Iron sulfide granules are highly efficient sulfur-enhancing agents in metallurgical casting and are also key raw materials in new energy batteries and chemical industries.
We offer high-purity iron sulfide granules with various sulfur contents and particle sizes, and support customization according to your production process requirements. Welcome to contact us for samples and customized solutions.
Precise and stable composition
Uniform and controllable particle size
Professional application support
Flexible customized production
Safe and professional packaging
Complete quality reports
Foundry Metallurgy Sulfur Enhancement: As a highly efficient sulfur-enhancing agent, it is used in gray cast iron smelting, significantly increasing graphite nuclei and refining grains, thereby improving the inoculation effect, mechanical properties, and machinability of cast iron.
New Energy Battery Materials: High-purity iron sulfide can be used as a cathode material for lithium-ion batteries or thermal batteries, attracting much attention due to its high theoretical capacity and abundant reserves.
Chemical Raw Material Preparation: It is an important industrial raw material for the traditional preparation of sulfuric acid and sulfur dioxide, and can also be used as a basic raw material for the synthesis of other sulfur-containing compounds.
Emerging Functional Materials: Due to their unique optoelectronic properties, these materials are considered promising for research and development in cutting-edge fields such as solar cells and photodetectors.
Q1: What is the optimal range for sulfur content when used in casting?
A1: Based on research and industry practice, a sulfur content of 0.08%-0.12% in gray cast iron is generally beneficial, optimizing inoculation and graphite morphology. If the sulfur content is too low (e.g., <0.05%), sulfur enrichment treatment is recommended.
Q2: How can I store iron sulfide to ensure it does not deteriorate?
A2: This product is chemically stable at room temperature. It is recommended to store it in a well-ventilated, dry warehouse, avoiding moisture. Under proper storage conditions, the product will maintain stable performance.
Q3: How do I select the appropriate model based on the composition when purchasing?
A3: We offer models with different sulfur contents, such as 25-30% or higher. You can calculate the required amount to add based on the final sulfur content requirements of the target molten steel or iron.
Q4: Besides sulfur enrichment, does the product have other functions in casting?
A4: Yes. In addition to precise sulfur enrichment, it can also refine eutectic clusters, shortening the graphite morphology and blunting its ends, thereby significantly improving the strength of cast iron and its machinability.
Each batch is supplied with:
Certificate of Analysis (COA)
Technical Data Sheet (TDS)
Material Safety Data Sheet (MSDS)
Third-party testing reports available upon request
We focus on the production and R&D of high-quality metal sulfides, providing not only standardized FeS2 particles with precise composition and uniform particle size, but also in-depth research into their practical applications in metallurgy, new energy, and other fields. We can provide professional product selection advice and technical support based on your specific process requirements, ensuring the stability and efficiency of your production process from the source. Choosing us means choosing a reliable, professional, and trustworthy long-term materials partner.
Molecular formula: FeS₂
Molecular weight: 119.98 g/mol
Appearance: Tawny
Crystal structure: Cubic, Pyrite type
Inner Packaging: Double-layer sealed plastic bags or aluminum foil bags for moisture and leakage protection.
Outer Packaging: Iron drum or fiber drum, depending on the weight, with reinforced sealed lid.
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