Compatible with 3M™ Engineer Grade Prismatic Reflective Sheeting Series 3430, 3M™ High Intensity Prismatic Grade Reflective Sheeting Series 3930 and 3M™ Diamond Grade™ DG³™ Reflective Sheeting Series 4000
3M™ Process Color Series 990 is transparent (except for 990-05 black which is opaque), screen printable, and dries quickly. They are recommended and intended for use on 3M™ Engineer Grade Reflective Sheeting Series 3200 and CW80.