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Pigment blue 28-Cobalt Aluminate Blue Spinel-for plastic, coatings, ceramic and inks

Categories	Complex Inorganic Pigment
Brand	Fineland Chem Pigment Suplier Manufacturing
Product Name	Cobalt Blue
Color Index	Pigment Blue 28
CAS No	1345-16-0
Chemical Composition	Co/Al Oxide
Update Time	Nov 15,2024

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Detail Information

characteristic

Pigment Blue 28 Description

Advantage:

High performance inorganic blue pigment with very good light fastness, weather resistance and high opacity. Outstanding chemical stability, outdoor durability, moderate NIR reflectance, no warping or shrinkage. It can be suitable for the requirements of military, aerospace and architectural industries.

Physical Properties

Test Item	Specification
Cont of water % ≤	2.5
Soluble matter in water %≤	2.0
Oil absorption %	45±5
Water permeate (grade)	5
Oil permeate (grade)	5
Conductivity (µm/cm)≤	250
Quality of total (ppm)	200
Residues passing through(100mesh)% ≤	5.0
Ph value	7～9

Fastness Properties (5=excellent, 1=poor)

_{Acid Resistance}	5	_{Light Fastness (8=best)}	8
_{Alkali Resistance}	5	_{Bleeding Resistance}	5
_{Alcohol Resistance}	5	Heat Resistance(℃)	1200
_{Ester Resistance}	5	Ketone Resistance	5
Benzene Resistance	5	Migration Resistance	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.