Explore our globally exported, high-performance chemical offerings, spanning water-soluble trace elements, purified potassium formulations, and specialized salts manufactured under strict international regulatory compliance.
In the rapidly transforming global chemical industry, inorganic nitrates such as Potassium Nitrate ($KNO_3$) and Calcium Nitrate ($Ca(NO_3)_2$) serve as critical pillars across high-tech manufacturing, green energy infrastructure, and precision agriculture. As primary nutrient suppliers and highly efficient thermal transfer media, these chemical compounds have transitioned from bulk agricultural commodities into highly engineered, application-specific materials.
Globally, the push for net-zero carbon targets has accelerated the adoption of concentrated solar power (CSP) technologies. These facilities rely heavily on binary solar salt mixtures—composed typically of 60% sodium nitrate and 40% potassium nitrate—to act as high-capacity thermal energy storage (TES) media. This enables solar power plants to generate dispatchable green electricity even during non-solar hours.
Concurrently, modern agricultural systems facing climate instability and dwindling freshwater resources are moving rapidly toward fertigation. Highly soluble calcium nitrate and potassium nitrate provide chloride-free nitrogen and vital cation nutrients ($Ca^{2+}$ and $K^{+}$) directly to the crop roots. This reduces nutrient runoff, optimizes crop yield under salt stress, and meets stringent import standards of high-value consumer markets like Europe, Japan, and North America.
| Parameter / Compound | Potassium Nitrate ($KNO_3$) | Calcium Nitrate ($Ca(NO_3)_2$) | Key Performance Benefits |
|---|---|---|---|
| Primary Target Industries | Solar CSP Thermal Storage, Optical Glass, Precision Agri | Concrete Setting Acceleration, Wastewater Management, Drip Agri | Chloride-free formulation, rapid solubility, dual-ion delivery |
| Standard Purity Grades | Refined Industrial Grade (>99.8%), Agri-Grade (>99.0%) | Liquid Technical Grade, Anhydrous / Hydrated Crystals | Reduced heavy metals, minimal moisture caking indexes |
| Solubility at 20°C | Approx. 316 g/L | Approx. 1290 g/L (Highly hygroscopic) | Ensures no blockages in high-tech irrigation nozzle arrays |
| Critical Contaminants Checked | Chlorides ($Cl^{-} \le 0.02\%$), Insoluble Matter | Insolubles (≤0.1%), Ammonium Compounds | Protects metals from corrosion at high temperatures |
We optimize custom chemical profiles to meet the precise operational bounds of diverse applications worldwide, from molten storage systems to advanced agricultural setups.
Providing top-tier molten salts for solar power plants and heavy-industry heat recovery configurations.
VIEW MOREUltra-pure potassium nitrate utilized for chemical strengthening baths of mobile screen glass.
VIEW MOREEnhancing efficiency inside heat exchangers and optimization phases for modern chemical processes.
VIEW MOREHigh-purity soluble nitrates delivering nitrogen and calcium/potassium without damaging drip systems.
VIEW MOREAchieving the high-grade performance required by international buyers demands precise chemical synthesis, crystallization control, and advanced chemical refinement pipelines.
The industrial standard for synthetic potassium nitrate relies on the metathesis (double displacement) reaction between potassium chloride ($KCl$) and sodium nitrate ($NaNO_3$). The chemical equilibrium is driven by manipulating temperature-dependent solubility differentials:
NaNO3 (aq) + KCl (aq) ↔ KNO3 (aq) + NaCl (aq)
Under high temperatures, sodium chloride ($NaCl$) precipitates first and is removed, after which the solution is cooled down. Potassium nitrate, showing steep solubility decline at lower temperatures, crystallizes out. Our factory uses proprietary fractional crystallization loops to bring the residual chloride level down to less than 100 ppm, preventing corrosion in concentrated solar power (CSP) and optical glass manufacturing environments.
For high-purity calcium nitrate production, we utilize the reaction of calcium carbonate ($CaCO_3$, high-grade limestone) with synthetic nitric acid ($HNO_3$):
CaCO3 (s) + 2HNO3 (aq) → Ca(NO3)2 (aq) + CO2 (g) + H2O (l)
To prevent caking and ensure absolute physical stability for shipping, the resulting solution undergoes filtration, neutralization, concentration, and prilling. Through this process, we control the water of crystallization, producing either the tetrahydrate form or specialized calcium ammonium nitrate double salts ($5Ca(NO_3)_2 \cdot NH_4NO_3 \cdot 10H_2O$) to minimize water absorption during transport.
Browse our primary manufacturing categories tailored for high-demand processing plants and energy generation stations.
Pure salts including potassium, sodium, and calcium formulations for thermal storage and chemical processing.
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Water-soluble macro and micro-nutrients formulated for quick assimilation and high fertigation efficiency.
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Industrial-grade co-products optimized for chemical compounding and wastewater treatment processes.
View MoreDriven since 2000, we have been committed to the entrepreneurial spirit and passion for innovation. Our team takes pride in delivering dependable products and services with a quality distinction in thermal energy storage & water-soluble fertilizer industries globally.
We operate one of China's most advanced chemical manufacturing bases, integrating raw material synthesis, testing labs, and high-efficiency packaging lines. Over the past decade, we have established our presence across more than 40 countries, providing reliable support to industrial users and agricultural distributors alike.
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As the world's leading hub for nitrate manufacturing, China's production capacity is supported by robust supply chains, raw material availability, and logistical advantages.
Our plant in Shanxi Province sits at the center of China’s synthetic nitrogen industry. Shanxi's developed coal-gasification structures yield reliable supplies of synthetic ammonia and nitric acid, the primary inputs for calcium and potassium nitrates. This eliminates long-distance transportation of hazardous precursors, lowering production costs and protecting our supply chain from volatility.
With a total annual output of 600,000 tons of molten salts and technical-grade nitrates, our facility can accommodate large-scale international purchase agreements. We maintain buffer stocks of key chemical grades to fulfill urgent contract requests, shielding our global partners from local supply pinches or energy cost spikes.
Our manufacturing facility is linked via dedicated rail corridors and express highways to major northern shipping ports, primarily the Port of Tianjin. This allows for rapid container load-out and dry-bulk shipping, ensuring prompt delivery to key maritime trade routes.
Our integration, experience, and scale allow us to maintain consistent product quality and service reliability.
Integrated experience in handling international maritime export regulations and documentation for smooth customs clearance.
An annual output of 600,000 tons of molten salts and nitrates ensures secure supply volumes for long-term contract partners.
Experienced engineering and technical support teams are available for product customization and application consulting.
A broad product catalog ($KNO_3$, $NaNO_3$, $Ca(NO_3)_2$) allows us to supply agricultural and industrial buyers from a single point of origin.
Exporting chemicals globally requires meeting specific local safety regulations, environmental standards, and quality certifications. We focus on maintaining complete compliance in every market we serve.
All shipments destined for Europe comply with EU REACH registration guidelines. We also supply complete Globally Harmonized System (GHS) compliant Safety Data Sheets (SDS) and labeling in local languages, detailing correct handling, toxicology profiles, and environmental precautions.
Both calcium nitrate and potassium nitrate are naturally hygroscopic. To maintain product flowability after transit across oceans, we use optimized organic anti-caking additives and multi-layer moisture-barrier packaging (PP/PE bags, laminated bulk bags) that prevent moisture absorption under varying humidity levels.
Stay informed on the latest developments in concentrated solar energy, molten salt thermal storage, and high-efficiency agricultural practices.
Recent thermal storage test trials demonstrate that high-purity potassium nitrate enables operation at higher temperatures, improving turbine efficiency.
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Concentrated solar power plants convert solar energy to electricity. The technology relies on molten salt storage systems to deliver baseline energy.
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Molten salt energy storage has emerged as a promising solution for enhancing the efficiency of industrial steam, heating, and coal conversion systems globally.
view moreFind answers to common technical, logistical, and commercial inquiries about our potassium nitrate and calcium nitrate products.
Our solar-grade potassium nitrate ($KNO_3$) is manufactured with a strict chloride ($Cl^{-}$) limit of ≤0.02% (200 ppm), with premium runs hitting ≤0.01% (100 ppm). Minimizing chloride levels is critical to prevent pitting corrosion in stainless steel storage tanks and piping at temperatures up to 565°C.
We offer calcium nitrate as a specialized calcium ammonium nitrate double salt, which has lower hygroscopicity than pure anhydrous calcium nitrate. In addition, we apply environmental conditioning prior to packing and use heat-sealed, multi-layer PE bags placed in heavy-duty bulk bags with internal vapor barriers.
Yes, Shanxi Vojin New Materials maintains complete REACH registration compliance for our primary exports. We provide all necessary OR (Only Representative) documentation and supply GHS-compliant Safety Data Sheets (SDS) for all European shipments.
Standard product configurations are typically dispatched from our factory within 14 to 21 days of order confirmation. For custom specifications, sizing, or specialized packaging, lead times range from 25 to 35 days, depending on production scheduling and port availability.
Review our second grouping of specialty chemical solutions, containing process-optimized nitrites, industrial-grade carbonates, and refined phosphate options.
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