3M™ Ultra-Thin Water Contact Indicator Tape 5559 changes color RAPIDLY from white to red upon contact w/water. It is designed to withstand heat and humidity aging w/o giving water indication. The top surface is press printable by laser and ink jet devices.
3M™ Water Contact Indicator Tape 5559i is an ultra-thin, 5.0 mil (127 micron) thick tape used to indicate water contact. The tape turns from white to red upon direct water contact. It is designed for transparent substrates.
