Kobo's Composite ACCB-33 is a Black 2 encapsulated in an acrylate copolymer matrix. It is Non- nano and the particle size range is from 15-30 micron measured by LSS. It offers additional color intensity when used with black iron oxide. It adds volume without the graying effect that can be caused by white microspheres. Additionally it adds thickening properties due to its oil absorption nature.