1 Characteristics: dark blue and light blue powder, bright color, good dyeing force, covering power slightly worse. Powder quality is hard.
2 quality standard: Tinting strength of 95~105% absorption 15-30% 1% water, residue on sieve (200 mesh) is less than or equal to 1%, 1% water soluble substances.
3 use: paint, ink, painting, paint and crayons, paint, coating cloth, paper plastic coloring, coloring, floor tiles and other building ground.