Anhui Liwei Chemical Co., Limited
Products

Phenol, Polymer With Formaldehyde


    • Product Name Phenol, Polymer With Formaldehyde
    • Alias Phenol Formaldehyde Resin
    • Einecs 500-007-7
    • Mininmum Order 1 g
    • Factory Site Lingwu, Yinchuan, Ningxia, China
    • Price Inquiry sales2@liwei-chem.com
    • Manufacturer Anhui Liwei Chemical Co., Limited
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    723109

    Cas Number 9003-35-4
    Molecular Formula (C8H6O2)n
    Appearance Brown to dark red solid
    Odor Slight phenolic odor
    Solubility In Water Insoluble
    Density 1.2-1.3 g/cm3
    Flash Point >150°C
    Uses Adhesives, molding compounds, coatings, laminates
    Thermal Stability Up to 300°C
    Structural Type Thermoset resin
    Common Name Phenolic resin
    Color Brown
    Trade Names Bakelite, Novolac, Resole

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

    Packing & Storage
    Packing A 25 kg high-density polyethylene drum with a secure lid, labeled “Phenol, Polymer With Formaldehyde,” and hazard warnings.
    Shipping Phenol, Polymer With Formaldehyde is typically shipped in sealed drums or containers, protected from moisture and ignition sources. It requires labeling as per hazardous material regulations, stored in a cool, well-ventilated area, and handled with appropriate personal protective equipment. Ensure compliance with local, national, and international shipping regulations during transit.
    Storage Phenol, Polymer With Formaldehyde should be stored in a cool, dry, well-ventilated area, away from incompatible substances such as strong acids, oxidizers, and bases. Keep the container tightly closed and protected from physical damage, moisture, and direct sunlight. Store in clearly labeled, corrosion-resistant containers, following all local regulations and safety guidelines to prevent environmental release and health hazards.
    Free Quote

    Competitive Phenol, Polymer With Formaldehyde prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615380400285 or mail to sales2@liwei-chem.com.

    We will respond to you as soon as possible.

    Tel: +8615380400285

    Email: sales2@liwei-chem.com

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    Certification & Compliance
    More Introduction

    Phenol, Polymer With Formaldehyde: Precision Chemistry From the Source

    A Manufacturer’s Perspective on Phenol-Formaldehyde Resins

    Working in chemical synthesis day in and day out, you start to understand what customers in resin-dependent sectors truly face. Phenol, polymer with formaldehyde, forms the core of phenolic resins—a legacy material developed before most readers could name half the plastics in their kitchen. This resin is forged through a controlled reaction of phenol with formaldehyde under specific pH and temperature conditions. We keep a sharp focus on the reaction kinetics, branching ratios, and end-point analytics since these variables decide everything from cure rate to molecular weight. To us, every batch is a statement about reliability, not just a raw material shipped in a drum.

    Model, Grade, and What Sets Ours Apart

    Over the years, we refined the process to produce both novolac and resol grades, which differ in phenol-to-formaldehyde ratio, catalyst type, and downstream uses. Our plant lines run specialized reactors designed for close heat control and mix-rate adjustment. A typical novolac resin, with a phenol-to-formaldehyde ratio below one, won’t cure without a hardener; we keep these grades tightly within a molecular weight window, aiming for predictable melt flow. For resol resins, higher formaldehyde ratios and alkaline catalysis yield a resin that cures thermoset with only the addition of heat. Our tech teams track hydroxymethyl content and free formaldehyde levels right through to packaging, aiming every batch at downstream curing consistency and emissions safety.

    Other resin suppliers sometimes chase volume at the expense of precision. Our experience says that shortcutting washing cycles or relaxing temperature gradients saves little but costs plenty in application failures and reprocess claims. We back up ‘spec’ talk by showing our own real-time analytics—from viscosity trace logs to residual monomer lists. If a customer wants a resin for custom-molding or as an adhesive matrix in high-reliability wood panels, we use that end-use feedback to guide our upstream choices long before they see a final bag or drum. That’s the advantage of making chemistry our own way, in our own facility.

    Understanding the Chemistry—From Monomer to Crosslinked Asset

    The story always starts at the core: the electrophilic addition reaction of phenol and formaldehyde. This simple description misses the subtlety that comes with years of batches handled at scale. Tight pH control and careful metering of feedstock keep the resin within its operational window. We find customers who tried lesser resin often face bridging, incomplete cure, and variable bonding under pressure. By owning the reaction parameters, not just outsourcing to tollers, we can tighten the molecular weight distribution right where application engineers need it—whether in free-flowing powder novolacs meant for friction materials or syrupy resols bound for foundry binders.

    Unlike some mass-market equivalents, we invest in double dehydration and volatile removal to drop residual formaldehyde below typical standards. If your operation struggles with odor control or workplace exposure, the difference in fugitive emissions from our resins shows up fast. And if you’re blending with filler or fiber, particle size distribution and compatibility become real metrics, not just promises in a brochure. Our technical liaisons have stood on customer floors, diagnosing flow and temperature issues side by side with plant engineers. This hands-on feedback loop pushes us to improve the way we package, test, and certify each lot.

    Application Diversity Driven by Real-World Experience

    Most people hear phenol-formaldehyde resin and think plywood glue, but the reach spreads further. Our batches find their way into thermal insulation foams, molded brake pads, abrasive wheels, and specialty laminates. Each of these industries cares about different resin parameters—some want rigidity and flame resistance; others look for machinability or surface gloss. For insulation foam, our focus locks on low free monomer and stable viscosity, avoiding off-gassing during foam particle expansion. Foundry clients want a resin that opens up under high temperatures but doesn’t foul molds or release excessive VOCs. We adjust phenol substitution and methylol group distribution to match everything from wet lay-up times to press-cycle durations.

    There are no easy defaults here. An automotive client may tune for thermal stability and friction consistency in brake linings, which means a formula with controlled crosslink density and a sharp glass transition temperature. In circuit board backing, smooth cure and strong dielectric properties dominate the target list. Our technical reports, covering gel time, flow behavior, and mechanical analysis, are built not for generic claims but for troubleshooting in your real process, whether you’re pressing boards, extruding sheets, or hot-curing in molds. No two plants run identical process temperatures or filler mixes, so we keep a steady line open for custom blends.

    Building Products with Longevity in Mind

    Our commitment to product stability goes beyond quality control checklists. Aging studies, repeated at real heat and humidity cycles, confirm bond retention and morphology over years—something substitute resins can’t always match. High-cure-thermoset phenol-formaldehyde resins made here show better dimension retention and fatigue resistance, tested in loads that exceed site conditions by 20% or more. This matters whether your engineers are producing outdoor structural pieces or components exposed to repetitive stress.

    We track complaints about slow cure, poor bond, or excessive charring back to their roots in molecular architecture. By pushing for high-purity feedstock and careful catalyst selection, we manage the fine balance between aggressive cure (for line speed) and shelf stability (so resin doesn’t gel before it’s applied). Rather than hiding behind broad claims of “compatibility,” we produce controlled pilot batches, test in customer-provided formulations, and tweak synthesis parameters until results outperform off-the-shelf alternatives. Keeping customer lines moving at speed, under spec, is a standard we treat seriously.

    Staying Ahead on Safety and Environmental Expectations

    Sourcing and using resin with lower residual monomers reduces operator exposure and tightens workplace controls. Our regulatory group audits every new synthesis route for implications under contemporary global directives, including Europe’s REACH standards and OSHA’s exposure limits. By tracking emissions profiles during both manufacturing and application, we help customers clear regulatory hurdles cleanly. Phenolic resins are not new chemistry, but environmental expectations change frequently; we committed early to developing eco-compatible grades with reduced phenol and formaldehyde emissions from both manufacture and end-use.

    In plant practice, this looks like real upgrades in scrubber units, multi-stage washers, and closed-loop recovery of volatiles. If you’re looking for evidence, take a look at our environmental analytics and third-party reports, which detail the cut in airborne formaldehyde by up to 60% compared to legacy grades. Lower emissions benefit everyone in the process chain, from production to end-user environments. Our approach is rooted in practical chemistry—improving material performance while reducing the total environmental impact. If clients request even further reductions or custom labeling by regulatory region, we stand ready to tailor runs and share process data before any purchase commitment.

    Performance Testing and Real-World Trials

    It’s one thing to cite mechanical data in lab conditions, quite another to see it through industrial trials. Over dozens of joint development projects, we have worked next to application engineers measuring resin wetting, substrate penetration, and cure development. We simulate their process conditions on-site in our pilot units—matching mold pressures, humidity, and filler mixes. If a formulation drags in viscosity or introduces voids, we catch it before it lands in full-scale production. Our QA cycles include both classic titration and FTIR confirmation of hydroxymethyl conversion, and we catalog every anomaly for fast retrace if any lot underperforms.

    Through this vigilant approach, failure rates in panel delamination, mechanical fastener pull-out, or thermal sag have fallen in our customer base. We have developed resin blends for specialty markets—friction composites, coated abrasives, engineered woods—applying feedback from each launch to tweak subsequent production runs. As the actual manufacturer, our teams move fast on feedback, reformulating within days if needed, supported by in-house analytical chemistry labs. Test results, formula tweaks, and application guides are available to all our direct customers because nothing builds trust like solving a real process problem together.

    Learning By Doing—Why Tight Manufacturing Control Matters

    Decades of direct experience show the perils of outsourcing or relying on trader intermediaries. Resin chemistries can drift batch-to-batch, especially if the manufacturer courts lowest supplier pricing. We audit and source phenol and formaldehyde ourselves, run the reactions in our own reactors, and verify every critical parameter in our on-site lab. If a batch trends out of tolerance for free phenol or methylol, it doesn’t leave the plant—not until it qualifies against full analytic specs. Customers who migrated from traders or bulk resellers often report inconsistent melt behaviors, uncontrolled browning during cure, or environmental off-gassing, along with missing origin traceability.

    Nobody who makes things for critical infrastructure—be it wood beams, railroad ties, or friction pads—can afford resin that wavers in properties run-to-run. Our site controls—temperature gradients, batch traceability, and trigger-point analytics—exist for a reason: to uphold reputation and ensure application success. Being embedded in the material transformation (from phenol and formaldehyde to finished, usable prepolymer resin) gives us the power to adjust, improve, and innovate on timelines traders and re-baggers can’t match.

    Product Differences: Going Beyond Generic Phenolic Resin

    Our phenol-formaldehyde polymer takes shape through a process that puts careful control ahead of bulk output. Compared to generic resins or distributor-sourced options, what we send to our customers reflects more than compliance. We regularly produce specialty grades, which may target high glass transition temperatures for heat-resistant applications, or reduced flow for thick layer bonding. Where some resins trade off strength for easier application, our grades come tested for crack resistance and post-cure toughness.

    Meticulous dehydration, reduced salts from neutralization, and double filtration cut out contaminants that can compromise surface quality or interfere with downstream reactions. Novolac and resol grades follow different cure chemistries, and we routinely guide customers on the best fit for their line—based on their actual needs, not just catalog entries. Every run tells us more: about how powder size affects friction material compaction, or how liquid resin shelf life can impact inventory cycles. This cumulative learning shapes our formulas and builds competitive edge for our partners.

    Supporting Customers Across the Full Production Journey

    Supplying phenol-formaldehyde resins goes beyond shipping material. Customers want guidance on storage, pre-heating, dosing, and blending—informed not by theory but by the real quirks of factory environments. Our service team delivers field support, training sessions, and troubleshooting guides specifically tailored to the technical teams using our materials. It’s common for us to walk the plant during commissioning, helping dial in the resin feed for a new production run, or suggesting ways to optimize mixing for better dispersion.

    Once you’ve stood in front of a 200°C press or stayed late optimizing a batch on the wood panel line, you recognize the value of resin that performs as promised. We believe real support starts with sharing application know-how, not shifting responsibility if issues arise. Our deep roots in the manufacturer’s side of the chemical industry let us offer authentic perspective and rapid improvement. We grow not by chasing catalog sales, but through long-term partnerships built on shared process wins and steady performance.

    Continuous Improvement and Future Outlook

    We keep our ear close to customer needs and emerging regulatory demands. Newer generations of phenol-formaldehyde resins from our lab offer reduced emissions, broader safe-processing windows, and improved mechanical resilience without sacrificing cost efficiency. Our R&D chemists study reactivity profiles, substitution patterns, and emerging crosslinking additives that could further tailor cure times and temperature stability. We see the coming years as a chance to balance strong performance against tightening global standards, guaranteeing safety, environmental compatibility, and end-of-life recyclability.

    Customers ask about the differences between our product and lower-priced alternatives. The answer is never just one variable—cost, cure speed, shelf life, molecular precision, and system compatibility all interact. Our difference comes from a refusal to cut corners, a real investment in technology, and a hands-on commitment to solving the problems that matter on your plant floor. Every resin batch carries a history of attention to chemistry, quality, and customer result—qualities that don’t simply emerge from reselling someone else’s product.

    Choosing A Manufacturer Backed By Experience

    Selecting phenol, polymer with formaldehyde sourced directly from those who make it means gaining a partner in innovation. Our goal is not just to provide resin, but to improve the operations, safety, and lasting value of every end-product it supports. The difference reveals itself in fewer production stoppages, cleaner working environments, and products that stand up to challenging real-world conditions without early failure. Years of steady production, transparent technical dialogue, and response to customer challenges have built mutual trust. As we move forward, we retain a simple commitment: to make resin for responsible, high-value manufacturing, and to sharpen our edge with every drum shipped and every process challenge faced together.