3M Water Contact Indicators: 5559 Series, Disc, 1/8 in Dia, 5 mil Thick
The 3M 5559 Series Water Contact Indicator Tape Discs are 1/8-inch diameter discs with a 5-mil thick polyester film backing and a 28 oz/in steel adhesive. They change from white to red upon water exposure, providing…
SKU 3G-OTH-565837
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Product Description
The 3M 5559 Series Water Contact Indicator Tape Discs are 1/8-inch diameter discs with a 5-mil thick polyester film backing and a 28 oz/in steel adhesive. They change from white to red upon water exposure, providing a clear visual indication of moisture contact.
Frequently Asked Questions
What is 3M 5559 Water Contact Indicator used for?
The 3M 5559 Water Contact Indicator is used to detect moisture exposure in sealed assemblies, electronics, or packaging. The disc changes from white to red upon water contact, providing a clear visual alert for quality assurance, warranty validation, or leak detection in industrial applications.
What are the specifications of 3M 5559 Water Contact Indicator?
The 3M 5559 Series disc is 1/8 inch in diameter, 5 mil thick, with a polyester film backing and 28 oz/in steel adhesive. Pre-exposure color is white; post-exposure color is red. It is an acrylic-based indicator tape disc designed for reliable moisture detection.
Where to buy 3M 5559 Water Contact Indicator worldwide?
3G Electric supplies the 3M 5559 Water Contact Indicator worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this moisture detection disc to your facility. Contact us for availability and lead time.
How to install 3M 5559 Water Contact Indicator discs?
Install 3M 5559 discs on a clean, dry surface inside the equipment or package. Apply firm pressure to ensure full adhesive contact. Avoid pre-exposure to moisture or high humidity before sealing. The disc provides a permanent visual record of water contact when it turns red.
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Common applications for 3M3M Products
3G Electric supplies 3M water contact indicator tape discs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









