Description

Hematite, Chromium Green Black CAS NO 68909-79-5 is a high-performance, inorganic mixed metal oxide pigment renowned for its exceptional color stability and durability. This product is engineered to deliver consistent, deep green-black hues that are resistant to heat, light, and chemical exposure, making it a critical component for demanding industrial applications. It is primarily sought after by manufacturers in the coatings, plastics, ceramics, and construction materials sectors who require reliable, long-lasting coloration.

Application

• Industrial Coatings and Paints: Used in high-performance architectural, automotive, and industrial coatings for its excellent weather resistance and UV stability.
• Plastics and Masterbatches: Provides heat-stable coloration for engineering plastics, PVC, polyolefins, and synthetic fibers.
• Construction Materials: An essential pigment for coloring concrete, paving stones, roofing tiles, and other cementitious products.
• Ceramics and Glass: Imparts stable green-black colors in ceramic glazes, porcelain, and specialty glass.
• Printing Inks: Employed in specialty and security inks where chemical and fade resistance are paramount.
• Artists' Colors: Used in the formulation of high-quality, permanent artists' paints and pigments.

Basic Information

Product Name	Hematite, Chromium Green Black
CAS No.	68909-79-5
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Chromium Green Black Spinel; C.I. Pigment Green 17; Iron Chromite Black; Chromium Iron Oxide Black; Chrome Iron Black; Mixed Metal Oxide Pigment Green Black; (Fe,Cr)₂O₃; Chromium Hematite
EINECS	Contact for details

Quality Control

Our Hematite, Chromium Green Black is manufactured under a strict quality management system to ensure batch-to-batch consistency and performance. Quality parameters including color strength, particle size distribution, chemical composition, and impurity levels are rigorously tested. A Certificate of Analysis (COA) documenting these specifications is provided with every shipment to guarantee compliance with your technical requirements.

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.

Specification

Item	Specification
Appearance	Fine Green-Black Powder
Color Index	Pigment Green 17
Particle Size (D50)	Contact for details
Oil Absorption	Contact for details
pH (10% Slurry)	6.0 - 8.0
Moisture Content	≤ 1.0 %
Ignition Loss	≤ 2.0 %
Water Soluble Salts	≤ 0.5 %
Heavy Metals (as Pb)	≤ 50 ppm

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