural upcycling rather than dumping residues. White tannin by its nature produces less organic waste and no heavy color runoff.

    Certifications matter. We back up our production with independent third-party verification for absence of heavy metals, pesticide residues, and volatile contaminants. That isn’t just procedural. Beverage companies working with us are audited by their own markets—traceability runs all the way back to the forest plot and batch record. The cleaner the extract, the fewer the downstream headaches at the customer’s compliance checkpoints.

    Another benefit lies in batch-to-batch reliability, especially relevant in international trade where regional rules change overnight. We field queries constantly about resin carryover, allergenic potential, or synthetic contaminants. Our own factory controls every process step, so each batch of BROTAN - WS White mirrors the last—even at full container scale.

    Market Challenges and Our Real-World Response

    Trends come and go, but the demand for stability without over-processing wines, spirits, and beers only grows. The cost of recalls, customer complaint management, and wasted production runs has real bottom-line impact. We talk to clients who have battled inconsistent tannin batches, resulting in lost product or forced reprocessing.

    Years of troubleshooting filter clogging and stability failures with other tannin products have shaped how we approach manufacturing. By refining extraction and staying hands-on with drying and particle control, we meet the specific hurdles faced by producers scaling up their lines or shifting formulations between vintages.

    Another market truth: manufacturers want to streamline raw material SKUs. BROTAN - WS White cuts down on the need to stockpile four or five different stabilizers. The predictability of the extract helps reduce test runs, frees up lab staff for higher-priority QC, and saves on misdosed batches that eat into profit.

    Direct Engagement and Collaborative Solutions

    We don’t hide manufacturing behind distributor layers. Our staff take calls directly from production managers and lab heads, which keeps feedback honest and current. The best innovation doesn’t come from lab reports alone. It’s the tough production runs, the off-hour troubleshooting sessions, and the honest talk at industry panels that push us to refine BROTAN - WS White even further.

    Our team sits down regularly with R&D teams experimenting with low-sulfur wines, freezer-stable cocktails, or organic ciders—products that challenge the limits of shelf stability and flavor preservation. In these talks, small details matter. We provide micro-lot samples on demand for pilot testing, run density and hydration checks in their matrices, and even adjust grind size for specialty applications. If a region restricts certain carriers or additives, we work with the compliance teams to ensure every specification line is satisfied.

    By keeping production direct and transparent, we make traceability and technical support part of the package, not an afterthought. Real partnership means solving unexpected problems—seasonal shifts in grape composition, yeast stress outliers, accidental over-dosing, or last-minute clarity testing right before shipment. Our lab doesn't shut its doors once an order leaves; we open them wider.

    BROTAN - WS White Tannin and the Broader Industry

    White tannin production connects us to global issues—sustainable forestry, carbon impact, and food-grade safety compliance. Sourcing matters as much as processing. Our team vets oak sources for responsible forestry, so each supply cycle builds toward environmental commitments as well as business reliability.

    Increasing traceability requirements push every manufacturer to up their game. We embrace annual audits and open facility walkthroughs for partners, ensuring BROTAN - WS White aligns with E-E-A-T expectations and remains trusted by public and private oversight bodies worldwide. Reliable supply chains and technical transparency support our customers in gaining export approvals, listing products globally, and responding to regulatory changes without scrambling.

    People often underestimate how real-world production informs product evolution. We don’t just watch the markets; we participate in shaping them, acting on feedback from sensory panels, line supervisors, and QC staff across four continents. This ongoing collaboration steers us away from fleeting trends and towards building truly dependable solutions.

    Direct Value Delivered—From Manufacturing Floor to Finished Bottle

    Confidence drives production. Operators, cellar managers, and head distillers only stick to a product if it proves its worth in every batch. WS White Tannin’s direct impact shows in lower haze incidents, more controlled color, improved shelf life, and palates that remain true from bottling to glass. This isn’t just talk—the change is measured in smoother operations and more consistent finished product, bottle to bottle.

    Manufacturing expertise cuts through technical noise and marketing promise. Our product’s identity comes from the floor where it’s made, the staff who handle each process, and the long arc of feedback that starts in our batch logs and ends in your next vintage or run. By staying close to the material, always listening to what end users tell us, and focusing on genuine improvements, we help our customers create beverages that stand up on any shelf and in any market.