Blue Series
Pigment Blue 28 (Cobalt Aluminate Blue Spinel) ： is a Red Shade Cobalt Aluminate Blue with excellent hiding , color clarity and high tint strength. It has excellent chemical resistance, outdoor durability, heat stability and light-fastness properties and is non-bleeding and non migratory. Suggested applications include RPVC, Polyolefins, Engineering Resins, Paints and Coatings including General Industrial, Coil and Extrusion coatings, quartz granules and other high performance applications where most other blue pigments do not possess the durability of the Cobalt pigments.
This product specify：
Standard Colors
Masstone and 1:4 Tint
Colors are approximate & for reference only
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| Name |
C.I.No |
Appearance |
Heat Resistance（℃） |
Light fastness |
Weather Resistance |
Oil Absorption（cc/g） |
pH |
Mean Particle Size(μm) |
| PB-28 |
77346 |
Blue |
1000 |
8 |
5 |
28 |
7.4 |
≤1.0 |
Performance Characteristics:：
Excellent heat resistance
Easy to disperse
Excellent Chemical resistance
Non-bleeding
Non-migratory
Excellent light fastness and outdoor durability
Excellent hiding power
High tinting strength
Very high Solar Reflectivity
Well-suited for major solid and flexible PVC
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Applications：
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
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