Pigment Blue 29 CAS 57455-37-5 PB29

Pigment Blue 29 (C.I. Pigment Blue 29) is an inorganic blue pigment with the following key characteristics:
Youdaoplaceholder0 Chinese name ‌ : Pigment blue 29
Youdaoplaceholder0 CAS number ‌ : 57455-37-5
Youdaoplaceholder0 Chemical formula ‌ : Al₆Na₈O₂₄S₃Si₆ (molecular weight 994.51)
Youdaoplaceholder0 Appearance ‌ : blue powder, with a bright and fresh tone, difficult to mix with other colors to replace. ‌
Physical properties
Youdaoplaceholder0 heat resistance ‌ : up to 300℃
Youdaoplaceholder0 lightfastness ‌ : grade 8 (excellent outdoor durability)
Youdaoplaceholder0 Acid resistance ‌ : grade 2-3 (prone to decomposition and discoloration when exposed to acid)
Youdaoplaceholder0 Alkali resistance ‌ : grade 4
Youdaoplaceholder0 Water resistance ‌ : grade 5 ‌
Application field
Youdaoplaceholder0 coatings industry ‌ : used for manufacturing colored paints and enhancing the whiteness of white coatings.
Youdaoplaceholder0 Rubber industry ‌ : It is used for coloring products such as the outsoles of sneakers and rubber sheets, or for blending grass green with yellow pigments. ‌
Youdaoplaceholder0 Paper industry ‌ : added to pulp to produce fresh white or blue pulp.
Youdaoplaceholder0 plastic industry ‌ : used for coloring and whitening of plastic products and artificial leather. ‌
Youdaoplaceholder0 construction industry ‌ : used for coloring cement square bricks and artificial marble. ‌
Youdaoplaceholder0 Other uses ‌ : It is used as an antioxidant for perfluorocarbon resin, a hydrogenation cracking catalyst, and for adsorbing uranium from seawater.