Mark Andy announced the successful UL 969 certification for Digital Series ink on Avery Dennison substrates.   This certification is given by the Underwriters Laboratories, an internationally acknowledged safety science company, and is focused on ensuring the quality and reliability of durable labels.   In order to obtain this classification, specially formulated Mark Andy inks were run through a series of rigorous tests performed by the UL. This includes scratch, exposure, 10-day oven, outd...