ITW’s Ink434 was specifically developed and formulated for fast drying on treated and untreated polypropylene substrates, including those used in medical applications. ITW says the ink features excellent printability, high opacity, high gloss level, excellent adhesion, fast startup, and more. Ink434 is available in black and white. The company reports that colors and high-density versions will be available soon, as will Medical Class VI versions. ITW Trans Tech, 475 N. Gary Ave., Carol Stream, IL 60188-4900, 630-752-4000, fax: 630-752-4467, Web: www.itwtranstech.com.