3M Water Contact Indicators: 5558 Series, Disc, 3/16 in Dia, 6 mil Thick
3M 5558 Series Water Contact Indicator Tape Discs (SKU 45K125) are 3/16 in diameter, 6 mil thick polyester-film discs with 34 oz/in steel adhesive. They change from white to red upon water exposure, providing a clear…
SKU 3G-OTH-565836
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Product Description
3M 5558 Series Water Contact Indicator Tape Discs (SKU 45K125) are 3/16 in diameter, 6 mil thick polyester-film discs with 34 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 5558 Water Contact Indicator used for?
3M 5558 Water Contact Indicator discs provide a clear visual signal when moisture contacts a surface. They change from white to red upon water exposure, making them ideal for quality assurance, leak detection, and environmental monitoring in industrial and electronic applications.
What are the specifications of 3M 5558 Water Contact Indicator discs?
The 3M 5558 discs are 3/16 in diameter, 6 mil thick, with a polyester-film backing and 34 oz/in steel adhesive. Pre-exposure color is white; post-exposure color is red. They are part of the 5558 series and are supplied by 3G Electric.
Where to buy 3M 5558 Water Contact Indicator discs worldwide?
3G Electric supplies 3M 5558 Water Contact Indicator discs worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this moisture-indicating tape disc.
How to install 3M 5558 Water Contact Indicator discs?
Clean the surface thoroughly and ensure it is dry before applying the disc. Peel the backing and press firmly onto the target area. The disc will remain white until exposed to water, then turn red permanently. Avoid bending or creasing during installation.
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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.









