Technical Data August 2019 3M Ultra-Thin Water Contact Indicator Tape 5559i Product Description 3M Ultra-Thin Water Contact Indicator Tape 5559i is an ultra-thin 5.0 mil (127 micron) thick tape that changes color rapidly from white to red upon contact with water. It is designed for transparent substrates. Key Features Highly absorbent Quickly transport water to show indications Does not falsely indicate water contact in high humidity exposures Performance not degraded by high humidity exposure Easily die cuttable with rotary die cutting process Very high bond strength adhesive, bonds to most surfaces Thin construction, no film top layer i stands for inverted. It is designed for transparent substrates to view indication from opposite side Product Construction/Material Description PET release liner (removable) High performance acrylic adhesive Absorbent indicator layer Note: The following technical information and data should be considered representative or typical only and should not be used for specification purposes. 3M Ultra-Thin Water Contact Indicator Tape 5559i Property Value Color White (top)/Red (bottom) Adhesive Acrylic- applied to top white surface Backing Paper Thickness 5 mils (0.127 mm) Standard Roll Length 180 yards Applications Use in water contact indicator in handheld or portable electronic devices Smart phones, tablets, laptop computers and keyboards Wearable electronic devices, Gaming and MP3 player Two-way radios Digital cameras, watches Li-MH Batteries and chargers Ultra-thin caliper, 5.0 mils total, is suitable for application with tight design tolerances 3M Ultra-Thin Water Contact Indicator Tape 5559i Application Techniques Tape maybe die cut using rotary die cutting process Substrate should be smooth, clean, dry and oil-free to ensure good wet-out and adequate adhesion. Adhesive should not be applied at temperature lower than 10C (50F) (best if room temperature) Temperature resistance is -40 to 65C for days/weeks or 121C for minutes to hours. Typical Physical Properties and Performance Characteristics Note: The following technical information and data should be considered representative or typical only and should not be used for specification purposes. Final product specifications and testing methods will be outlined in the products Certificate of Analysis (COA) that is shipped with the commercialized product. 3M Ultra-Thin Water Contact Indicator Tape 5559i Property Method* Value Adhesion to Stainless Steel: ASTM D-3330 0.31 N/mm (28 oz/in) 90 Peel Adhesion, 5 mm/sec peel rate (12 in/min), 20 min dwell time Adhesion to Stainless Steel: ASTM D-3330 0.37 N/mm (34 oz/in) 90 Peel Adhesion, 5 mm/sec peel rate, 72-hr dwell time Adhesion to Polycarbonate: ASTM D-3330 0.39 N/mm (35 oz/in) 90 Peel Adhesion, 5 mm/sec peel rate, 72-hr dwell time Tape Thickness ASTM D-3652 0.127 mm (5.0mil) Release liner Thickness ASTM D-3652 0.051 mm (2.0mil) *Methods listed as ASTM are tested in accordance with the ASTM method noted Storage and Shelf Life The shelf life of 3M Ultra-Thin Water Contact Indicator Tape 5559i is 18 months from the date of manufacture when stored in the original packaging materials and stored at 21C (70F) and 50% relative humidity. Certificate of Analysis (COA) The 3M Certificate of Analysis (COA) for this product is established when the product is commercially available from 3M. The commercially available product will have a COA specification established. The COA contains the 3M specifications and test methods for the products performance limits that the product will be supplied against. The 3M