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

    • Product Name Lead Hydroxide
    • Alias Plumbous hydroxide
    • Einecs 215-173-4
    • 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
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    Specifications

    HS Code

    565399

    chemical_name Lead Hydroxide
    chemical_formula Pb(OH)2
    molar_mass 241.21 g/mol
    appearance White powder
    density 7.41 g/cm3
    melting_point Decomposes before melting
    solubility_in_water Insoluble
    CAS_number 1309-60-0
    pH Alkaline
    main_hazards Toxic if ingested or inhaled
    stability Stable under normal conditions
    synonyms Plumbous hydroxide
    uses Precursor to other lead compounds
    color White

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

    Packing & Storage
    Packing Lead Hydroxide, 500g: White HDPE bottle with secure screw cap, labeled with hazard symbols, product name, batch number, and safety information.
    Shipping Lead Hydroxide should be shipped in tightly sealed containers, clearly labeled, and stored in a cool, dry, and well-ventilated area. It must be protected from moisture and incompatible substances. Handle with care, using appropriate personal protective equipment, and comply with all local, national, and international regulations for hazardous materials.
    Storage Lead hydroxide should be stored in tightly sealed containers made of compatible materials, such as polyethylene or glass, to prevent contamination and moisture absorption. Store in a cool, dry, well-ventilated area away from acids, oxidizing agents, and sources of heat or ignition. Clearly label the container and restrict access to trained personnel. Avoid contact with food and drinking water supplies.
    Application of Lead Hydroxide

    Applications of Lead Hydroxide in Industrial Manufacturing

    As a manufacturer of high-purity lead hydroxide, we collaborate closely with downstream processors in key industrial sectors. Our expertise ensures that formulation consistency, process compatibility, and industry compliance are integrated at every stage from raw material supply to final product delivery. Below, we outline core application scenarios where this specialty chemical plays a critical role in formulation and production.

    1. Stabilizer for Heat-Resistant PVC Compounds

    Producers of heat- and light-resistant rigid PVC often select lead hydroxide as an ingredient in multi-component stabilizer systems. Its function centers on neutralizing hydrochloric acid and minimizing polymer degradation during high-temperature extrusion and molding operations, where yellowing and brittleness are primary risks. Manufacturers calibrate the composition precisely to meet the demands of products such as high-voltage cable insulation, drainage pipes, and industrial sheathing, strictly adhering to market safety and durability benchmarks.

    Industry compliance standards

    • EN 50267 for halogen-free cable compounds
    • ISO 4422 (Plastics piping systems for water supply)
    • ANSI/UL 1581 (Wire & Cable Flame Test)
    • RoHS Directive—usage subject to exemptions for certain critical infrastructure applications

    Typical usage ratio

    • 1.0–3.5 wt% of total PVC formulation, adjusted based on product wall thickness and operational heat loads

    Downstream process integration

    • Incorporation in dry blending phase prior to compounding with plasticizers, lubricants, and fillers
    • Melt-processing through twin-screw extruders for subsequent pelletizing

    Final product types

    • Rigid PVC conduit and trunking
    • Cable sheathing for electrical and communication lines
    • Pipe fittings and irrigation tubing
    • Industrial wall and flooring panels

    2. Intermediate for Lead-Based Pigment Manufacture

    Lead hydroxide remains an essential feedstock for the wet-chemical synthesis of certain lead-based pigments valued for opacity and outdoor stability. Formulators rely on its reactivity to produce basic lead carbonate, a pigmenting component for anti-corrosive paints and specialty coatings used in environments where extended lifespan is critical, such as steel marine structures and heavy machinery. The conversion process is designed to deliver uniform crystal morphology and controlled particle size, which directly affect dispersion and film-forming properties.

    Industry compliance standards

    • ASTM D476 (Standard Classification for Dry Pigmentary Titanium Dioxide Products—reference for pigment testing methods)
    • ISO 591 (Pigments – Titanium dioxide ISO methods as general guides for pigment quality)
    • EU REACH—strictly controlled uses; permitted under specific industrial settings with risk management

    Typical usage ratio

    • Used in stoichiometric quantities to yield basic lead carbonate; typical mass ratios of 1.1:1 (lead hydroxide to lead carbonate precursor)

    Downstream process integration

    • Dissolution and precipitation reaction in aqueous reactors; further filtered and calcined to refine pigment purity

    Final product types

    • Industrial anticorrosive paints
    • Protective coatings for bridges and oil rigs
    • Specialty marking inks for fabrication plants

    3. Component in Lead-Acid Battery Plate Manufacturing

    Lead hydroxide serves as a precursor in the paste used to coat grids during lead-acid battery plate assembly. The material’s controlled hydration and fine particle nature enable homogeneous mixing with lead oxide and sulfuric acid, optimizing the electrochemical interface and charge retention in heavy-duty energy storage devices. Plate production lines integrate this additive to adjust paste rheology and facilitate consistent curing and drying phases, with downstream manufacturers setting compositions to align with cycle-life and capacity requirements.

    Industry compliance standards

    • IEC 60896 (Stationary Lead-Acid Batteries)
    • JIS C8702 (Japanese Industrial Standard for VRLA Batteries)
    • SAE J537 (Automotive Storage Battery Specification)

    Typical usage ratio

    • 0.2–1.5 wt% in the active plate mix, adjusted per charge acceptance and durability targets

    Downstream process integration

    • Mixing with lead oxide powder before paste application onto grid substrates
    • Thermal curing and humidity control to set active material structure

    Final product types

    • Stationary grid energy storage units
    • Automotive starting, lighting, ignition (SLI) batteries
    • Forklift and motive power cells

    4. Raw Material for Borate- and Silicate-Modified Glass Manufacture

    Glass manufacturers utilize lead hydroxide as a fluxing and modifying agent in high-lead content optical and specialty glass compositions. Addition at the batch stage achieves low melting points and improved index of refraction, essential in radiation-shielding panels and certain precision optical devices. The compound’s specific form influences melt homogeneity and final glass clarity, with input levels tailored to the glass type being produced.

    Industry compliance standards

    • DIN EN 373 (Radiation protection glass—rules for lead glass)
    • ISO 14021 (Environmental labels for glass—applicable for lead content declaration)
    • ANSI Z97.1 (Safety Glazing Materials for Building and Architectural Use, with exemptions for specialty leaded glass)

    Typical usage ratio

    • Up to 35 wt% in batch mixtures for heavy lead glass; typically 10–25 wt% for high-index optical glasses, based on design specifications

    Downstream process integration

    • Grinding and pre-blending with silica, borates, and alkali oxides prior to furnace charging
    • Batch melting and refining under controlled temperature profiles to achieve target viscosities

    Final product types

    • Radiation shielding windows
    • Optical lenses and prisms for scientific instruments
    • Decorative lead crystal glassware

    5. Precursor for Specialty Ceramics Manufacturing

    Ceramics processors seeking dense, high-dielectric constant materials for electronic components use lead hydroxide in the initial formulation stages of titanate and zirconate ceramics. The compound provides a reactive lead source that ensures uniformity in the solid-state reaction process and supports precise phase formation. Temperature and mixing controls across calcination and milling stages are critical in leveraging the compound’s suitability for multilayer capacitors and piezoelectric element production.

    Industry compliance standards

    • IEC 60384-1 (Fixed Capacitors for Use in Electronic Equipment)
    • RoHS Directive—application-specific exemptions for electronic ceramics
    • ASTM C1606 (Standard Test Method for Sample Preparation of Lead Zirconate Titanate Ceramics)

    Typical usage ratio

    • Stoichiometric to the target phase; generally 20–40 wt% for PZT (lead zirconate titanate) ceramics, based on batch design

    Downstream process integration

    • Ball milling with titanium and zirconium oxides prior to calcination and sintering
    • Blend added during slurry formulation for tape casting or pressing

    Final product types

    • Multilayer ceramic capacitors (MLCCs)
    • Piezoelectric actuators
    • Ultrasonic transducers
    • Electronic filters and resonators
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    Certification & Compliance
    More Introduction

    Lead Hydroxide: Building Reliable Results through Chemical Precision

    Understanding Our Product

    Working in chemical manufacturing introduces a unique relationship with every substance we make. Lead Hydroxide, carrying the formula Pb(OH)2, comes up in conversation when people need control, predictability, and a clear answer to heavy-duty demands. Our team has handled this material daily for years. Its off-white, finely powdered form never strays from expectations, and that matters more than specs on paper.

    Inside the plant, each step of synthesis and drying stays tightly supervised. We check for soluble lead and keep particle size consistent, not simply for a data sheet, but so downstream batches in customer factories work as planned. Over time, we learned the minor details—hydration state, filtration method, and wash water quality—can all swing a batch’s performance. Some customers run batch reactors for stabilizer production. Some refine pigments for glasswork. Every variable shifts how Lead Hydroxide fits.

    How Our Model Stands Apart

    Every manufacturer has their quirks, but Lead Hydroxide in our hands reaches a high level of purity. Hydroxide content stays in a tight band; most of our batches test above 98% pure by mass. Trace impurities like bismuth or tin appear far below regulatory limits, because we source from controlled mining operations and carry out full purification. The powder flows easily because we avoid overheating during precipitation and drying. Customers mention smooth dispersion in liquid media—no clumps, no sticky residue. That's not something you find with low-grade varieties.

    What we produce finds its biggest purpose in the battery sector. Lead-acid battery factories—domestic and global—prefer predictable reaction curves during paste production. They watch for rapid, uniform conversion in their mixer tanks. Our hydroxide never introduces uncertainty; long-term buyers say final paste densities land near target every time. In recent years, pigment producers for glass and ceramics reached out for high-dispersion grades. We fine-tuned filtration cycles, adjusted spin rates, and delivered cleaner, dustier powders. These tweaks make real differences.

    Why Purity Matters

    Purity ends up being more than a number. Working closely with battery manufacturers, we discovered even slight contamination—sulfates, chlorides, or trace metals—wrecks uniformity in battery plate fabrication. Those spots often trigger early corrosion or failure. Many reclaimed or industrial-grade Lead Hydroxide batches float contaminants into the process. We’ve seen factories lose hundreds of hours sorting out the mess. In contrast, lab tests on our powder repeatedly document less than 0.01% foreign cations. That translates straight into material reliability for anyone using the hydroxide as a precursor.

    In pigment and glass applications, soluble metals or errant silicates stain products or cause unpredictable hue shifts. The refining process we follow, which uses multiple washing and gravity settling cycles, minimizes these troublemakers. Customers send back feedback showing improvements in color stability, and glass frit clarity, once they switch to our material. No amount of technical literature substitutes for firsthand experience and raw test data over years of quality monitoring.

    Handling and Storage Realities

    Lead Hydroxide isn’t always simple to store or transport. We know moisture causes agglomeration and clumping—an everyday headache unless you prepare for it. Sealed polypropylene bags, moisture protection packets inside the drum, and climate-controlled storage keep our product crisp and pourable. In humid summers, even one slip in warehouse protocol shows up as slow-flow days for customers. We built our packaging and shipment routines with those lessons in mind.

    This powder settles quickly in suspension. Customers running slurries for manufacturing processes told us early on about the pain of clogged filters and waste build-up. Our production tweaks—like extended agitation during precipitation, followed by low-speed drying—produce finer particles that mix into water or acid more evenly. These facts seldom make glossy catalogs, but they protect the integrity of a busy factory's workflow.

    Comparing to Other Lead Compounds

    Lead chemistry has breadth: monoxide, dioxide, carbonate, and red lead. Each compound shines or fails depending on use. Lead Hydroxide delivers value through high reactivity and well-behaved physical characteristics. The reaction profiles differ. Lead monoxide kicks off more heat and gas on contact with acids—useful in some battery chemistries, but dangerous in pigment production or ceramics. Lead carbonate, prized for opacity, proves tougher to disperse and more prone to introducing insoluble residues.

    Another key difference: safe handling and conversion. Lead Hydroxide, with low dust levels and a manageable hazard profile when packaged in modern sacks, creates less airborne contamination than finely ground red lead or certain oxides. Plant workers face lower risks of dust exposure, crucial in long-term industrial health. Downstream, the hydroxide feeds directly into oxidation or precipitation steps, reducing waste and improving yields.

    From a materials science angle, hydroxide starts off neutral and can be steered in several reaction directions—oxidation, precipitation, or reduction—making it the right pivot point for diverse lead derivatives. People crafting specialty glass, stabilizers, pigments, or even x-ray shielding navigate toward the hydroxide when seeking control over final product traits.

    Supporting Responsible Use

    The world shifted its view of lead compounds in the past decades. Our team works with strict process controls. On-site filtration systems, careful collection of process water, and a closed-loop waste cycle stand between us and environmental releases. Inspection teams visit us regularly. Not simply for compliance, but to prove responsible handling at each stage. We make acid neutralization a priority, scrubbing out stray contaminants before anything leaves our plant.

    Inside customer factories, we suggest practical approaches. Dedicated storage, ventilated powder rooms, and fitted masks for workers all make up the foundation. No shortcuts. We developed detailed training materials based on incident logs from earlier years. It’s not about checking boxes—real safety emerges through honest, open transfer of experiences, mistakes and all.

    Innovations in Production

    Manufacturing Lead Hydroxide is far from static. Over the years, we faced down outages in electrical supply, wide swings in raw ore purity, and repeated shakedowns of our water treatment system. Seeking resilience, we built redundancies into our precipitation tanks and filtration lines. By switching to variable-speed agitators, tighter particle size spread arrived almost overnight. These stories of adaptation rarely show up in sales literature, but they drive steady quality improvements.

    In recent years, new demands from electronics and advanced ceramics spurred us to invest in in-line particle size analysis and automated moisture controls. The benefits landed in higher-grade products that competitors often struggle to match. Customers in high-precision industries find that every ton of hydroxide provides the same performance, batch after batch, year after year. Consistency comes not from one-off tweaks but a manufacturing culture built on noticing every detail, sharing fixes, and not hiding from mistakes.

    Listening to Industry Feedback

    Industry rarely stands still. Clients reach out with hard questions—how to hit tighter tolerances, remove obscure elements, or support new downstream chemistry. We take these as opportunities rather than headaches. Once, a glass bead producer traced sporadic blue tinting back to a single element in our wash water. That led us to overhaul tank materials and add additional filtration steps. Since then, no color problems. Pigment clients request better dewatering for faster throughput; we work side-by-side, running pilot batches until the process lands right.

    Battery engineers, always chasing efficiency, query about trace-level catalysts or doping with alloying elements. We research, sample test, and tune precipitation chemistry to suit new cell designs. It’s an unending, collaborative cycle. We remain a manufacturer as much as an advisor, bridging between technical ideas and steady outputs. That partnership sits at the core of how lead compounds keep evolving.

    Environmental and Regulatory Realities

    Lead’s reputation means regulation runs high. We learned to document every step, from ore receipt through final packing. Periodic audits go deeper than paperwork—they bring new ideas for solvent management, energy use, and pollution control. Our waste streams undergo treatment in two separate lines to block both dissolved and particulate phases. Anything pushed into municipal drains arrives as inert, tested residue.

    Efforts from regulatory agencies push us toward more efficient water re-use, air scrubbers, and rapid accountability. In some years, investments feel steep; in hindsight, they only strengthen our brand. Local environmental agencies occasionally highlight our facility when setting benchmarks. Those moments of third-party recognition vindicate the daily hustle around the plant—more than automated systems, it’s vigilant crews and open books that rise above “safe enough” into best-in-class practice.

    Looking Ahead: Meeting Changing Demands

    Manufacturing never happens in a vacuum. In the past five years, a growing segment of our business turned toward advanced battery technology, specialty coatings, and unique glasswork requiring even tighter control. Rare earths, heavy metal substitutes, and eco-friendly stabilizer chemistry all affect the way people use our Lead Hydroxide. We commit ongoing capital to plant upgrades, aiming for sub-micron particle control, smarter packaging, and emission-free operation.

    In partnership with universities and research labs, we fund work on lower-toxicity processing. Lead chemistry will never be trivial, but modern techniques minimize exposure risks and grow potential uses far beyond yesterday’s boundaries. We write these changes directly into our plant workflow—batch records, hands-on training, and after-action reviews ensure practical, not theoretical, results.

    Summary

    Lead Hydroxide, as produced at our facility, stands out for purity, practical reliability, and hands-on technical support. Decades of refinement mean each drum, sack, or bulk tote receives the same careful attention. Downstream users—from longtime battery shops to cutting-edge glasswork labs—draw on those strengths to push their fields ahead. We welcome challenge, feedback, and innovation, knowing that real progress comes from one improvement at a time, and never from standing still.

    Nobody understands the full story from spec sheets alone. Our experience teaches that quality comes from paying close attention to detail, responding to real users, and investing in safer, cleaner processes at every step. These principles guide us, ensuring that Lead Hydroxide serves as a reliable cornerstone for those who depend on it.