High-Performance Cobalt blue P.B.28 Pigment Blue 28 ceramic pigment high temperatures above 1200℃ for engineering plastics glass blue-and-white porcelain car paint | Ceramic Pigment | | Iron Oxide Pigment & Mineral Manufacturer

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High-Performance Cobalt blue P.B.28 Pigment Blue 28 ceramic pigment high temperatures above 1200℃ for engineering plastics glass blue-and-white porcelain car paint | Ceramic Pigment | | Iron Oxide Pigment & Mineral Manufacturer

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Cobalt blue P.B.28 Pigment Blue 28 ceramic pigment high temperatures above 1200℃ for engineering plastics glass blue-and-white porcelain car paint
Cobalt blue P.B.28 Pigment Blue 28 ceramic pigment high temperatures above 1200℃ for engineering plastics glass blue-and-white porcelain car paint
Cobalt blue P.B.28 Pigment Blue 28 ceramic pigment high temperatures above 1200℃ for engineering plastics glass blue-and-white porcelain car paint
Cobalt blue P.B.28 Pigment Blue 28 ceramic pigment high temperatures above 1200℃ for engineering plastics glass blue-and-white porcelain car paint
Cobalt blue P.B.28 Pigment Blue 28 ceramic pigment high temperatures above 1200℃ for engineering plastics glass blue-and-white porcelain car paint

Cobalt blue P.B.28 Pigment Blue 28 ceramic pigment high temperatures above 1200℃ for engineering plastics glass blue-and-white porcelain car paint

Cobalt blue is an important inorganic pigment with a Pigment Index Number of Pigment Blue 28, abbreviated as P.B.28.
Cobalt blue has excellent high-temperature resistance. It has a high melting point (above approximately 1400°C) and can maintain color stability without decomposition or fading during high-temperature firing processes (usually 800-1300°C) such as in ceramics and glass production, making it a key blue pigment in high-temperature fields.
 
Cobalt blue can be divided into light cobalt blue, medium cobalt blue, and dark cobalt blue based on the depth of its color.
Light cobalt blue: It has a bright blue or sky-blue hue, with a lower cobalt content or doped with zinc elements. It is suitable for occasions requiring bright blue (such as plastic toys and light coatings).
   
Medium cobalt blue: It has a pure blue hue with high saturation and is the most widely used (such as ceramic glazes and oil painting pigments).
Dark cobalt blue: It has a higher cobalt content or doped with nickel, presenting a deep hue close to navy blue. It is applicable to scenarios needing a calm blue color (such as high-end coatings and industrial enamel).
   
Compared with phthalocyanine blue (organic): Cobalt blue is an inorganic pigment, and its high-temperature resistance is far superior to that of phthalocyanine blue (phthalocyanine blue usually resists temperatures of around 300°C). However, its tinting strength is slightly lower, and its cost is higher.
   
Compared with ultramarine (inorganic): Cobalt blue has a more pure blue hue, while ultramarine has a purplish tint; cobalt blue has better acid resistance, whereas ultramarine is easily corroded by acid.
   
Due to the scarcity of cobalt as a metal, the cost of cobalt blue is relatively high. Nevertheless, its irreplaceable high-temperature stability and color characteristics enable it to be widely used in high-end fields.
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Specifications

Name: Phthalocyanine Blue
Type： P.B.15 / P.B.15:2 /P.B.15:3
Color： Phthalocyanine Blue B，Phthalocyanine Blue BGS
Appearance： blue powder
Weight： 25Kg/bag
Usage： Coating, plastic, paint, ink,
Applications:
Ceramic Industry:
It is used for coloring ceramic glazes and bodies, and is a common pigment in blue-and-white porcelain, blue ceramic tableware, artistic ceramics, etc. It can present a uniform and full blue color after high-temperature glaze firing.
Glass Industry:
It is used for glass coloring (such as blue glass, glassware, architectural glass), and is especially suitable for glass products that require high-temperature melting.
Coatings and Plastics:
It serves as a colorant in high-temperature resistant coatings (such as high-temperature industrial paints, aviation coatings), outdoor coatings (such as architectural exterior wall paints), and engineering plastics, leveraging its weather
resistance and stability.
Art and Pigments:
In oil paints and watercolor pigments, cobalt blue is a high-end blue pigment with bright and long-lasting colors. Different from organic blue pigments (such as phthalocyanine blue), it has a unique texture.
Advantages：
1.Excellent high-temperature resistance:
Cobalt blue has a high melting point (above approximately 1400°C). It can maintain color stability without decomposition or fading during the high-temperature firing processes of ceramics, glass, etc. (usually 800-1300°C), making it a key blue pigment in high-temperature fields.
2.Strong chemical stability:
It is resistant to acid and alkali corrosion, anti-oxidation, insoluble in water and most organic solvents, and not easily affected by atmospheric pollutants (such as sulfur dioxide), with excellent outdoor weather resistance.
3.Bright and long-lasting color:
The hue can be adjusted from light blue to dark blue (by adjusting the cobalt content or doping with other elements). It has strong tinting strength and excellent light fastness, and is not easy to discolor when exposed to sunlight for a long time.
FAQ：
Q1: Are you a manufacturer or trader ?
A1: Yes, we are manufacturer, we have a factory in Hebei Province.
Factory directly sales with competitive price.
Q2: Can you customized the packing?
A2: Yes, of course.
Q3: Can I get free sample before I purchase order?
A3: Usually, free sample is available and the sample will send by freight collect.
Q4: Can you produce according to our samples?
A4: Yes, we can produce according to your requirements.
Q5: What is your delivery time?
A5: It depends, the market is always changing, please contact us to check the delivery.
Q6: What is loading port?
A6: Usually is Shanghai, Qingdao or Tianjin,Taicang Ningbo.

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