Description

Pigment Blue 27 is a high-performance, inorganic pigment compound known for its deep, stable blue color. It is valued for its excellent lightfastness, chemical resistance, and cost-effectiveness in demanding industrial applications. This pigment is essential for manufacturers in the coatings, plastics, and printing ink industries seeking durable and vibrant coloration.

Application

• Industrial Coatings and Paints: Used in automotive primers, industrial machinery coatings, and architectural paints for its opacity and weather resistance.
• Plastics and Masterbatch Coloring: Imparts a stable blue hue to polyolefins, PVC, and engineering plastics for consumer goods and construction materials.
• Printing Inks: A key component in offset, gravure, and flexographic inks for packaging and publications.
• Construction Materials: Colors concrete, mortar, and roofing tiles to provide long-lasting, fade-resistant pigmentation.
• Paper Coloring: Employed in the mass coloration of paper and paperboard.
• Artist Colors: Used in the formulation of professional-grade oil, acrylic, and watercolor paints.
• Leather Finishing: Applied in dyes and finishes for leather goods.
• Specialty Applications: Suitable for colored pencils, chalks, and other specialty coloration needs.

Basic Information

Product Name	Pigment Blue 27
CAS No.	12240-15-2
Molecular Formula	Fe7(CN)18(NH3)·xH2O
Molecular Weight	~ (Contact for details)
Synonyms	Ferric Ferrocyanide; Iron Blue; Prussian Blue; Milori Blue; Chinese Blue; Paris Blue; Berlin Blue; Pigment Blue 27; CI 77510
EINECS	235-476-4

Quality Control

Our Pigment Blue 27 is manufactured under a stringent quality management system. Each batch is tested to ensure consistent color strength, particle size distribution, and chemical composition. Certificates of Analysis (COA) detailing purity, heavy metal content, and physical properties 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 strong acids and strong alkalis. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Deep Blue Powder
Identification (IR)	Conforms
Color Strength	100% ± 5% (vs. Standard)
Moisture Content	≤ 5.0%
Water Soluble Matter	≤ 1.0%
Residue on Sieve (325 mesh)	≤ 1.0%
pH Value (10% slurry)	3.0 - 6.0
Heavy Metals (as Pb)	≤ 20 ppm
Arsenic (As)	≤ 3 ppm
Lead (Pb)	≤ 10 ppm

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