Sun Chemical’s Performance Pigments group has announced price increases of 5 to 10 percent on pigments and pigment preparations. The increases apply to products sold to the ink, plastics, coatings and some specialty markets on a global basis.      Throughout 2004, pigment and pigment preparation costs have risen sharply. Raw material prices, including intermediates, bulk chemicals, resins and vehicles, have increased steadily throughout the year and more increases are anticipated over the com...