Description

Manganese Ferrite Black Spinel is a high-performance, inorganic black pigment and functional ceramic material with a stable spinel crystal structure. This compound is valued for its excellent thermal stability, chemical inertness, and deep, durable black coloration, making it a critical component in demanding industrial applications. It is primarily utilized by manufacturers in the ceramics, electronics, and coatings industries seeking consistent quality and reliable performance in high-temperature environments.

Application

• Ceramic Pigments: Primary use as a high-temperature stable black colorant in glazes, porcelain, and sanitaryware.
• Functional Ceramics: Key material in the production of ferrite cores for electronics, including inductors and transformers.
• Plastics and Masterbatch: Provides UV-stable and heat-resistant black coloring for engineering plastics and fibers.
• Specialty Coatings: Used in high-performance paints, coatings, and inks requiring chemical resistance and opacity.
• Construction Materials: Incorporated into concrete, tiles, and bricks for permanent coloration.
• Magnetic Applications: Serves as a component in soft magnetic composites and recording media.
• Refractory Materials: Added to refractories to modify properties and enhance durability.
• Cosmetic Pigments: Used in specific cosmetic formulations where inorganic colorants are specified.

Basic Information

Product Name	Manganese Ferrite Black Spinel
CAS No.	68186-94-7
Molecular Formula	MnFe₂O₄ (Typical)
Molecular Weight	230.63 g/mol (for MnFe₂O₄)
Synonyms	Manganese Iron Oxide; Manganese Ferrite; Black Spinel Pigment; CI Pigment Black 26; Manganese Iron Spinel; Ferrosoferric Manganate; Manganese Diferrite; MnFe2O4
EINECS	Contact for details

Quality Control

Our Manganese Ferrite Black Spinel is manufactured under a strict quality management system to ensure batch-to-batch consistency for industrial applications. Quality is verified through comprehensive testing of key parameters including chemical composition, particle size distribution, color strength, and thermal stability. While produced to standard industrial grade specifications, compliance with relevant standards such as ISO 9001 is maintained. A Certificate of Analysis (COA) documenting purity and physical properties is available for every shipment 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 the container tightly sealed to minimize exposure to atmospheric moisture and contaminants. Separate from incompatible materials such as strong acids.

Specification

Item	Specification
Appearance	Fine Black Powder
Identification (XRD)	Conforms to Spinel Structure
Assay (as MnFe₂O₄)	≥ 96.0 %
Particle Size (D50)	1.0 - 3.0 µm
Oil Absorption	15 - 25 g/100g
pH (10% Slurry)	6.0 - 8.0
Loss on Drying (105°C)	≤ 1.0 %
Ignition Loss (1000°C)	≤ 2.0 %
Heavy Metals (as Pb)	≤ 50 ppm

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