CAS · 1308-38-9
Product Overview
Chromium oxide is a high-purity catalysts-auxiliary-agent supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.
Product Specifications
| Appearance | Green powder |
|---|---|
| Assay | 99% min. |
| Water soluble | 0.1% max |
| Chloride | 0.005% max |
| CrO3 | 0.005% max |
| Sulphates | 0.01% max |
| Iron | 0.03% max |
Applications
Chromium oxide is widely used across coatings, ceramics, metallurgy, catalysts, and specialty materials due to its exceptional chemical stability and strong green pigmentation. It serves as a high-performance pigment in paints, inks, plastics, and building materials where long-term color fastness, weather resistance, and heat tolerance are critical. In ceramics and glass, it provides consistent green coloration and acts as an opacifying agent, suitable for tiles, sanitaryware, and decorative glazing. As a polishing abrasive, chromium oxide is applied in precision finishing of metals, gemstones, optics, and cutting tools. In metallurgy, it contributes to the formation of protective films on alloys, improving corrosion and oxidation resistance in high-temperature environments such as aerospace and industrial equipment. Chromium oxide is also used as a catalyst or catalyst support in various chemical reactions, including dehydrogenation, hydrogenation, and organic synthesis processes. Additional applications include advanced refractories, high-performance cements, magnetic materials, and specialty composites where strength and thermal stability are required.
Benefits
Chromium oxide provides a combination of durability, thermal resistance, and chemical inertness that makes it highly reliable for demanding industrial applications. Its strong resistance to UV radiation, moisture, acids, and high temperatures ensures long-lasting color retention when used as a pigment, reducing maintenance costs and improving product lifespans. The material's hardness and fine particle characteristics enable precise, efficient polishing, yielding mirror-like finishes on both metals and optical surfaces. In ceramics and refractories, its stability under extreme heat contributes to deformation resistance, structural integrity, and longevity of components exposed to thermal shock. As a catalyst or support, chromium oxide offers high surface stability, promoting consistent catalytic activity and reducing degradation over time. Its function in protective coatings enhances the corrosion resistance of metals, thereby improving safety, reliability, and service life of equipment in harsh industrial environments. Across all uses, its performance consistency and compatibility with diverse materials make it a cost-effective and versatile industrial additive.
Conclusion
Chromium oxide is a valuable industrial material known for its chemical stability, heat resistance, hardness, and vibrant green pigmentation. Its roles in coatings, ceramics, metallurgy, catalysts, and precision polishing highlight its technological importance in both traditional and advanced manufacturing sectors. The combination of durability, performance consistency, and broad applicability ensures that chromium oxide remains a preferred material for users requiring long-term reliability and high-quality functional or aesthetic results.
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