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

    • Product Name Silica Sand
    • Alias Silica Sand
    • Einecs 238-878-4
    • 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
    VTB
    Specifications

    HS Code

    553892

    ChemicalFormula SiO2
    Color White to light brown
    GrainShape Angular to sub-angular
    HardnessMohs 6.5 - 7
    SpecificGravity 2.65
    BulkDensity 1.4 - 1.7 g/cm3
    MeltingPoint 1710°C
    RefractiveIndex 1.544
    pH 6.5 - 7.5
    SolubilityInWater Insoluble
    LossOnIgnition < 0.5%
    SieveAnalysis Various mesh sizes available

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

    Packing & Storage
    Packing Silica Sand is packaged in a durable 25 kg polypropylene bag, labeled clearly with product name, safety precautions, and manufacturer details.
    Shipping **Silica sand** is typically shipped in bulk via trucks, railcars, or bulk carrier ships, packaged in bags or containers to minimize dust and contamination. Ensure containers are dry, weatherproof, and properly labeled according to safety standards. Protect silica sand from moisture during transit and handle with care to avoid spillage and inhalation risks.
    Storage Silica sand should be stored in a cool, dry, well-ventilated area, away from incompatible substances. Use tightly sealed containers or bags to prevent contamination and minimize moisture absorption. Clearly label all storage containers. Avoid storing near strong acids, bases, or hydrofluoric acid, as reactions may occur. Store at ground level to reduce spillage risk and keep away from sources of ignition.
    Application of Silica Sand

    Applications of Silica Sand in Industrial Manufacturing

    Silica sand plays a critical role in multiple industrial manufacturing sectors due to its high purity, controlled particle size, and reliable chemical properties. As a direct producer, we supply material conforming to strict process standards for diverse downstream applications. Below, we detail major use cases with precise regulatory, processing, and product considerations.

    1. Flat Glass Production

    Flat glass manufacturers use silica sand as the primary component for producing float glass and sheet glass for construction and automotive industries. Strict control over iron content and particle size distribution is necessary to ensure optical clarity and mechanical strength. Production facilities dose silica sand together with soda ash and limestone into batch mixers, then feed the blend directly into float or rolling furnaces, where melting, forming, and annealing occur in continuous processes.

    Industry compliance standards

    • EN 572-1:2022 Glass in Building – Basic soda-lime silicate glass products
    • ASTM C1036-21 Standard Specification for Flat Glass
    • ISO 9001:2015 Certified Quality Management Systems

    Typical usage ratio

    • SiO2 content in batch: 68–75% by weight, balanced with soda ash and limestone. Minor variation depends on glass thickness and final color specifications.

    Downstream process integration

    • Bulk delivery to silo storage
    • Dry or wet batch preparation with automated dosing
    • Direct addition to glass furnace input

    Final product types

    • Architectural float glass panels
    • Automotive windshields and windows
    • Tempered, laminated, and mirrored glass sheets

    2. Foundry Casting Molds

    The metal casting industry relies on high-silica content sand for making precision molds and cores, particularly for iron, steel, and non-ferrous alloys. Foundries select sand grades with defined particle size and minimal impurities for consistent thermal performance. Sand is mixed on-site with binders and additives, then compacted into reusable or disposable molds before receiving molten metal. Post-cooling, operators reclaim and recycle sand for further cycles, following material purity and safety protocols.

    Industry compliance standards

    • ISO 23499:2021 Foundry Sands – Testing Methods
    • DIN EN 13700 (Foundry Sand Requirements)
    • REACH Regulation (EC) No 1907/2006 – Chemical Safety

    Typical usage ratio

    • Sand content: 85–98% of total mold composition. Binder and additive levels change based on casting size and metal alloy.

    Downstream process integration

    • Bulk storage in dry silos
    • Mechanical or pneumatic transport to mixer systems
    • Integration in cold box, green sand, and no-bake mold processes

    Final product types

    • Engine blocks and cylinder heads
    • Valve housings and gearbox casings
    • Complex steel and aluminum casting components

    3. Sodium Silicate Manufacture

    Chemical plants process silica sand in high-temperature reactors with sodium carbonate to manufacture sodium silicate. Consistent raw sand quality supports stable yields and homogeneous solution. Material enters direct fusion or hydrothermal units, then plants refine, filter, and concentrate the solution to specific grades. Sodium silicate serves as a precursor in adhesives, detergents, paper, construction grouts, and water treatment.

    Industry compliance standards

    • EN 12068:2018 Sodium Silicate for Industrial Use
    • GB/T 4209-2021 Sodium Silicate Standards (China)
    • Strict adherence to in-house QC for trace metal analysis

    Typical usage ratio

    • Silica to sodium carbonate mass ratio: 2.0–2.4:1. Adjusted based on required silicate modulus (SiO2/Na2O ratio) for end-user formulation needs.

    Downstream process integration

    • Raw material feeding to direct fusion kilns or autoclaves
    • Continuous mixing and melting at 1100–1400°C
    • Post-synthesis clarification and filtration

    Final product types

    • Alkaline detergents and cleaning agents
    • Adhesive and binder compounds
    • Silicate-based refractory materials

    4. Industrial Coatings and Paints Fillers

    Paint and coatings manufacturers utilize fine-grade silica as an anti-caking, anti-settling, and matting agent in water-based and solvent-based formulations. The material enhances durability and abrasion resistance. Producers pre-sieve and dry sand to specified fineness, blend directly into pigment dispersions, and use high-speed mixing to ensure uniform distribution throughout the batch. Selection of granulometry and purity aligns with product-specific performance and safety requirements.

    Industry compliance standards

    • ASTM D6053-21 Standard for Mineral Fillers in Paints
    • EU REACH registration requirements for minerals
    • ISO 9001:2015 production documentation

    Typical usage ratio

    • Typical filler loading: 5–18% by weight, adjusted based on gloss, viscosity, and film thickness requirements of the final formulation.

    Downstream process integration

    • Direct blending in high-speed dispersers
    • Pre-milling and dispersion with base resins
    • Fineness checks before canning and packaging

    Final product types

    • Matte and textured wall paints
    • High-durability industrial primers
    • Heat-resistant coatings for steel and aluminum substrates

    5. Water Filtration Media

    Municipal water and effluent treatment plants use silica sand in multi-media filter beds and rapid gravity sand filters. The controlled particle size ensures optimal flow rates and retention of suspended solids. Our facilities deliver washed and graded material directly to plant operators, who load defined filter layers in accordance with equipment design and water quality objectives.

    Industry compliance standards

    • NSF/ANSI/CAN 61 Certification for Drinking Water System Components
    • ISO 22241-2:2019 Requirements for Water Treatment Media
    • WHO Guidelines for Drinking Water Quality Implementation

    Typical usage ratio

    • Media depth: 300–1000 mm per filter bed. Particle size: 0.4–2.5 mm depending on plant and filtration step. Proportion to anthracite or gravel adjusted per design throughput.

    Downstream process integration

    • Direct loading of sand into filter tanks after washing and sterilization
    • Layering with supporting gravel and, where used, activated carbon or anthracite
    • Periodic media replacement or regeneration based on operational cycle

    Final product types

    • Potable water for municipal supply
    • Process water for food and beverage industries
    • Treated industrial and municipal effluent

    6. Ceramic Body and Glaze Formulation

    Tile and sanitaryware plants select carefully graded silica as a key raw material in ceramic body and glaze recipes. Silica acts as a strength enhancer and flux during firing. Operators blend it with kaolin, ball clay, feldspar, and other functional minerals in proportion specific to product type. Milling, mixing, and granulation steps follow strict blending and moisture control criteria before pressing or casting. High-purity grades help reduce firing defects and improve whiteness in final ceramics.

    Industry compliance standards

    • EN 14411:2016 Ceramic Tiles – Definitions, classification, characteristics, and marking
    • ISO 13006:2018 Ceramic Tiles
    • In-house QC with XRF and granulometry per firing schedule

    Typical usage ratio

    • Silica loading: 25–38% by dry weight in standard tile bodies. Glaze formulation: 8–22%, adjusted for translucency and melting point control.

    Downstream process integration

    • Dry blending and ball milling
    • Wet granulation and slip preparation
    • Direct transfer to press or casting molds, followed by high-temperature firing

    Final product types

    • Wall and floor tiles (glazed, unglazed)
    • Vitrified porcelain tiles
    • Sanitaryware (sinks, toilets, basins)

    7. Oil and Gas Hydraulic Fracturing Proppant

    Unconventional hydrocarbon extraction uses precision-graded silica as a proppant in hydraulic fracturing treatments. High crush resistance and sphericity enable uniform fracture holding in deep wells. Material handling involves drying, sieving, and surface treatment before high-volume delivery to field sites. Operators mix silica with water, polymers, and chemicals, then inject under pressure to maintain reservoir permeability during production cycles.

    Industry compliance standards

    • API RP 56/58/60 (American Petroleum Institute) – Testing and evaluation for hydraulic fracturing sand
    • ISO 13503-2:2006 Hydraulic Fracturing and Gravel-packing Proppants
    • Frac sand dust and environmental controls (OSHA, MSHA for site safety)

    Typical usage ratio

    • Proppant concentration: 1.0–4.0 kg/L of fracturing fluid. Exact rate set by well depth, reservoir pressure, and target conductivity.

    Downstream process integration

    • Truck, rail, or conveyer delivery to onsite silos
    • Blending with fracturing fluids and chemical additives
    • Pumping into wellbore during stimulation stage

    Final product types

    • Propped well fractures for oil and natural gas extraction
    • Frac sand blends for custom stimulation programs
    • High-conductivity proppant packs for shale and tight gas plays
    Free Quote

    Competitive Silica Sand prices that fit your budget—flexible terms and customized quotes for every order.

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    Certification & Compliance
    More Introduction

    Silica Sand: A Closer Look from Inside Our Plant

    The Backbone Material Behind Countless Industries

    Working at the heart of our own facility, we see every day how much demand there is for high-purity silica sand. Some just call it quartz sand, but on the shop floor and at the shipment docks, we're always talking about ‘the grades’ and ‘the mesh sizes’ because these factors drive the value and the applications. Under current industry standards, we offer our Silica Sand with a purity of over 99% SiO2, in grades ranging from coarse 8 mesh down to ultra-fine 200 mesh. Each of these sizes opens the door to a unique application, and the lab checks every lot against real numbers, not marketing slogans.

    Out of the bulk storage, the most popular cuts are 16-30 mesh and 30-50 mesh. Glassmakers command much of this output, always pushing for clarity in finished products. Many industries want low iron content, so our purification steps are critical. Consistency matters most—glass containers and flat glass manufacturers complain about even minor shifts batch to batch. A single half-percent fluctuation in iron can skew the quality, so we maintain strict process controls and double-check the outputs long before filling orders bound for float glass lines or fiberglass plants.

    We hear from foundries needing rounder grains for better flow during metal casting. There, our 40-70 mesh is the favorite. They ask about angularity and crush toughness, so we supply particle size analyses together with physical samples. In any foundry supply chain, fluctuations in grain shape affect yield and casting finish. Our team works with operators not only on paper but right on-site, running the sand through their molds and fine-tuning blends before any long-term deals. This hands-on work builds trust—nobody wants to retool a process for a product that won’t last the season.

    These downstream industries all count on silica sand for unique job requirements. Not all silica sands are equal, and that’s where we set ourselves apart—not only on chemical purity and controlled sizing, but in the personal ways we solve process challenges. From walking beside buyers as they examine stocks, to showing exactly how a new batch performs in pressure filtration units or water treatment beds, every ton carries the results of a dozen quality checks on grain distribution, turbidity, and contaminant profiles.

    Why Purity and Consistency Matter: Experience from Production

    Chemical purity isn’t a marketing gimmick. It comes down to controlled mining, screening, washing, acid leaching, and rigorous magnetic separation. Each batch runs through our lines where technicians keep a constant eye on iron, aluminum, and clay contamination. Once, we pushed through for faster volumes on a major order for a new glass plant and skipped a single filtration—only to see surface defects in the client’s production runs before the week was out. We learned hard lessons on the real cost of “good enough.” That’s why strict in-process controls and repeat sampling now anchor every step of the workflow.

    Customers making optical glass for electronics or solar panels have no margin for error. They inspect every delivery for impurities down to a few hundred parts per million. It makes no sense to push subpar output down the chain since these customers will spot every deviation. If a batch fails high-purity tests, we reroute it for construction or abrasive markets instead. Years of this approach reinforced a tight matching of product to real-world needs rather than just maximizing monthly sales.

    Comparing high-grade silica sand to lower grades or off-brand material, the difference appears immediately in finished products. Lower-purity sand brings up bubbles in float glass and weak spots in ceramic tile glazes. Particle shape affects filtration system backwash frequency, so water utilities keep coming back for our well-rounded grains. They can’t gamble downstream on blocked filters and system downtime. Real-world experience shows that cheap imitations cost more in lost output than they save on the front end.

    From Quarry to Shipping: The Steps Putting Our Sand Ahead

    We work the deposits we own, so every step from pit to bag falls under our own control. Extraction teams handle careful stripping to avoid clay seams, as stray fines clog downstream filtration at the plant. Washing lines pull out fines, and sorting screens keep out oversize particles that would create weak points in composite panels or uneven media beds. Our main washing station operates year-round, tailored to current weather and upstream silt content. Every adjustment shows up right away in daily output samples.

    After coarse screening, any sand heading for chemical industries or high-end glass passes to acid leaching tanks. This removes iron and stubborn metal oxides. Sampling on this line runs hourly and workers watch for reaction completion before pumping batches onward. Only a small fraction of the sand from regional mines passes these tests, and it’s these lots that end up in solar glass production or microelectronics. We track every metric and batch number because buyers want to trace back issues to their source and see a clear story on chemical analysis certificates.

    Our variety comes from practical sorting and blending rather than over-promising. If a customer asks for a specific particle blend or reduced moisture incoming, we change our drying regime or fine-tune screen agitation. Our dryers run natural gas to control burn-off and avoid introducing organic contaminants. Forklift teams pack pallets straight from dryer output, bagging under dust control so silicosis risk remains low for everyone involved. Regular upgrades across the plant stem from listening to safety inspectors and shop-floor staff.

    How Silica Sand Shapes Modern Construction

    From the mid-century booms to today’s high-rise and highway projects, construction crews rely on our silica sand for ready-mix concrete and asphalt production. Contractors tell us that our medium-to-coarse grades anchor their mixes and keep shrinkage under control. Strong, silica-rich sand means smoother troweling and fewer callbacks for surface crazing or delamination. On the batch plant side, moisture content and grain range affect mixing times and workability—our regular lab checks keep these numbers steady month after month, allowing customers to plan work pours around predictable material behavior.

    Decorative concrete and terrazzo users also trust specific mesh sizes to create consistent finish and color dispersal. Here, the uniform grain structure and white color of our higher-purity sand become assets, saving time on pigment adjustment and cleaning. In precast operations crafting beams and panels, fines content and moisture management determine whether finished goods meet dimensional stability standards. Our shipping staff talk directly to project leads before every large delivery, making sure site storage fits climate conditions and rain will not compromise batch loads.

    Difference from Other Industrial Sands: What Years of Production Show

    Some competitors mine river or dune deposits that contain more organic material or softer grains. Sand from these sources seems fine at first glance, but in the real world, softer grains produce much more dust during transport and storage. Concrete and water treatment operators both struggle when fine dust accumulates, since it can choke filters or disrupt worksite air quality. Our ore body features quartz grains with sharper boundaries and weathering resistance, which hold up longer under high-use conditions. Applications in hydraulic fracturing (“frac sand”) rely on this trait—without it, screen-outs and premature job stoppages become common.

    By running every production step ourselves, we skip distant reprocessing and long, uncertain transit. Our trucks carry finished batches straight to customer yards or railheads, and the person loading a truck usually knows exactly who will receive the order. This direct feedback helps us catch and fix mistakes before they affect downstream customers. Regular site audits keep us on schedule for process improvements and drive new upgrades—whether it’s dust suppression on loading docks or improved drainage at settling ponds. Each new staff engineer brings fresh techniques, and their ideas shape both the day-to-day work and the bigger investments each year.

    By controlling washing practices, we guard against loss of fines and avoid letting clay or silt stick to the grains as happens with sands from less careful operators. Every operator in our plant knows from experience that weather shifts—like early freezes or spike rains—can force quick changes to screening and drying times. Our frontline staff adjust mixes and record bin shifts, keeping production stable even as seasons change. No abstract process charts—real adjustments by people who know the work.

    End Uses That Go Beyond the Obvious

    Manufacturers often ask about silica sand solely for glass and concrete, but long-term contracts bring in a range of surprises. Resin composite production counts on specific mesh gradients to control resin flow, critical for making counter tops and engineered stone. As one customer shared after a failed batch: swapping out lower-purity sand led to pitting across a shipment of countertop slabs. Going back to our high-purity sand stabilized their process and kept their production line moving.

    Water treatment plants send detailed quotes for filter media every month. Here, hardness and grain roundness keep the filters performing through many cycles. Poor-quality sand breaks down or clogs over time, so informed buyers consistently request our proven lots by specification, backed by delivered performance logs. Aquaculture and swimming pool operators use the same principle—our sand sits in high-turnover filters where breakdown means costly downtime. Purchase managers often take bags from our line and run pilot tests on-site before buying in full volumes; our staff supply these test bags with no commitment, making sure buyers get hard proof before scaling up their operation.

    In sports and landscaping, the needs shift from chemical purity to drainage and surface stability. Golf course and sports turf managers care most about percolation rate and draining after rain. By controlling grain size and hydrophobic properties, we’ve tailored distinct blends just for these end users. Staff work directly on-site with grounds crews, standing on the fields and checking how surface compaction changes under load, adapting lots to suit tournament timelines or local weather patterns.

    Environmental Impact and Long-Term Responsibility

    We operate in an era where mines draw close attention—not just for what they extract, but how they leave the land. Over decades, our policies shifted from basic legal compliance to active stewardship. Runoff controls, tree belts, and phased reclamation keep us above stricter regulations and community scrutiny. Every load leaving the quarry draws from land we actively restore, whether by regrading or returning original topsoil for local farmers.

    Air monitoring data, collected both at the plant and downstream sites, inform our investment in dust suppression systems. By consulting regularly with regional agencies, we stay ahead of legislative changes—moving toward closed-loop water recycling and solar arrays at our wash plants before new mandates take effect. Employees participate in safety and environment audits not as annual paperwork but as active contributors, identifying issues before regulators ever notice.

    Over time, the lessons from our environmental efforts feed directly back into better product. Cleaner runoff means reduced contamination in stockpiles, translating into purer sand at final sorting. Years ago, less careful neighbors faced forced closures after tailing pond failures, while our continued investment in safety and sustainability left us as a preferred supplier among risk-conscious industrial users. Every batch that ships out stands on years of learning, trial, and commitment at every link of the process chain.

    Industry Changes and Where We Go from Here

    Across decades of silica sand mining and processing, the industry has shifted from bulk, undifferentiated commodities toward specialty lots with precise specs. Customers now buy on tested performance and traceability, not just price. We track every batch with digital records from pit to shipment, giving clients—or regulatory inspectors—immediate access to test results, shipment logs, and even on-site production conditions. If a structural engineer in a distant city wants to see exactly what sand ended up in a building’s concrete mix, our team can pull up documentation in minutes.

    Plant managers, lab technicians, and truck drivers work as a team to stand behind every order. Engineers consult with our biggest customers directly, using decades of experience, not marketing handouts. The connection to end users runs deep—if a glassworks in another country reports surface flaws, our technical staff often travel there in person, walking production lines to spot how a slight change in sand performance altered their process.

    Over the years, we learned to not chase the latest “miracle” product or shortcut. Customers keep coming back not because of flashy ads but for sand that simply performs batch after batch—at known gradation, with known chemical makeup, from people who are there for every delivery. That’s the reason our silica sand sells out every quarter and the relationships last long after projects wrap up.

    How Our People Make the Difference

    No process or product improvement comes from a boardroom memo. Our technicians working in the screen plant spot pattern changes in daily sieve tests; drivers picking up feedback at job sites relay storage challenges right away to the shipping group. Changes come from this day-to-day teamwork, and whenever process upgrades roll out, frontline staff test and tweak every step before it shows up at scale. New hires learn quickly there’s no place for short cuts or incomplete records.

    As standards rise and new markets appear—like high-purity sand for semiconductors—we adapt our workflows. We bring in outside consultants or academics for advice, particularly for unexpected problems like rare contamination events or trace metal spikes. We believe that open-book operations, transparency in lot testing, and steady investment in both talent and technology build not just a better sand, but better outcomes for the industries depending on us.

    Looking Forward: Meeting Tomorrow's Needs

    From the earliest mining days, silica sand proved itself essential to industry after industry. Every batch we produce reflects years of practical learning and structured feedback. Our blend of high-purity grades, strict quality controls, and team expertise makes the difference not just on paper, but in workplaces around the world. We invest in the people and processes that keep quality, safety, and consistency at the center of what leaves our plant. That’s what real experience brings to this material—the knowledge that the details matter, the relationships last, and the sand itself does the real work in the end.