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Ultramarine Blue

Ultramarine Blue is Synthetic Inorganic pigment. Ultramarine Blue is the most commonly used blue earth pigment. It is a kind of sulphur compound of aluminous silicate, which has a crystal structure associated with celestite. So it has very bright light and pure color.

Product Name: Ultramarine Blue/ Ultramarine C. I. Pigment Blue 29 (77007)
CAS NO 57455-37-5
Molecular Weight: 862.60578
Molecular Formula: Na6Al4Si6S4O20
Application
Shade: Reddish blue
Main Application: paint, inks, build coating, plastic, Detergent, Stationery, paper, Textile Paste,etc.

Ultramarine blue Physical, Chemical and Fastness Properties

Technical Term 462 463 464 08
P.H. Value 8.0-10.0 8.0-10.0 8.0-10.0 8.0-10.0
Density(g/cm3) 2.35 2.35 2.35 2.35
Oil Absorption(ml/100g)% 25-45 25-45 25-45 30-40
Heat Resistance (  > ) 300 (°C) 300 (°C) 300 (°C) 300 (°C)
Acid Resistance 1 1 1 1
Alkali Resistance 2-3 2-3 2-3 2-3
Resistance to Migratory
5
5
5
5
Content of Free Sulphur (%≤)

0.30

0.15

0.10

0.05

Through Screen (325m) (%≤)

0.10

0.10

0.10

0.10

Water Soluable (%≤)

1.50

1.50

1.00

1.00

Volatile Matter (105±2 ℃)(%≤)

1.00

1.00

1.00

1.00

 

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