Crude Salt

    • Product Name: Crude Salt
    • Chemical Name (IUPAC): Sodium chloride
    • CAS No.: 7647-14-5
    • Chemical Formula: NaCl
    • Form/Physical State: Solid
    • Factroy Site: China Salt Building, Lianhuachi, Guangwai Street, Fengtai District, Beijing, P.R.China
    • Price Inquiry: sales3@liwei-chem.com
    • Manufacturer: China National Salt Industry Corporation
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    Specifications

    HS Code

    607419

    Name Crude Salt
    Chemical Formula NaCl
    Appearance White to greyish crystalline solid
    Purity Typically 90-98% NaCl
    Moisture Content 1-5%
    Solubility In Water 35.7 g/100 mL (20°C)
    Density 2.16 g/cm³
    Melting Point 801°C
    Origin Sea water or rock salt mining
    Common Uses De-icing, water treatment, animal feed additive

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

    Packing & Storage
    Packing Crude Salt is packaged in durable 50 kg woven polypropylene sacks, labeled clearly with product name, weight, and handling instructions.
    Container Loading (20′ FCL) 20′ FCL (Full Container Load) for Crude Salt typically holds 25-27 metric tons, packed in bulk or 25-50kg woven bags.
    Shipping Crude Salt is typically shipped in bulk via maritime or land transport, packed in large sacks, drums, or containers to prevent contamination and moisture absorption. Standard labeling, hazard identification, and secure sealing are essential. Shipping documents must comply with relevant regulations to ensure safe and efficient handling throughout transit.
    Storage Crude Salt should be stored in a dry, well-ventilated area away from moisture and incompatible substances. Use sealed, corrosion-resistant containers or bags to prevent contamination and clumping. Keep the storage area clean and free from acids and organic materials. Label the storage containers clearly, and ensure that emergency eye wash and washing facilities are easily accessible near the storage location.
    Shelf Life Crude Salt has an indefinite shelf life if stored in a cool, dry place, protected from moisture and contaminants.
    Application of Crude Salt

    Purity 95%: Crude Salt with 95% purity is used in de-icing applications, where it enables efficient melting of road ice and ensures safer driving conditions.

    Particle Size 4-6 mm: Crude Salt of 4-6 mm particle size is used in water softening systems, where it provides optimal dissolution rates and enhances ion-exchange efficiency.

    Moisture Content 3%: Crude Salt with 3% moisture content is used in drilling fluid preparation, where it helps maintain fluid stability and prevents caking during storage.

    Stability Temperature 800°C: Crude Salt with an 800°C stability temperature is used in metal heat treatment processes, where it resists thermal decomposition and maintains consistent bath properties.

    Sulphate Content 0.6%: Crude Salt containing 0.6% sulphate is used in chemical manufacturing, where it supports brine preparation with controlled impurity levels.

    Bulk Density 1.2 g/cm³: Crude Salt with a bulk density of 1.2 g/cm³ is used in animal feed supplementation, where it ensures consistent mixing and uniform nutrient distribution.

    Calcium Content 0.3%: Crude Salt with 0.3% calcium content is used in food processing brines, where it limits undesirable mineral interference and maintains product taste profiles.

    Insoluble Matter 1%: Crude Salt with 1% insoluble matter is used in leather tanning, where it prevents unwanted sedimentation and maintains bath clarity.

    Sodium Chloride Content 94%: Crude Salt with 94% sodium chloride content is used in textile dyeing, where it promotes even color fixation and improves dye uptake.

    Magnesium Content 0.1%: Crude Salt with 0.1% magnesium content is used in aquaculture pond management, where it enhances water mineral balance and supports healthy aquatic environments.

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    Certification & Compliance
    More Introduction

    Crude Salt: More Than a Raw Material

    What Sets Crude Salt Apart

    Every day in the plant, salts leave the evaporators with characteristics shaped by the source brine and local conditions. Crude salt, which we produce from both solar and rock deposits, keeps things simple: sodium chloride forms over 95 percent of each batch, but the rest is where things get interesting. Magnesium, calcium, sulfates, and a range of trace minerals settle out in the mass. These elements don’t just appear because of careless production. They are reminders that minerals, weather, and time all leave their mark.

    We ship several tonnages of crude salt each season, and over the decades we’ve seen industries lean on its natural state: ice control, chemical synthesis, water treatment, animal feed. Unlike washed or refined salt, crude products skip most of the mechanical washing, screening, or chemical purification. Grains appear rough, sizes vary. Water content shifts with the climate and the holding pits; sometimes you can feel the slight dampness still clinging to the surface as you run a scoop through a new pile. When customers ask for a truly "raw" sodium chloride for de-icing, agricultural mixing, or brine making, this is what they mean.

    Production and Processing: The Path from Brine to Bulk

    Out at the solar salt fields, evaporation begins in vast basins. The brine, whether tapped from underground or sourced from seawater, flows through shallow ponds. Sun and wind do most of the work. As water escapes, crystalline beds form. Nothing in this process takes place in a vacuum; rain, dust, seasonal changes, and the occasional stray bird all leave traces in the final mass. Harvest involves scraping up the finished beds. Some batches get minor screening to break up the biggest chunks or weed out oversize rocks before shipping. No chemical bleaching, no high-pressure washing—what you see is what grew from the earth. This routine produces large volumes quickly with minimal input. At the same time, variations from pond conditions stay with the product.

    Rock salt production brings a different vibe. Mine engineers blast and crush thick underground deposits, left over millennia from vanished seas. Mineral composition fluctuates by layer. It’s common to notice veins of reddish or grey material—iron and clay nodules have their say. After crushing and grading, we load the rough salt directly for bulk transport. Purity can still reach high percentages, but the presence of insolubles, trace gypsum, and color bodies tells the story of ancient seas and slow geology. Both solar and mined crude salt come out ready for tough jobs or further processing.

    Specification Ranges: Embracing Natural Variance

    Batch sheets for crude salt don’t always read like tidy lab reports. Over the years, we’ve tracked total sodium chloride in the mid to upper ninety percent range. Magnesium can swing a few tenths of a percent, while calcium usually sits a bit higher in some pond crops. Sulfate content depends on the parent brine. Moisture runs anywhere between 2 and 6 percent when fresh, and storage brings gradual drying. No anti-caking agents, no fortification, no added iodine. What gets loaded out is what forms under sun and wind or deep underground.

    Some customers expect low solubility residue for brining or chlor-alkali operations. Animal feed users ask for specific trace mineral limits to avoid dietary issues in livestock. De-icing managers want a coarse grade that cuts through ice quickly but costs less per ton than purified products. We sort loads by these parameters but never promise the predictability of washed or vacuum salt. Customers looking for the purest material gravitate to refined options. For those who welcome the mix of sodium chloride and companion elements, crude salt proves reliable and cost-effective.

    Where Crude Salt Finds Its Place

    Winter maintenance crews rely on bulk crude salt each season. Its irregular granules and variable moisture help it stick to cold pavement, slow to bounce or scatter in wind. Every week, dump trucks leave our lots bearing hundreds of tons destined for city lots, highways, and parking areas. These operators know that while the melt rate might fluctuate depending on ambient temperature and composition, cost per ton and rapid availability matter more than pristine appearance. Municipal contracts demand trucks loaded fast after each storm, so we prepare salt fields and stacks beside railheads and roadway terminals.

    Industrial plants prize crude salt for brine production—especially in chlor-alkali processes, where sodium, chlorine, and caustic soda trace back to the start. Refined salt may offer near-total sodium chloride, but sometimes the economics don’t make sense for high-volume dissolution where trace elements show no adverse impacts. Raw salt’s granular structure dissolves efficiently in brine tanks, and impurities will separate out in clarifiers. Some chemical processors specify certain grades or moisture limits, but for bulk brine, crude salt’s lower production cost influences the choice.

    Livestock nutritionists and feed blenders source crude varieties as a mineral supplement. Cattle, sheep, and poultry nutrition plans reference sodium requirements, and our salt provides a basic, cost-effective solution. Since unrefined salt carries trace minerals, some segments of the livestock industry prefer its natural mix over sanitized or heavily processed versions. Feed grade batches stay free of heavy processing or unwanted chemical residues—which helps meet regulatory guidance in agricultural applications.

    Water treatment forms another key sector. Municipalities, softening plants, and boilers depend on sodium chloride for ion exchange processes. High-purity requirements drive some plants toward vacuum or washed salt, but others balance effectiveness with price and operational flexibility. Bulk crude salt, with its slightly higher levels of insolubles and mineral content, often fills the gap for large installations unconcerned by trace impurities. Aging wells, old piping, and seasonal water fluctuations sometimes require field technicians to adjust injection ratios, but the basic chemistry stays the same: sodium ions for hardness removal at scale.

    Dust suppression and soil stabilization form a quieter but steady part of the market. Road graders mix crude salt with gravel or earth to draw moisture and suppress airborne dust on construction lots and rural roads. Granular texture improves spread through basic spreaders. Some agricultural fields also use salt as part of leaching protocols against certain soil pests. For these needs, high-grade refinement adds needless cost without real-world improvement.

    Arts, tanning, dye works, and traditional crafts use crude salt in surprising ways. Textile artisans mark off dye patterns or weigh down hand-dyed panels. Tanners salting fresh hides to prevent decay and prepare for curing often require a simple, affordable sodium chloride that hasn’t been bleached or altered. Generations of craftspeople have asked for the least-processed material possible, trusting that the minor minerals do not interfere with ancestral methods.

    What Crude Salt Isn’t: A Word on Purity

    Plenty of buyers visit the plant expecting all salt to look and perform the same. Three decades running the lines have taught us that this material changes as conditions shift. Crude salt can’t match the sparkling white uniformity of vacuum-evaporated salt. Food packers and pharmaceutical outfits demand nearly absolute purity, consistent granule size, and complete absence of contaminants that could alter product quality. These industries turn away from crude grades, opting for highly controlled, laboratory-proofed lots.

    We urge processors testing new formulations or planning long-term contracts to sample batches and run solubility curves, especially in sensitive production systems. Testing and traceability work together: our experience has shown that the mineral background and seasonality of our crude salt don’t deliver the predictability or microbiological sterility required for high-precision industries. Food and pharmaceutical customers typically move on to refined or washed salt. Inspectors ask about heavy metals, microbiology, and particle consistency—and while crude salt has its strengths, exceeding strict thresholds isn’t one of them.

    Environmental projects using crude salt see the mineral’s background impact. Run-off management, waterways protection, and potential introduction of trace elements all factor into large-scale usage, especially in snow-prone cities. Few materials dissolve into local soils and aquifers as fast as sodium chloride. Public works managers, urban planners, and environmental engineers watch yearly salt budgets and monitor soil and water impact. As manufacturers, we push for transparency with chemical analyses, but we don’t pretend that crude salt’s rougher profile slips beneath the regulatory radar.

    Comparing “Crude” to “Refined”: The Why Behind the Choice

    Refined salt tells a different story. Each load sparkles white, gains anti-caking agents, and passes strict physical screens. Purification steps strip out all but a fraction of a percent of non-sodium chloride, and grain sizing follows tight parameters. Food manufacturers, chemical syntheses with low impurity tolerances, and pharmaceutical processes count on narrow product windows. Trace minerals, dust, and color bodies all disappear in the production sequence. Batching refined salt takes time, energy, and tighter inventory planning, but removes uncertainty from every calculation.

    Crude salt sits opposite: lower cost, basic screening, little to no chemical add-ons. Supply scales up and down quickly with the weather, and large volumes stay ready in open fields or covered barns. Its target audience wants volume, economy, and natural mineral presence. This product works for industries and jobs where small fluxes in composition or appearance don’t threaten finished quality or safety. We keep basic controls in place—batch checks, spot mineral testing, and moisture readings—but don’t chase chemical perfection.

    Refined salt facilities require considerable capital, energy, and ongoing chemical input, all of which push the final price up. Crude salt draws on sun, wind, and mechanical labor. Every new rainstorm, drought, or ocean tide affects what arrives in the silos. Refined plants wash, screen, spin, and sort around the clock; crude operations keep step with natural rhythms and seasonal supply surges.

    Meeting the Demands of Bulk Users

    Decades spent coordinating with procurement managers, plant operators, livestock experts, and municipal buyers have given us a front-row seat to how different customers value crude salt. Price per ton stands out above everything. Seasonal buyers chase spot lots at harvest, loading out for road stockpiles before winter storms roll in. Agricultural users contract for steady, repeat deliveries through the grazing season; feed millers blend crude grains into base formulations for mineral mixes. Chemical plants schedule deliveries for high-demand cycles.

    Repeat customers bring running lists: moisture limits, impurities, or particle ranges. Meeting these requests means watching evaporation beds, keeping machinery tuned, and testing output each shift for the elements that matter to every user. Open communication between production staff and buyers finishes the job: feedback, troubleshooting, and the willingness to adapt to shifts in raw input or market needs. Customers with sensitive applications sometimes push us toward semi-washed or screened lots, blending a bit more consistency with the lower cost of bulk, untamed salt.

    We’ve learned that volume, speed, and ability to handle tough, dirty, or unpredictable conditions matter most to heavy users of crude salt. Bulk handling systems, front-end loaders, and railcar setups must keep pace with field operations. Supply assurance matters most in harsh winters, when the yards empty and the weather won’t wait. All packaging stays rough—big bags, bulk hoppers, open trucks—because nobody’s measuring by the teaspoon here. Having experienced hands in the field—drivers, loaders, plant managers—makes a difference in keeping the chain moving.

    Real-World Challenges and How We Respond

    Every salt operation deals with variation. Mineral content can swing during the season; some batches carry more moisture or show more dust than the last. Years of fieldwork have taught us to keep contingency plans and surplus piles ready. Sometimes weather delays harvest, floods interfere, or labor shortages slow things down. Investing in reliable equipment, providing consistent field training, and keeping a close eye on local water chemistry pays dividends.

    Some years bring more regulatory inquiries—a spike in environmental audits, or an uptick in customer labs flagging trace elements. We aim for openness and provide real batch test results, not just best-case numbers. Customers who care about a specific mineral content or maximum moisture get straight answers so they can weigh the trade-offs. Coordination behind the scenes—production, logistics, testing, sales—all feed into finished quality and customer trust. Sometimes this means moving stock from one pond to another, blending piles, or adjusting the production process. Adaptability stands at the center of what makes a salt operation sustainable year after year.

    Keeping Quality in Focus as the Market Evolves

    Crude salt reflects shifts in global supply and demand as well as changes in weather, energy, and even shipping rates. Energy costs spike, and suddenly the gap between crude and refined grades widens. In drought years, farm operators look for cheaper feed inputs. Municipalities adjust de-icing budgets as winters lengthen or contracts grow. As growers, producers, and handlers, we watch these pressures. Some years we see rushes for every available ton; others, stockpiles linger and logistics dominate the conversation. Resilience depends on a willingness to learn from missed projections, invest in field upgrades, and keep an open line to every customer segment.

    Salt remains one of the most ancient, reliable resources on earth, shaping trade, diet, and industry for centuries. Our daily focus on crude salt stands as part of that tradition—providing scale, responsiveness, and functional mineral content for countless industries and users who see value in its natural, less-processed origins. From fields and mines, through machinery and hands-on management, bulk crude salt gets to work in ways refined varieties never will. Every pile speaks to the weather, soil, and geology that formed it, and every delivery stands on the practical experience of people who know their product and respect their customers’ real-world needs.