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Sodium Metasilicate Nonahydrate

    • Product Name Sodium Metasilicate Nonahydrate
    • Alias sodium_metasilicate_nonahydrate
    • Einecs 229-912-9
    • 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

    871258

    Chemical Name Sodium Metasilicate Nonahydrate
    Chemical Formula Na2SiO3·9H2O
    Molecular Weight 284.20 g/mol
    Appearance White crystalline powder
    Solubility In Water Highly soluble
    Ph Of 1 Percent Solution 12.4
    Melting Point 32.4°C (decomposes)
    Density 1.46 g/cm3
    Odor Odorless
    Cas Number 13517-24-3

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

    Packing & Storage
    Packing Sodium Metasilicate Nonahydrate is packed in a 25 kg white woven polypropylene bag with blue labeling and moisture-resistant inner lining.
    Shipping Sodium Metasilicate Nonahydrate is shipped in tightly sealed, moisture-proof containers, such as fiber drums, HDPE bags, or polyethylene-lined sacks to prevent exposure to moisture and contamination. It should be stored and transported in a cool, dry, and well-ventilated area, away from acids and incompatible substances. Proper labeling and hazard precautions are required.
    Storage Sodium Metasilicate Nonahydrate should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from acids and incompatible materials. Protect it from moisture, heat, and direct sunlight. Store at room temperature and avoid exposure to air, as it is hygroscopic. Ensure containers are clearly labeled and kept away from food and drink.
    Application of Sodium Metasilicate Nonahydrate

    Applications of Sodium Metasilicate Nonahydrate in Industrial Manufacturing

    As a direct producer of Sodium Metasilicate Nonahydrate, we supply this technical grade material to controlled production environments worldwide. Extensive quality control ensures suitability for critical roles in multiple downstream industries. This section details our direct application experience across selected manufacturing sectors, outlining precise standards, actual formulation methods, targeted process stages, and the finished products our customers deliver to market.

    1. Industrial Detergents & Cleaning Agents

    Formulators in the cleaning products industry deploy Sodium Metasilicate Nonahydrate primarily for its alkaline cleaning boost, builder functions, and ability to inhibit redeposition of soils. Its high solubility and buffering capacity enable effective grease, oil, and particulate removal in alkaline cleaner formulations supporting industrial laundries, machine part washing, and institutional cleaning. Rigorous batch validation ensures performance aligned with regulatory standards for both human safety and wastewater management in B2B detergent & cleaning agent manufacture.

    Industry compliance standards

    • REACH (EC) No 1907/2006 Registration
    • EU Detergents Regulation (EC) No 648/2004
    • OSHA Hazard Communication Standard (29 CFR 1910.1200)
    • China GB 38598 Industrial Cleaning Agent Standard

    Typical usage ratio

    • 5%–20% w/w (solid or liquid system) for industrial and institutional cleaner bases
    • Dose readsjusted to required builder and cleaning power considering other alkalinity sources in formula

    Downstream process integration

    • Added as a primary alkali and builder component during the aqueous blending stage in cleaner base production
    • Incorporated in pre-mix tanks prior to surfactant and function additive addition for pumpable liquid products
    • Dry blending in high-shear mixers for powder detergent lines, monitored for caking and agglomeration control

    Final product types

    • Heavy-duty machine wash powders for textiles
    • Commercial degreasing liquids (for kitchen, garage, or industrial sites)
    • Dishwashing machine detergents (institutional grade)
    • Alkaline spray and immersion cleaners for factories

    2. Ceramic and Porcelain Manufacturing

    Tile, sanitaryware, and industrial ceramics producers rely on Sodium Metasilicate Nonahydrate as both a deflocculant and plasticizer. It disperses clay particles, reducing water demand and improving slip properties, crucial for stable slurry flow in slip casting and shaping. Its effectiveness depends on adaptation to the specific clay body and process cycle, with close attention to kiln emissions and effluent regulations for consistent and compliant high-volume ceramic production.

    Industry compliance standards

    • ISO 13006:2018 (Ceramic tiles – product standards)
    • ASTM C490/C490M-17 (Standard for Ceramics Slurry Preparation)
    • EU Industrial Emissions Directive 2010/75/EU (for process emissions)
    • GB/T 3310-2015 (Chinese standards for ceramic tiles)

    Typical usage ratio

    • 0.1%–0.5% by mass of dry clay mix (as active metasilicate)
    • Exact ratio determined by clay mineralogy, slip viscosity target, and final product density specification

    Downstream process integration

    • Dissolved in metered process water and introduced at the slip preparation step in blungers and agitators
    • Used in stepwise dosing to reach the required rheological properties during slurry milling and sieving
    • Residual Na2O content monitored to control downstream glaze adherence

    Final product types

    • Vitrified wall and floor tiles
    • Porcelain sanitaryware (toilets, basins, shower trays)
    • Glazed pottery for architectural and industrial use
    • High-density ceramic insulators

    3. Water Treatment and Boiler Scale Control

    Downstream users in municipal water treatment and circulating water systems utilize Sodium Metasilicate Nonahydrate for silica stabilization and as a corrosion inhibitor in boiler water management. Its multi-functionality helps maintain system cleanliness, extending asset life and improving operational efficiency. Dosing protocols follow national drinking water and environmental discharge regulations, accompanied by rigorous tracking of silicate residuals and byproduct formation in treated circuits.

    Industry compliance standards

    • ANSI/AWWA B202-03 (Sodium Silicates for Water Treatment)
    • USEPA National Primary Drinking Water Regulations
    • EN 15029:2012 (Chemicals used for treatment of water intended for human consumption)
    • China GB 5749-2022 (Standards for Drinking Water Quality)

    Typical usage ratio

    • 10–100 mg/L as Na2O equivalent for municipal water treatment
    • 30–150 mg/L (adjusted for make-up water hardness and system volume) for closed-loop boiler circuits

    Downstream process integration

    • Pumped or dosed during raw water pretreatment to regulate silica stability and reduce hardness precipitation
    • Metered into online chemical feed systems for continuous control in boiler house or industrial water loops
    • Post-dilution residual analysis performed during operation to assure regulatory discharge compliance

    Final product types

    • Treated potable water (municipal and bottled)
    • Softened feedwater for steam boilers and heat exchangers
    • Cooled industrial process water for closed-loop recirculation plants
    • Treated discharge water meeting environmental permit limits

    4. Pulp and Paper Processing

    Paper mills and pulp producers use Sodium Metasilicate Nonahydrate in pulping and deinking to boost fiber swelling, ink solubilization, and as a dispersant for dissolved and colloidal substances. Its inclusion enhances the removal of printing inks, colorants, and fines in the recycling process while aiding the caustic extraction step in chemical pulping lines. Quality management aligns with sector-specific regulatory and environmental requirements, particularly for downstream white water reuse and final board production.

    Industry compliance standards

    • ISO 5263-1:2004 (Pulps — Laboratory Wet Disintegration)
    • EU BREF Document for Pulp and Paper Industry
    • China GB/T 20808-2022 (Deinking agent standard)
    • National Emission Standards for Pulp and Paper Industry (GB 3544-2008, China)

    Typical usage ratio

    • 0.2%–1.2% (dry pulp basis) in deinking formulations
    • 0.3–1% (as Na2O) in chemical pulping liquors, tailored by paper grade and wood furnish

    Downstream process integration

    • Injected at pulper feed, either prior to or together with other alkali and surfactant agents
    • Circulated in deinking loops alongside peroxide and surfactants for ink particle dispersion
    • Removed in the washing/cleaning stage prior to papermaking machine entry

    Final product types

    • Recycled white and newsprint paper
    • Coated board and corrugated intermediate paper
    • Kraft liner and copier-grade sheets made from recycled pulp
    • Bleached pulp furnished to third-party papermakers

    5. Textile Processing and Scouring

    In large-scale textile operations, Sodium Metasilicate Nonahydrate acts as a key alkali in preparation and scouring baths. It aids in breaking down waxes, oils, and absorbable impurities from natural and synthetic fibers, supporting brightening and finishing before dyeing. Careful dosage and monitoring ensure fiber integrity and compliance with restricted chemical lists in international textile supply chains, especially for export-oriented production.

    Industry compliance standards

    • OEKO-TEX Standard 100 (for final product residues)
    • ZDHC MRSL v3.0 (Zero Discharge of Hazardous Chemicals Manufacturing Restricted Substances List)
    • ISO 9001:2015 Quality Management System for Textile Processing
    • REACH SVHC Regulation compliance for export markets

    Typical usage ratio

    • 1–5 g/L in continuous scouring, determined by fabric type and process route
    • 0.5–2% (fiber weight) in semi-batch fiber scouring and desizing lines

    Downstream process integration

    • Introduced at the start of scouring baths, combined with surfactants and hydrogen peroxide
    • Continuously circulated in jet-dyeing machines or padders for high-throughput textile preparation
    • Filtered off in final neutralization and washing stages to match effluent discharge requirements

    Final product types

    • Pre-bleached woven cotton and cotton-blend fabrics
    • Prepared synthetic filament and staple fiber textiles
    • Dyed knitwear and industrial uniform fabrics with low residual impurities
    • Finished yarns for home textiles and apparel

    6. Metal Surface Treatment (Cleaning and Phosphating)

    The metal finishing sector applies Sodium Metasilicate Nonahydrate in pre-treatment cleaning and phosphate coating lines. Its function as a silicate-based cleaner and corrosion inhibitor supports consistent surface preparation before painting, electroplating, or powder coating. Bath management demands close control to balance cleaning efficiency with foaming and water hardness, and robust effluent practices guarantee safe operation within regulated metalworking and automotive supply chains.

    Industry compliance standards

    • ISO 20801:2016 (Surface preparation – Metal substrates prior to coating)
    • SAE AMS 2481 (Processing of Cleaners in Metalworking)
    • China HG/T 4534-2013 (Phosphate conversion coating standards)
    • REACH Compliance for automotive export coatings

    Typical usage ratio

    • 2–8 g/L in alkaline soaking and spray cleaning systems
    • Additional 0.5%–1% as a corrosion inhibitor in intermediate water rinsing bath

    Downstream process integration

    • Dosed at the tank fill or through automatic dosing units before/after degreasing steps
    • Integrated in multi-stage phosphate conversion coating lines, typically after mechanical or chemical surface de-scaling
    • Residual monitoring in pre-paint or pre-plating baths to avoid interfering with final conversion or adhesion

    Final product types

    • Phosphated steel and galvanized sheet for automotive and appliance parts
    • Industrial machine housings and fixtures with corrosion-resistant coatings
    • Pre-treated sheet metal for architectural or construction applications
    • Precision metal stampings for electronics or hardware assemblies
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    Certification & Compliance
    More Introduction

    Sodium Metasilicate Nonahydrate: Direct from the Manufacturer’s View

    Real Chemical, Real Manufacturing

    At our plant, sodium metasilicate nonahydrate isn’t just a chemical formula—it’s a staple that runs through many sectors that keep life moving forward. With daily production, it’s clear just how central this hydrate form has become. Our team manages every step, from sourcing sodium silicate solutions to controlling hydration levels. We have spent years refining our model with consistent attention to both purity and particle size. This attention gives customers a trouble-free experience, especially those running continuous production or seeking smooth dissolution in their application processes.

    Features That Mean Business

    Sodium metasilicate nonahydrate (Na2SiO3·9H2O) leaves our lines with a crystalline, white granule form thanks to controlled cooling and drying. Moisture level and bulk density encourage predictable flow during handling and blending. Real-world experience shows customers appreciate this, since caking and erratic feeding clog up production lines and inflate costs. Our facility runs tests on every batch, including melting point analysis and grain-size checks. Customers use the nonahydrate in applications that demand fast and complete dissolution, such as textile processing, detergent blending, ceramics, and light industrial cleaning. This makes sense, because the nonahydrate’s higher water content compared to pentahydrate or anhydrous versions shortens dissolution times, which is crucial when output schedules run on minutes, not hours.

    Specifications That Matter Every Day

    We stick to specifications that steady our clients’ workflows. Most customers count on sodium oxide content falling in the 16-18% range and silica content typically between 27-29%. Consistent particle size, usually around 100-200 mesh, is maintained to prevent clumping in feeders and hoppers. Hydration consistency is no accident: our drying process sets the crystalline water so reliably that unexpected moisture swings don’t result in product loss or packing complications. Not all suppliers guarantee this kind of predictability across different weather seasons or shipping conditions. As a manufacturer, it’s easier for us to respond to custom requests, especially for particularly fine or coarse grades, since we manage the entire granulation stage in-house.

    Real-World Usage: Not Just Theory

    Industrial users often seek technical support for sodium metasilicate nonahydrate in cleaning, textile scouring, water treatment, and even construction. In daily operation, batch consistency shapes results: if the metasilicate dissolves unevenly, cleaning solutions become either too weak or produce scale lines in boilers. In laundry and detergent formulations, the nonahydrate dissolves cleanly and quickly, providing strong alkaline reserve without residue. Workers on the line notice the difference; dusting is low and the flow is smooth, which matters for accurate dosing. We collaborate frequently with end-users in ceramics to optimize slip viscosity and prevent clumping that can plug filters—something that pentahydrate or less hydrated grades often struggle with. Building restoration and construction firms using sodium metasilicate in concrete admixtures and paint removers benefit from the controlled release of alkalinity and silicate ions. A decade of feedback has shaped our process to produce reliable metasilicate that doesn't throw up unexpected behaviors in mixing tanks.

    How This Hydrate Differs from Others

    Sodium metasilicate comes in several hydrates—most folks in the field know about nonahydrate, pentahydrate, and the anhydrous grade. Each suits a particular task, but the choice impacts not just the chemistry but the pocketbook and shop floor workflow. The nonahydrate version, with its higher water content, flows and dissolves more rapidly under ambient conditions. That’s essential in cleaning, textile, and some adhesive production where time on the clock—and uptime on gear—matter more than squeezing out every gram of sodium oxide. The pentahydrate (Na2SiO3·5H2O), denser and less hydrated, is favored in situations where water load presents a disadvantage, or where warehouse conditions demand tighter packaging to prevent caking. Anhydrous sodium metasilicate, on the other hand, packs the most active material by weight, but the downside is risk of dust, less control in solution, and much slower dissolution at room temperature. From the plant side, nonahydrate wins for easy workability, safer handling, and versatility. Our experience lines up with the needs of high-speed production and those that seek a reliable, predictable input—laboratories, formulation specialists, and industrial washers come back to this product because they can trust it day-in, day-out.

    Why Downstream Quality Drives Our Manufacturing Focus

    Quality isn’t just a promise on a spec sheet; it’s our operational backbone. Consistency in melting point and grain distribution support our customers’ formulation routines. Batch after batch, we keep our washing and granulation workflows sharp, since even a small deviation throws off plants running on automated dosing. Our plant’s investments in continuous process monitoring—inline moisture meters, constant particle size analyzers, and automated packaging lines—mean tighter control over variations that cause customer headaches. Our customer network keeps us honest: the laundry chemical plant up the highway or the tile works in the next city both rely on this metasilicate to avoid wrecked batches or downtime. Their feedback, not just our own process control, drives us to refine how we hydrate, granulate, and pack every shipment.

    Supporting Safe Handling and Cleaner Results

    In field use, sodium metasilicate nonahydrate gets high marks for dust suppression. Compared to dryer grades, this hydrate reduces airborne particles, cutting both health risks for workers and losses from dust clouds during filling or transfer. Packaging lines at our plant use anti-sift liners and robust bag closures, so what leaves the bag stays where it belongs. As more companies focus on safer working environments and comply with global regulations targeting workplace dust, we keep our processes and packaging up to date, always aiming to meet higher standards. By handling bulk shipments with minimal spillage and designing options for easy end-user dispensing, customers waste less and spend less on workplace cleanups. In industrial cleaning tasks, such as boiler descaling or oil degreasing, the fast-dissolving crystals get to work fast—teams don’t waste time stirring or waiting for solution clarity. In technical glass and ceramic slip preparation, the nonahydrate form avoids the uneven thickening or sediment seen with lumpier or less hydrated grades.

    Delivering Sustainability in Core Chemistry

    From the earliest days, making sodium metasilicate nonahydrate has required a sharp eye on energy and water use. Water quality and cycle times affect the crystal properties, but also factor into our energy bills and downstream wastewater. Our teams monitor water recyclability, improve heat recovery during drying, and refine granule sizing to minimize waste at every step. Incoming feedback from industrial users—particularly those looking to green their operations—influences our approach to packaging size, coil temperature, and water-filtration stages. Reduction of environmental footprint isn’t buzz for us; it’s a practical matter of running a tighter, better plant and keeping customer trust over the long haul. By tuning energy use in the hydrate cycle and recovering waste heat for subsequent batches, we maintain product reliability without running up the power meter. Our take on sustainable manufacturing comes from walking the plant floor and hearing from companies working hard to reach their own sustainability benchmarks. Their drive becomes ours.

    Facing Today's Challenges—Direct from Our Floor

    Manufacturing sodium metasilicate nonahydrate at scale throws up real challenges. Moisture swings due to weather, salt drift in water supply, and regional power outages can all impact the steady processing required for batch uniformity. We build extra redundancy into raw material checks and keep a flexible maintenance schedule. By analyzing process data in real time, our teams can correct batch errors before they reach finished goods. Over the years, we’ve had our share of learning moments—bins that clumped during a monsoon, bulk bags that split after a long rail journey. These experiences toughen both our procedures and packaging. Constant dialogue with customers and transport partners means we fix problems before recurrence and keep quality cycles tight.

    Real Manufacturer, Real Results

    Being the producer means we don’t pass problems upstream or down—we own them. Daily interaction with bulk users informs each improvement, whether it’s tuning the cooling curve in the hydrator or refining the internal sack lining for easier emptying. We handle custom batch runs without jumping through layers of middlemen. Samples pulled straight from our line match what gets delivered. This direct connection shortens lead times and closes the loop on troubleshooting. Where distributors typically deliver finished material, their troubleshooting is often one or two steps removed from those who control process variables. Our plant staff see firsthand how small tweaks during manufacture—grain structure, batch aging, bagging temperature—solve persistent user issues that others overlook. That’s why companies facing tough technical hurdles with other supply sources come to us to iron out their process swings. They know we can be counted on with both technical support and rapid response, since we hold the entire workflow in-house.

    Supporting the Future of Industrial Chemistry

    Each year, demand grows for safe, fast-acting alkaline agents that keep industries turning. Sodium metasilicate nonahydrate continues proving itself across cleaning, adhesives, ceramics, and chemical manufacturing. We respond by tuning our operation to new market challenges: reducing sodium leaching for water-sensitive formulations, customizing grain size for faster bottling, tweaking hydrator residence times for better storage life. Our technical teams spend as much time in customer plants as behind process controls. They listen to the daily realities of shop supervisors and line managers—cleanliness, dustiness, stoppage rates, storage headaches. Longtime customers know these details shape their costs and outcomes. Our approach centers on adjusting both batch and continuous production based on these real conversations, not just lab results.

    Working with Everyday Users

    Manufacturers in textile and cleaning industries benefit from our robust supply lines and technical guidance. Textile houses switching to nonahydrate from pentahydrate often report smoother blending and fewer product rejects due to incomplete dissolution. Detergent companies—especially those running on older equipment—praise the uniform, low-dust granules for keeping process hoppers clear. Ceramics plants using our product in slip and glaze batches see fewer filter-change interruptions and save on raw material through faster, cleaner mixing. Some clients need extra fine or coarse metasilicate for a niche application, such as modified cleaner tablets or specialty industrial degreasers. Because we run our own granulation and drying, these requests get answered by our operations technicians, not delayed in handoffs. This relationship—manufacturer working directly with user—builds value well past what off-the-shelf supply can offer.

    Continuous Innovation on the Plant Floor

    Innovation starts with listening to users. Daily feedback from operators prompts our in-house team to tweak everything from drying times to packaging material. Even basics—how the product pours, whether bags collapse in stack, or how granules break down under stress—are on our radar. For users working in automated lines, we adapt grain size or flow properties on request. For those with third shift mixing crews, we engineer anti-caking measures in both product and packaging. Experience tells us process efficiency and user safety are never static. We invest in the right upgrades—auto-sampling, better hoses, improved rail car liners—to keep plant-to-plant supply steady and reliable.

    Why We Stick to the Nonahydrate

    Sodium metasilicate nonahydrate continues as our factory workhorse. While the pentahydrate and anhydrous grades offer unique strengths, nothing matches the reliability and broad fit of the nine-water version, especially for mid-scale to high-volume industrial users. Its low-dust and quick-dissolving nature serve both advanced and legacy operations. Owned and operated by technical professionals, our facility knows firsthand what matters during a production shift. We set our practices on real-world results, not catalog figures, fine-tuning hydration and granulation for repeatable outcomes. Thanks to local and international users, our processes remain open to adjustment and fast improvement.

    Setting the Course Ahead

    Sodium metasilicate nonahydrate’s importance grows as end-users seek faster, safer, and more durable solutions for cleaning, textile processing, ceramics, and industrial maintenance. As the original manufacturer, our duty stretches beyond simply filling bags; it includes continuous support, technical feedback, and product evolution. Working closer with end-users keeps solutions practical and helps us respond as new challenges arise, whether in packaging, formulation, or environmental impact. We see each ton delivered not just as a product, but as the result of open lines of communication, ongoing process improvement, and a drive to deliver value where it counts: on the factory floor and in the hands of those who keep things running every day.