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What is the Difference Between Phthalocyanine Blue and Ultramarine Blue?

Aug. 17, 2021

As a China Pigment Manufacturer, share with you. Both are blue coloring pigments. What is the difference between phthalocyan blue and ultramarine blue in color and performance?

The difference between the two mainly depends on the following aspects:

Judging from the color

Phthalocyanine blue is dark blue, and ultramarine blue is light blue. There are 3 hues of phthalocyanine blue, red, purple, and green. Generally speaking, there is only one hue of ultramarine blue-red. The difference in hue has a great impact on the actual use of these two blue toners.

Ultramarine Blue 462

Ultramarine Blue 462

From the perspective of the type of pigment

Phthalocyanine blue belongs to the phthalocyanine pigment in the organic pigment system. Ultramarine blue belongs to the blue pigment in inorganic pigments. Therefore, phthalocyanine blue does not contain heavy metals, and ultramarine blue contains trace amounts of heavy metals. But ultramarine blue is different from other inorganic blue pigments, such as iron blue. It contains very small amounts of heavy metals and belongs to non-toxic inorganic blue pigments.

From the performance of the pigment

Phthalocyanine blue has strong tinting power, but its light fastness and weather resistance are not as good as ultramarine blue. Ultramarine blue has strong hiding power and good resistance, but its tinting power is not as good as phthalocyanine blue. The performance of ultramarine blue that has to be mentioned is whitening. When used in yellow products, it can effectively remove the yellow light in yellow products and make them whiter.

From the point of view of the use of pigments

Phthalocyanine blue is usually used mainly in inks and plastics, but also in coatings and paints. Ultramarine blue is mostly used in various coatings, plastics, and daily chemicals, such as laundry detergent, laundry soap, and washing powder.

Our company also has Ultramarine Blue 462 on sale, welcome to contact us.

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