Cobalt Aluminate Blue Inorganic Pigment

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Technical Data Sheet
Chemical Composition
Color Index Pigment Blue 28
C.I.NO. 77346
Crystal type: Spinel
Physical Properties
Physical Form Blue Powder
Heat Resistance(℃) 1000
Mean Particle size (um) 1.0 max
Specific Surface(㎡/g) 50
PH Value 7.4
Oil Absorption(ml/100g) 28
Fastness Properties
Dispersibility Excellent
Light Fastness 8
Weather Resistance 5
Acid Resistance 5
Alkali Resistance 5
Alcohol Resistance 5
Ester Resistance 5
Benzene Resistance 5
Performance Characteristics Applications
Excellent heat resistance
Easy to disperse
Excellent Chemical resistance
Excellent light fastness and outdoor durability
Excellent hiding power
High tinting strength
Excellent color clarity
Well-suited for major solid and flexible PVC
Engineering plastics
Solid plastics for outside manufacturing
Color master batch
Quartz granules
High-performance industrial coating
Coil & Extrusion coating
Powder coating
High-temperature resistance paints
Traffic paints manufacturing
Outside architectural coating
Automobile paints  

Light Fastness 8 = Excellent
Resistance 5= Excellent

As a specialized cobalt aluminate blue inorganic pigment supplier based in China, we not only provide inorganic pigment, but also offer fluorescent pigment, organic pigment, dye, fluorescent brightener, and much more.

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