Acid Resisting Ultramarines Ultramarines With 50% Improved Acid Resistance Ultramarine pigments are sensitive to decomposition by acids. Recognising this, Holliday Pigments has always offered a range of ultramarines which are coated to resist acid attack. Taking advantage of improved process technology, Holliday Pigments is now able to offer improved grades with 50% more resistance than the previous best-in-class products. Premier XAR for plastics applications Ultramarine 59 for all other applications Applications for Acid Resisting Ultramarines from Holliday Pigments Premier AR Premier XAR Premier BC-R Artizan Deko* 59 54 17 16 Exterior plastics 0 X 0 0 Exterior coatings X 0 0 0 Exterior coatings (aqueous) X X 0 PVC 0 X 0 0 Food contact plastics 0 0 X 0 0 0 0 Highest strength X Paper X Cosmetics X 0 0 0 X = recommended 0 = may be suitable * aqueous dispersion Use of an acid resisting ultramarine significantly improves the weathering fastness of articles coloured with ultramarine pigments. This is because the fading is principally due to decomposition caused by acid rain. Improvements will be even more apparent where articles are exposed to higher levels of pollution. To view our Acid Resisting Brochure please open the following file :-