Ultramarine blue

Appearance: Inorganic blue powder, water insoluble, enviroment-friendly, nonhazardousUltramarine is a blue pigment consisting primarily of a double silicate of aluminium and sodium with some sulfides or sulfates, and occurring in nature as a proximate component of lapis lazuli. Items Specification

Resistance to migratory 5

Content of Free Sulphur % < 0.05

Oil Absorption Value 30-40

Through Screen (325m) ≤ 0.1%

Volatile Matter (105 degrees) < 1%

Heat-Resistance ( degrees ) > 300

Antiwea ther ability 8

Acid Fastness 1

Alkali Fastness 2-3

Used:-- Pigmentation: Used for paint, printing ink, spray, rubber, plastics, art pigment and cosmetics, etc.-- Whiten: Can remove the yellow light in the white products-- App lication for ultramar ine in coating-- Purpose for whiten and powdered coating