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Ultramarine RS 21

Technical Datasheet | Supplied by R.S. Pigments
Sodium Alumino Sulphosilicate. Acts as a general purpose inorganic pigment. It is a medium tinting strength, mid shade Ultramarine blue. Is heat fast, light fast, easy to disperse and approved worldwide for use in sensitive applications such as food contact plastics. Offers poor acid fastness and good alkali fastness properties. It is widely used alone to obtain a bright, transparent shade of blue, or in combination with other pigments such as titanium dioxide, with which it gives an attractive pastel shade. Used in toys.
Product Type
Inorganic Pigments
Chemical Composition
Sodium Alumino Sulphosilicate
CAS Number
57455-37-5, 101357-30-6
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