Description

Zinc Iron Chromite Brown Spinel is a high-performance, inorganic mixed metal oxide pigment. This compound is valued for its exceptional thermal stability, chemical inertness, and consistent brown coloration. It is primarily utilized in industries requiring durable, high-temperature resistant pigments for ceramics, plastics, and coatings. The product is supplied under strict quality control to ensure batch-to-batch consistency for demanding industrial applications.

Application

• Ceramic Glazes and Bodies: Imparts stable brown hues in sanitaryware, tiles, and tableware fired at high temperatures.
• Plastics and Masterbatches: Used as a heat-stable colorant for engineering plastics and fibers.
• High-Temperature Coatings: Provides durable color in industrial and automotive coatings exposed to heat and weathering.
• Construction Materials: Colors concrete, mortar, and paving stones with excellent UV and weather fastness.
• Specialty Glass: Acts as a coloring agent in certain glass formulations.
• Artists' Colors: Used in high-quality paints and pigments for its permanence and color strength.

Basic Information

Product Name	Zinc Iron Chromite Brown Spinel
CAS No.	68186-88-9
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Zinc Ferrite Chromite Brown; C.I. Pigment Brown 29; Iron Zinc Chromite Spinel; Zinc Iron Chromium Oxide; Brown Spinel Pigment; ZFCH Brown; Chromite Brown Spinel; 68186-88-9
EINECS	Contact for details

Quality Control

Our Zinc Iron Chromite Brown Spinel is manufactured under a quality management system. Each batch undergoes rigorous testing for key parameters including color value, particle size distribution, chemical composition, and thermal stability to ensure it meets stringent industry specifications. Certificates of Analysis (COA) documenting these results 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. The container must be kept tightly sealed to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	Fine Brown Powder
Color Value (L*, a*, b*)	Per customer standard
Particle Size (D50)	< 5 µm (typical)
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.