Description

Iron Cobalt Chromite Black Spinel is a high-performance, inorganic mixed metal oxide pigment. This compound is valued for its exceptional thermal stability, chemical inertness, and deep, durable black coloration. It is a critical material for manufacturers requiring consistent, high-quality pigments for demanding industrial applications. Key industries include ceramics, plastics, coatings, and specialty glass.

Application

• Ceramic Glazes and Bodies: Provides intense, stable black coloration in sanitaryware, tiles, and tableware, even at high firing temperatures.
• Plastics and Masterbatches: Used as a colorant for engineering plastics, films, and fibers, offering excellent dispersion and UV resistance.
• High-Temperature Coatings and Paints: Imparts durable black color in industrial coatings, automotive paints, and coil coatings requiring weatherability.
• Construction Materials: Colors concrete, roofing granules, and paving stones with long-lasting pigmentation.
• Specialty Glass and Enamels: Acts as a coloring agent in glass batches and porcelain enamels for appliances and architectural glass.
• Electronic Ceramics: Used in some ferrite compositions and other electronic components for its magnetic and electrical properties.
• Cosmetic Pigments: Employed in high-grade cosmetic formulations, such as eye makeup, where color purity and safety are paramount.

Basic Information

Product Name	Iron Cobalt Chromite Black Spinel
CAS No.	68186-97-0
Molecular Formula	Co(Fe,Cr)2O4 (typical representation)
Molecular Weight	Contact for details
Synonyms	Cobalt Iron Chromite Black Spinel; Black Spinel Pigment; C.I. Pigment Black 28; Cobalt Chromite Black Spinel; Iron Cobalt Chromium Oxide; Cobalt Ferrite Chromite; Mixed Metal Oxide Black; Inorganic Complex Black Pigment 28
EINECS	Contact for details

Quality Control

Our Iron Cobalt Chromite Black Spinel is manufactured under a stringent quality management system. Every batch undergoes rigorous testing for key parameters including color strength, particle size distribution, chemical composition, and purity to ensure consistent performance and batch-to-batch uniformity. Certificates of Analysis (COA) documenting these specifications are available upon request to support your quality assurance protocols.

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. The product is not hygroscopic under normal conditions but should be protected from prolonged exposure to moisture to maintain optimal handling properties.

Specification

Item	Specification
Appearance	Fine black powder
Color Strength	Standard (vs. reference)
Particle Size (D50)	≤ 2.0 μm
Oil Absorption	15 - 25 g/100g
pH (10% slurry)	6.0 - 8.0
Moisture Content	≤ 0.5%
Ignition Loss (1000°C)	≤ 1.0%
Heavy Metals (as Pb)	≤ 50 ppm
Identification (XRD)	Complies (Spinel structure)

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