Inorganic Pigment Blue 28

Brand	Fineland Chem
Color Index	Pigment Blue 28
Color Index No	77346
CAS No	1345-16-0
EC No	215-610-4
Chemical Group	Cobalt Blue
Chemical Formula	Co-AI-O

Introduction

Pigment Blue 28 is an inorganic cobalt-based pigment valued for its deep blue hue and exceptional durability. As part of the complex inorganic color pigment (CICP) family, it delivers superior performance in demanding applications where color stability and resistance to extreme conditions are critical.

Key Properties:
1.Chemical Composition: Typically composed of cobalt aluminate or cobalt chromate variants.
2.Color Characteristics: Vibrant blue with excellent tinting strength and opacity.

Technical Advantages:
1.Outstanding thermal stability (up to 1000°C+), ideal for high-temperature processes.
2.UV lightfastness and weather resistance for outdoor applications.
3.Chemical inertness against acids, alkalis, and solvents.

Best Sellings

PB28 – ColorCor®1628 ⬇️TDS

Recommended for Plastic,PO,PVC(PVC & PVC Leather cloth),EVA,ABS,PS. Industrial paints,Coatings(Powder/Coil/Architectural),Fluorocarbon coating,Silicon coating,Heat resistance coating,Military camouflage coating etc.Exterior building products.Glass printing ink applications.Ceramic applications.

Physical Properties

Test Item	Specification
Density (g/cm3 )	4.2
Water soluble matter (%)	≤1.0
Oil Absorption(g/100g)	16-26
PH Value	7.5-9.5
Mositure	≤1.0
Total impurities(ppm)	≤600

Fastness Properties (5=excellent, 1=poor) | Light Fastness (8=excellent, 1=poor)

Heat Resistance (℃)	＜800	Alkali Resistance (1-5)	5
Light Resistance (Full Shade, 1-8)	8	Migration Resistance(1-5)	5
Light (Reduced tinting, 1-8)	8	Ethyl Acetate (1-5)	5
Weather Resistance (1-5)	5	Ethanol (1-5)	5
Acid Resistance (1-5)	5	MEK (1-5)	5

Application

Pigment Blue 28 application:
Exterior coatings, fluorocarbon coatings, industrial coatings, aerospace and marine coatings, camouflage coatings, coil coatings, rock frescos coating, powder coatings, solvent based paints, water-based paints, architectural coating, stoving coating, UV coatings, high-temperature paints, exhaust part, military topcoat, engineering plastics, master batch, polyolefins, PS, ABS, engineering polymers, PVC, silicones and rubber, technology glasses, colored glasses, glass lamps, architectural ceramics, ceramic works, engineering ceramics, industrial enamels, architectural enamelware, colored inks, glass ink and paint, ceramic ink and paint, watermark inks, concave-convex inks, colored sand, concrete and other building materials.

Application

Printing Ink: Discover high-performance ink pigments for various printing technologies including water-based, solvent-based, offset, inkjet, UV curing, and decorative applications. More Details

Paint and Coating: Explore a wide range of coating pigments tailored for paints, oils, automotive finishes, industrial applications, concrete, cement, and ceramics. More Details

Plastic: Browse a comprehensive selection of plastic pigments designed for PE, PVC, EVA, rubber, and a variety of engineering plastics. More Details

Special Applications: Find specialized pigments offering unique effects and functionalities for textiles, resins, glazes, metallic finishes, fluorescence, and anti-corrosion needs. More Details

Package and Delivery

Advantages

1. Excellent blue vividness
Pigment Blue 28—Cobalt Aluminate Blue Spinel, presents a deep and vivid blue. Its excellent color concentration and purity provide unparalleled blue effects for plastics, coatings, ceramics and inks, ensuring that every layer of color is stunning.

2. Excellent lightfastness
The dye has excellent lightfastness and will not fade even after long exposure to strong light. The lightfastness of Pigment Blue 28 makes it very suitable for applications that require long-term color stability, such as outdoor coatings and plastic products in high-light environments.

3. Excellent chemical resistance
Pigment Blue 28 exhibits excellent chemical resistance and can resist corrosion from various acids, bases, solvents and high temperatures. Its chemical resistance ensures the durability and stability of coatings, ceramics and inks in various environments.

4. Highly compatible, multi-purpose applications
Whether it is plastics, coatings, ceramics or inks, Pigment Blue 28 can provide uniform and stable color effects. Its excellent dispersibility and compatibility make it suitable for a variety of materials and application scenarios, providing a wide range of possibilities for your product design.

5. Environmentally friendly and safe, in compliance with standards
Pigment Blue 28 complies with international environmental standards, does not contain harmful substances, and is safe and reliable. Its environmentally friendly characteristics not only ensure excellent color performance, but also support sustainable development, providing green and safe color solutions for your various applications.