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Ultramarine is the most complex of the mineral pigments, a complex
sulfur-containing sodio-silicate (Na8-10
containing a blue cubic mineral called lazurite.
Ultramarine Pigments have been used in paints for last fifteen hundred
years. But, as a colorant, these have been used for much longer time. In the
ancient period, these pigments were manufactured from natural gemstone
lapis-lazuli which is one kind of limestone.
Chemically, these pigments are the most complex out of all inorganic class
pigments. Ultramarine Pigments consist of sodium aluminum, silicate lattices
and these pigments have polysulphide (-S-S-S) chains.
Different Applications of Synthetic Ultramarine Pigments
|Range of Applications
||What Ultramarine is used to color
||Characteristics of Ultramarine that make it
||Oil, water and acrylic paints; water-based emulsion paints,
architectural coatings, floor paints, sealants.
||Light fastness, heat resistance & non-migratory. But, in acidic
atmosphere it can be decolorised.
||Tooth paste, eyeliner, pencil & crayon, detergents, lipstick,
food packaging & containers, children paints, mineral water bottles,
||These pigments are not toxic in nature.
|Inks and coatings
||Leather and paper coatings, coloring papers, printing inks, textile
||These pigments have shading and tinting effect like most of the
other colorants. Ultramarine pigments can be mixed with other colorants
to generate a wide range of colors.
|Plastics & Fibers
||Plastic pipes, thermoplastics, plastic film and containers, vinyl
and linoleum floor coverings, natural and synthetic rubbers and
||Ultramarine does not cause shrinkage, distortion or warping of
polymers in which it is incorporated (it gives "dimensional
||Ultramarine does not "leak" poisonous effluent in a
landfill site in which the plastics or fibers are dumped.
Major types of Ultramarine Pigments
Ultramarine Pigments are classified into two
Ultramarine Violet -
Violet Pigments are very safe at the time of their applications and
non-hazardous, non-toxic in nature. These pigments are used for a number of
applications as colorants. The main uses of these pigments are for printing
inks, paints, plastics and cosmetics. Ultramarine violet pigments are used
for artist's colors, industrial finishes, paper & plastics, decorative
paints and all kind of color corrections. These pigments are totally
non-bleeding, very high heat resistance and can be dispersed very easily.
Ultramarine Blue -
Blue are non-hazardous, safe blue color pigments. These pigments have wide
range of applications. Full control can be imposed on their synthetic
manufacturing process and close control can be kept over theirs physical,
chemical and color characteristics. This makes possible the wide range of
applications of these pigments. These pigments are used in manufacturers of
plastic, printing inks, cosmetic and many other industries. These blue
ultramarine pigments are also environment friendly.
These blue ultramarine pigments have wonderful heat resistance capacity up
to 350 degree C, these are of non-bleeding nature, having superb
lightfastness and don't cause any distortion in polyolefins.