3M™ Water Contact Indicator Tape 5557NA is a 7 mil printable product that shows area specific, long lasting indication when contacted by water. When liquid containing water comes in contact with the product, the color rapidly changes from white to red.
Features and Benefits
Film top layer
Printable by thermal transfer, flexographic, and screen printing methods.
Provides improved ink receptivity
Provides protection from soiling and moisture during handling
Highly absorbent, transports water to show indications