Description

Chromium Cobalt Iron Oxide is a high-performance, mixed metal oxide pigment and functional material. This compound is valued for its exceptional thermal stability, chemical inertness, and distinctive coloration properties, making it a critical component in demanding industrial applications. It is primarily utilized by manufacturers in the ceramics, specialty coatings, and advanced materials sectors seeking durable and reliable inorganic colorants.

Application

• Ceramic Pigments and Glazes: Imparts stable, high-temperature resistant colors (typically black, brown, or green hues) for tiles, sanitaryware, and artistic ceramics.
• High-Performance Coatings: Used in heat-resistant paints, industrial coatings, and automotive finishes where UV and thermal stability are paramount.
• Plastics and Masterbatch Coloring: Provides opaque, weather-fast coloration for engineering plastics and synthetic fibers.
• Magnetic Materials: Serves as a precursor or component in the synthesis of certain ferrite materials for electronic applications.
• Construction Materials: Incorporated into colored concrete, paving stones, and roofing granules for long-lasting color.
• Specialty Inks: Used in security inks and other specialty printing applications requiring chemical resistance.

Basic Information

Product Name	Chromium Cobalt Iron Oxide
CAS No.	63497-09-6
Molecular Formula	Typically represented as (Co,Fe,Cr)₃O₄ or a blend of CoFe₂O₄ and CoCr₂O₄
Molecular Weight	Variable (Contact for details)
Synonyms	Cobalt Chromium Iron Oxide; CI Pigment Black 28; Cobalt Ferrite Chromite; Mixed Cobalt-Iron-Chromium Oxide; Spinel-type Pigment (Co,Fe,Cr); Inorganic Mixed Metal Oxide Pigment; Ceramic Black Pigment; Heat-resistant Black Pigment
EINECS	Contact for details

Quality Control

Our Chromium Cobalt Iron Oxide is manufactured under a stringent quality management system. Each batch undergoes rigorous testing for critical parameters including color value (L*a*b*), particle size distribution, chemical composition, and purity to ensure consistent performance and batch-to-batch uniformity. Certificates of Analysis (COA) documenting full specifications are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong acids. The material is generally stable under these conditions.

Specification

Item	Specification
Appearance	Fine Black/Brown Powder
Identification (XRD)	Complies
Assay (as Mixed Oxide)	≥ 98.0 %
Particle Size (D50)	0.5 - 2.0 µm
Loss on Drying (105°C)	≤ 1.0 %
Heavy Metals (as Pb)	≤ 50 ppm
Oil Absorption	15 - 25 g/100g
pH (10% Slurry)	6.0 - 8.0

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.