3M Water Contact Indicators: 5559 Series, Square, 1/8 in Wd, 1/8 in Lg
The 3M 5559 Series Water Contact Indicator Tape Squares are 1/8 in by 1/8 in acrylic squares, 5 mil thick, on a white polyester film backing that turns red upon water contact. 3G Electric interprets this demand and…
SKU 3G-OTH-602927
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Product Description
The 3M 5559 Series Water Contact Indicator Tape Squares are 1/8 in by 1/8 in acrylic squares, 5 mil thick, on a white polyester film backing that turns red upon water contact. 3G Electric interprets this demand and supplies these indicators across 14 industrial departments — with specialist depth in combustion, pumps and controls as an authorised distributor — ensuring you get the right answer, not just a catalog.
Frequently Asked Questions
What are 3M 5559 Water Contact Indicator Tape Squares used for?
These 1/8 in square acrylic indicators turn from white to red upon water contact, providing a visual alert for moisture intrusion in electronics, filters, or packaging. 3G Electric supplies these across 14 industrial departments, with specialist depth in combustion, pumps and controls.
What are the specifications of 3M 5559 Water Contact Indicator Tape Squares?
The 3M 5559 series is a 1/8 in by 1/8 in square, 5 mil thick acrylic indicator on white polyester film backing. It turns red when exposed to water. The manufacturer part number is 5559.
Where to buy 3M 5559 Water Contact Indicator Tape Squares worldwide?
3G Electric sources and delivers 3M 5559 Water Contact Indicator Tape Squares worldwide. We handle full logistics and customs clearance, ensuring you receive genuine indicators for moisture detection in your industrial applications.
How to install 3M Water Contact Indicator Tape Squares?
Apply the 1/8 in square acrylic indicator to a clean, dry surface. Ensure the area is free of moisture before application. The white backing turns red upon water contact, providing a clear visual signal. 3G Electric can advise on proper placement for your specific use case.
Used in
Common applications for 3M3M Products
3G Electric supplies 3M water contact indicator tape squares. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.





