Paper backing is highly absorbent and transports water to show indications
Acrylic adhesive offers a very high bond strength to most surfaces including low surface energy plastics such as polypropylene and powder coatings
Total construction is rotary die cuttable with no film top layer
Tape is thinner to enable slim electronics device design
"i" stands for inverted. It is designed transparent substrates to view indication from opposite side
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.
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