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

    • Product Name Calcium
    • Alias calcium
    • Einecs 231-179-5
    • 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

    812139

    name Calcium
    symbol Ca
    appearance dull gray, metallic
    density 1.54 g/cm3
    melting_point 842 °C
    boiling_point 1484 °C
    block s-block
    standard_state solid
    discovered_by Humphry Davy

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

    Packing & Storage
    Packing Calcium is packaged in a 500g sealed plastic container with a secure screw cap, clearly labeled with safety and handling instructions.
    Shipping **Shipping Description for Calcium:** Calcium metal should be shipped in airtight, moisture-proof containers, typically under oil or inert gas to prevent oxidation and reaction with moisture. It must be labeled as a hazardous material, handled with care, and protected from water, acids, and heat sources during transport as per regulatory guidelines.
    Storage Calcium should be stored in a cool, dry place, away from moisture and incompatible substances such as acids and strong oxidizers. It is usually kept in tightly sealed containers, often under a layer of oil or inert atmosphere (like argon) to prevent reaction with air or water. Proper labeling and secure storage are essential to prevent accidental exposure or reaction.
    Application of Calcium

    Applications of Calcium in Industrial Manufacturing

    As a specialized producer of high-purity calcium raw materials, we support a range of demanding industries that set global benchmarks for quality and consistency. This section outlines core downstream uses where our calcium material plays an irreplaceable functional role, with detailed integration methods, compliance expectations, application-adjusted dosage guidance, and finished goods directly relying on precise calcium application.

    1. Food and Beverage Fortification

    Food and beverage processors utilize our calcium products in a variety of fortified consumables, optimizing dietary mineral content in compliance with regional and international health policies. Calcium serves both as a nutritive fortifier and a regulated additive, delivering controlled bioavailability without impacting flavor or texture. Manufacturers must ensure ingredients align with GRAS status or equivalent national codes, and optimize dosages to meet label claims for daily value per serving, adapting to product category, serving size, and target demographic.

    Industry compliance standards

    • FAO/WHO Codex Alimentarius standards for food additives (CODEX STAN 192-1995)
    • US FDA 21 CFR 184.1199 (Direct food substances affirmed as generally recognized as safe)
    • EU Regulation (EC) No 1925/2006 on the addition of vitamins and minerals
    • China GB 14880-2012 Food fortification substances guideline

    Typical usage ratio

    • 0.2%–1.8% w/w in dairy, soy milk, and plant-based beverages, depending on daily calcium requirement per serving and fortification level desired
    • Bakery: 0.1–0.5% w/w to achieve specific calcium content and retain dough structure

    Downstream process integration

    • Dry blending with bulk or minor ingredients before hydration in beverage production tanks
    • In-line dosing systems during continuous process for consistent dispersion in pasteurized products
    • Precise addition during flour mixing for baked foods to ensure uniform mineral distribution and regulatory compliance

    Final product types

    • Calcium-fortified milks and yogurt drinks
    • Instant powdered beverage mixes
    • Calcium-enriched breads, biscuits, and breakfast cereals
    • Nutritional dietary supplement tablets and chewables

    2. Pharmaceutical Tablet and Capsule Production

    Pharmaceutical manufacturers select our high-purity calcium compounds for use as both active ingredients in mineral supplements and as excipients. Calcium’s compression characteristics, particle morphology, and controlled impurity profile directly affect tablet hardness, disintegration, bioavailability, and long-term stability. Production must meet strict purity and traceability requirements, necessitating validated supply chain procedures and real-time QC at every stage, from blending to final product packaging.

    Industry compliance standards

    • USP (United States Pharmacopeia) monographs (e.g., Calcium Carbonate USP, Calcium Phosphate USP)
    • EU Pharmacopeia (Ph. Eur.) standards for mineral excipients and actives
    • Good Manufacturing Practice (GMP) guidelines: ICH Q7, FDA 21 CFR Part 210/211
    • FDA GRAS status and labeling mandates for supplement-grade minerals

    Typical usage ratio

    • Active ingredient tablets: 25%–50% w/w depending on desired elemental calcium per unit (e.g., 500mg–1000mg calcium/tablet)
    • Tablet diluent or excipient: 10%–30% w/w based on formulation needs for mechanical binding and volume adjustment

    Downstream process integration

    • Direct addition into high-shear granulation and wet blending mixers for solid dose formation
    • Pre-blending for matrix formation in chewable or effervescent tablet lines
    • Sieved incorporation into capsule filling lines to maintain bulk flow and prevent caking during encapsulation

    Final product types

    • Calcium-only supplement tablets and capsules
    • Multi-mineral and multivitamin formulations
    • Effervescent calcium powder sachets and granules
    • Pediatric syrup and suspension bases (with pre-micronized calcium forms)

    3. PVC and Plastics Stabilizer Systems

    In the plastics industry, especially in PVC manufacturing, calcium-based stabilizers are widely used to replace or reduce heavy metal stabilizers, supporting product safety and regulatory acceptance. This material controls thermal degradation during extrusion, enabling consistent melt viscosity, color retention, and mechanical strength. The precise ratio and feed style are adapted for each resin type, article thickness, and thermal cycle, balancing end-use compliance with mechanical performance and cost efficiency.

    Industry compliance standards

    • EU REACH Annex XVII (restriction on heavy metals in PVC)
    • RoHS Directive 2011/65/EU (lead-, cadmium-free formulation mandates)
    • China GB/T 15558.1-2008 (PVC-U pipe material requirements for potable water)
    • US FDA 21 CFR 177.2600 (if intended for food contact articles)

    Typical usage ratio

    • 2%–7% w/w of total compound, dosage varies with resin type, product thickness, and target end-use certification

    Downstream process integration

    • Addition during dry blend compounding or melt-phase mixing of PVC resin pellets with stabilizer system
    • Inline hopper dosing in twin-screw extrusion for heterogeneous dispersion
    • Direct batch incorporation before calendaring or injection molding cycles

    Final product types

    • Potable water and wastewater PVC-U pipes
    • Window and door profiles
    • Electrical insulation sheaths
    • Rigid and flexible PVC film and sheets

    4. Construction Materials (Cement, Mortar, Plaster)

    The cement, dry mortar, and plasterboard industries utilize calcium-based additives to adjust setting time, porosity, and final compressive strength of building materials. Accurate prescription and mixing guarantee product meeting strict construction codes, especially for pre-cast elements and high-performance ready-mix mortars. Here, additive selection and dosage directly steer curing kinetics, shrinkage rates, and long-term durability, adapting to local water content, sand quality, and climatic exposure demands.

    Industry compliance standards

    • EN 197-1:2011 (cement composition, specification and conformity criteria)
    • ASTM C150/C150M (Standard Specification for Portland Cement)
    • China GB 175-2007 (General cement standard)
    • ISO 679:2009 (Mortar compressive strength test requirements)

    Typical usage ratio

    • 1%–4% w/w of calcium additives in cementitious mix, adjusted for application (bulk cement, self-leveling screeds, fiber-reinforced composites)
    • Mortar formulations: 0.5%–2.5% w/w depending on setting time and required early strength

    Downstream process integration

    • Incorporation during raw cement clinker grinding as functional additive
    • Premixing with sand and admixture components before water addition in mortar plants
    • Continuous dosing with gypsum and retarders in ready-mix concrete batching lines

    Final product types

    • Portland and blended cement
    • Ready-mix and dry-pack mortars
    • Plasterboard, gypsum wall panels
    • Self-leveling floor screeds and grouts

    5. Animal Feed Mineral Premixes

    Feed manufacturers use refined calcium sources to formulate mineral premixes and compound feeds for livestock, poultry, and aquaculture. Controlled calcium content plays a crucial role in bone formation, eggshell quality, and metabolic health. Blending accuracy is vital to comply with animal nutrition codes, avoid over-supplementation, and maintain feed uniformity through storage, handling, and automated high-throughput feed mill processing lines.

    Industry compliance standards

    • EU Regulation (EC) No 1831/2003 (Feed additives authorization and labeling)
    • AACo Feed Ingredient Definitions (AAFCO Official Publication)
    • China NY 525-2021 (Premix feed product standards)
    • ISO 22000:2018 (Feed and food safety management systems)

    Typical usage ratio

    • 1%–4% for mineral premixes (calibrated by species, age group, and feed intake)
    • 0.5%–2% in compound feeds depending on feed base material and regional regulatory limits

    Downstream process integration

    • Precise micro-dosing into premix lines with other trace minerals and vitamins
    • Bulk blending in horizontal mixers during manufactured compound feed production
    • Coating and granule formation for pelleted or extruded feed products

    Final product types

    • Poultry layer and broiler feeds
    • Dairy cattle, swine, and ruminant premixes
    • Aquaculture feeds for tilapia, carp, and shrimp
    • Companion animal mineral supplements
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    Competitive Calcium prices that fit your budget—flexible terms and customized quotes for every order.

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    Certification & Compliance
    More Introduction

    Calcium: Purposeful Performance from Raw Material to Application

    Real Calcium for Real Results

    In our chemical production halls, Calcium holds a core position—not just for its popularity, but because its physical and chemical properties solve real industrial challenges. We’ve shaped our entire Calcium model line to match practical needs on the ground, responding to feedback from processing plant engineers, lab managers, and procurement specialists who expect consistency and clarity in every shipment.

    Understanding the Product

    Our Calcium surfaces as both solid granules and fine powder. The most requested model remains Ca-995, a benchmark grade defined by 99.5% minimum elemental content. This gives reassurance across sectors: glassworks demanding purity to avoid unwanted color, metallurgy shops avoiding performance dips due to contaminant elements, and plastics manufacturers safeguarding batch integrity. Particle size matters as much as purity, so our operations team maintains a keen eye on D50 values—down to low micron levels—ensuring reactivity or blending ease depending on the customer’s end-use.

    From Quarry to Chemical: Raw Material Impact

    We have long-standing relationships with quarry operators who understand what trace elements can do to finished Calcium. This upstream connection means our Calcium batches account for magnesium, iron, and silicon impurity loads. During refining, we select kilning temperatures and timeframes to control grain shape and surface area, watching closely for signs of unwanted hydration or dusting. Those details transform limestone, a basic earth material, into calcium for critical duties.

    Routing Calcium to Purpose

    Glass makers call out for Calcium that won’t cloud silica melts or introduce bubbles. Ceramic producers put ours to the test in glazes—they can’t afford unexpected fluxing or color changes. Steelmakers depend on our Calcium to manage sulphur in their melts, taking advantage of high surface area powders for faster reactions and cleaner slag. Agricultural blends need granules that blend smoothly but don’t break down during transit. Water treatment operators are alert for excessive dust or variable dissolution rates. Satisfying each comes from experience shaping supply batches, not guessing needs from a catalog.

    Specification, Proven by Feedback

    Besides guaranteed assays, we share actual third-party analysis to support customer spec sheets. For those using Calcium in reaction-based processes—phosphates, silicones, or pesticides—we show how our batch-to-batch consistency prevents surprises. Techs in compounding lines contact us if caking or flowability disrupts their output. Instead of generic solutions, we tweak our hydration control and screening levels based on these exact cases. We’ve cut down on process downtime and waste complaints as a direct result.

    What Sets Our Calcium Apart

    Competitors may lean on generalized claims, but we stand behind product experience. Many Calcium products in the market carry more heavy metal residue or unpredictable grain mix, the direct outcome of limited refining control. Others have excess dust or moisture. Our Calcium undergoes continuous in-process checks before packaging—lab staff clear shipments only after microscope checking for powder fines and x-ray scanning for unexpected mineral inclusions. This, paired with heavy investment in automated bagging, led to complaints dropping and client repeat orders rising.

    Practical Field Knowledge

    Bulk customers worry about clumping in high-humidity climates, so our operations switched to moisture-locked bags two years ago—and tracked product losses right down. Plant operators once flagged slow dissolution in cold process water; our team responded by lowering median particle size and retesting. Facility dust extraction system designers requested coarser product for easy handling, and our packing team started offering a larger sieve range as a result. Packing line managers need Calcium that won’t block vibratory feeders, so our powder passes anti-cake tests every batch. These are not abstract improvements but grounded changes based on close site visits and open feedback channels.

    Safe Storage and Handling: Beyond Labels

    We handle Calcium in high-volume silos, mixing directly into batch mixers, and running filling lines daily. Fine powder can set off dust alarms and irritate operators’ eyes and skin; we enforce both dust-mitigation and proper PPE on the floor, as must our downstream customers. We’ve trialed delivery in reusable bulk containers for larger users and improved seam sealing to prevent ambient moisture ingress over long road hauls. Trucking crews have shared which bagging formats cut unload time and spillage. These details never appear on standard product data sheets, but they matter day to day.

    Model Evolution: Learning from Customer Processes

    Back in our earlier production cycles, Calcium meant one or two grades aimed at “average” use. That changed as specialty applications emerged. Phosphate fertilizer makers increased demand for distinct granulation curves; paper manufacturers looked for lower metal ions for high-brightness products. We worked directly with two glassworks to shift the Ca-995’s impurity ceiling to below 0.2% for iron, and tracked resulting color improvements and downstream yields. Metallochemical users taught us to triple-rinse batches intended for reaction tanks, slashing incompatible residues and expanding our reliability in their market.

    Comparisons with Other Calcium Products

    On paper, Calcium grades might seem interchangeable—just numbers and purity guarantees. Hands-on, users notice subtle but crucial differences. Some brands cut corners with lower kiln temperatures, which leaves more non-reacted material or makes grain harder to dissolve. Others rely on bulk blending after quarrying, leading to uneven distribution of critical impurities. Our line-reported inspections, laser particle sizing, and real-user batch trials set our Calcium apart.

    Environmental compliance has shifted customer expectations—especially among water purification or feed supplement companies. Our Ca products never feature recycled or reclaimed material to avoid unwanted contaminants. Waste handling for our own plant includes closed-loop dust recapture and regular third-party soil and water monitoring, which adds reassurance for regulatory-driven buyers.

    Spotting and Solving Common Issues

    Some customers have faced recurring caking issues in Calcium before approaching our technical team. Lab checks revealed uncontrolled water content from previous vendors. By controlling our drying phase tightly and using advanced in-bag dessicants where applicably agreed, we’ve minimized caking and improved usability. Another pain point comes from inconsistent grain size: it leads to unpredictable dissolution rates and dosing errors in continuous processes. Our technicians monitor every mill run, adjusting screens and documenting each lot so that each bag performs the same from first to last scoop.

    Application-Driven Adjustments

    Customers involved with food-grade applications put stricter microbiological controls in play. We run swab and shelf-life tests, working with external labs to make sure requirements are met, with certificates attached to shipment. Those blending Calcium into pharmaceutical or animal feed products need documentation beyond a simple assay—these are drawn up individually, reflecting actual batch analysis and not theoretical values. This supports regulatory and customer audits without back-and-forth delays.

    Manufacturers developing newer product forms—like microencapsulated Calcium for dietary supplements—need both the highest purity and predictable flow. Our engineering staff collaborate with these teams, providing trial lots and altering sieve ranges, even exploring new anti-caking treatments that avoid allergenic compounds or unapproved binders.

    Production Investments Based on Real-World Needs

    Instead of investing in generic process upgrades, we focus on updates where clients have pointed out gaps. Our mill automation improved powder consistency, while new filter units on kilns dropped iron and magnesium impurity content to sub-0.1% targets for electronics and precision glass ingots. Multistage packaging lines resulted from too many complaints about bag breakage and shipment losses. The fact that insured product in transit claims dropped 80% during the past year shows these upgrades translate into real field reliability.

    Alongside these plant improvements, our laboratory developed parallel microbatch streams for R&D trials. Suppliers entering new markets—for example, biodegradable plastics or battery chemistries—use these streams to test how our Calcium models perform without the risk or waste of bulk shipments. Feedback led us to tune calcination protocols and batch fractionation for optimal conversion in their downstream processes.

    Quality Control in Practice

    In the daily rhythm of manufacturing, each Calcium shipment clears a documented review stage: visual exam, chemical spot-check, impurity baseline. Customers with complex mixing lines often send small samples of their own blend to our lab, giving insight into how specific batches interact. If a user flags a dusting concern or reports filter clogging, our technical group investigates the lot, replicating their handling and adjusting our next run based on learnings. This loop of production–testing–feedback makes quality control a walking process, not a paper checklist.

    Embracing Change Through Customer Collaboration

    Long-running customers provide frank insights. One cement plant flagged that embedded iron specks impacted final color, so we reworked our white Calcium line, sorting out high-iron fractions and documenting color variance. Water bottlers needed food-contact assurances, so our team worked months to pass the requisite audits and third-party certification. As customers branch into new geographies, they often ask for lower dust emissions to meet local rules. In those cases, we’ve invested in refining containment and packaging—earning regional compliance and supporting future shipments with faster onboarding.

    Forward Thinking: Sustainability and Responsibility

    Operating as a manufacturer, the “cost of doing business” includes environmental and community responsibilities, not just what ends up in the bag. All water used during Calcium processing undergoes post-processing to remove particulate and chemical residue. We set up a waste recapture loop that reprocesses fines otherwise headed for landfill, focusing not just on waste reduction but on lower plant costs. Air handling units filter and monitor for emissions stricter than mandatory limits, and our audit logs stay open for client and governmental review. These efforts have returned not only improved compliance but greater trust among our clients.

    How User Experience Has Shaped Us

    Over years of production and direct field partnership, it’s field data—not sales projections—that shapes our Calcium range. Clients in paint dispersion lines prefer uniform, dust-controlled powder, guiding us to invest in precision filling systems. Fertilizer blenders report on field durability, which pushed our team to develop a more impact-resistant pellet. Glass batchers pushed for lower transition element content, and our process chemists met that demand with more selective quarrying and purification.

    Looking Beyond the Product

    Supplying Calcium as a manufacturer means standing beside end users—troubleshooting, adapting, and returning lessons upstream. From raw selection and live plant monitoring to shipment flexibility and documentation, each phase reflects customer dialogue. This goes beyond paperwork; it's long-weekend plant visits, early-morning technical calls, and continuous retraining. As production methods, regulations, and market needs shift, our ability to listen and adapt gives partners a steady foundation in a shifting industry.

    Why Authentic Manufacturing Matters

    With experience rooted in thousands of tons delivered and thousands of technical conversations, we know pure spec compliance isn’t enough. Usability in the real world—ranging from batch mix time, dust control, contamination avoidance, and downstream performance—matters most. Product adjustments, process tweaks, and specification reviews stem from operator feedback and customer site visits, not only lab theory. This practical approach advances our offering, creates long-term partnerships, and leads to a Calcium line that supports today’s manufacturing and tomorrow’s innovation.