3M™ Water Contact Indicator Tape 5557 is a 10.2 mil thick printable, self-adhesive product that shows area specific, long lasting indication when contacted by water
The 3M™ Water Contact Indicator Tape 5557 is a 10.2 mil thick, printable, self‑adhesive tape that turns from white to red when it contacts water. It is designed to resist heat and humidity aging, maintaining indication even after prolonged submersion.
The sheet provides construction details, adhesion values, temperature and humidity resistance, UL recognition, storage recommendations, and warranty information for users and specifiers.
| Tape Thickness | 10.2 mils (0.259 mm) |
|---|---|
| Release Liner Thickness | 2.0 mils (0.051 mm) |
| Adhesion to Stainless Steel | 82 oz/in width (88 N/100 mm) |
| Adhesion to Polycarbonate | 47 oz/in width (652 N/100 mm) |
| Maximum Roll Width | 12 in (304.8 mm) |
| Temperature Resistance | -40 °C to 65 °C (days/weeks) and up to 121 °C (minutes/hours) |
| Shelf Life | 18 months from date of manufacture |
| Recommended Storage Conditions | 60 °F‑80 °F (16 °C‑27 °C) and 40‑60 % RH |
The tape changes color rapidly from white to red when liquid contacts it.
Adhesive should not be applied at temperatures below 50 °F (10 °C).
Yes, the 3M 5557 tape is recognized by Underwriters Laboratories under UL‑969.
Yes, the tape is rotary die‑cuttable and can be formed into a variety of labels.