Super Anthraquinone Powder(Micronized Anthraquinone Powder ) developed by our company is our main product used in paper pulp cooking. It is yellow or light grey powder, Purity >=98.5% ,Besides the original characteristics of AQ, Super Anthraquinone Powde(Micronized Anthraquinone Powder) Particle Size Granular Diameter D50 <=0.5 um,D90 <=6 um it can be perfectly meet the requirements of paper pulp factory during their cooking and also of other industries. It is easy for transportation, storage and using.