Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3M Water Contact Indicators: 5558 Series, Disc, 3/16 in Dia, 6 mil Thick - Water Contact Indicator Tape Discs
3MWater Contact Indicator Tape Discs

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

Brand
3M
Item
Water Contact Indicators: 5558 Series, Disc, 3/16 in Dia, 6 mil Thick
Category
Water Contact Indicator Tape Discs
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

3M
Manufacturer Part Number
5558
Series
5558
Type
Disc, 34 oz/in Steel Adh
Dia
3/16 in
Thick
6 mil
Backing Material
Polyester Film
Pre-Exposure Color
White
Post-Exposure Color
Red
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

3M Products
3G Electric (S) Pte. Ltd. — Singapore

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.

Used in

Common applications for 3M
Industrial process water filtration — 3M solid polypropylene cartridge (e.g., RT10Q16G20NN, 7 micron) for sediment removal in manufacturing lines.
Cooling tower pre-treatment — 3M string-wound cartridge (e.g., RT39B16G20NN, 30 micron) to protect heat exchangers from particulate fouling.
Food and beverage rinse water — 3M 1 micron solid cartridge (RT10Y16G20NN) for fine filtration to meet quality standards.
Chemical processing feed water — 3M 27 micron solid cartridge (RT30L16G20NN) for high-flow sediment reduction upstream of sensitive equipment.
Wastewater effluent polishing — 3M 2 micron string-wound cartridge (RT09Y16G20NN) for final particulate removal before discharge or reuse.
Pharmaceutical utility water — 3M 0 micron string-wound cartridge (RT09L16G20NN) for sub-micron filtration in critical systems.

3M 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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from 3M

View all 3M parts
3M Water Contact Indicators: 5559 Series, Disc, 3/32 in Dia, 5 mil Thick, 28 oz/in Steel Adh. Key specifications — Backing Material: Polyester Film; Post-Exposure Color: Red; Pre-Exposure Color: White; Series: 5559.
3M
3M Water Contact Indicators: 5559 Series, Disc, 3/32 in Dia, 5 mil Thick, 28 oz/in Steel Adh. Key specifications — Backing Material: Polyester Film; Post-Exposure Color: Red; Pre-Exposure Color: White; Series: 5559.
3M Water Contact Indicators: 5559 Series, Disc, 3/16 in Dia, 5 mil Thick, 28 oz/in Steel Adh. Key specifications — Backing Material: Polyester Film; Post-Exposure Color: Red; Pre-Exposure Color: White; Series: 5559.
3M
3M Water Contact Indicators: 5559 Series, Disc, 3/16 in Dia, 5 mil Thick, 28 oz/in Steel Adh. Key specifications — Backing Material: Polyester Film; Post-Exposure Color: Red; Pre-Exposure Color: White; Series: 5559.
3M Water Contact Indicators: 5558 Series, Disc, 3/32 in Dia, 6 mil Thick, 34 oz/in Steel Adh. Key specifications — Backing Material: Polyester Film; Post-Exposure Color: Red; Pre-Exposure Color: White; Series: 5558.
3M
3M Water Contact Indicators: 5558 Series, Disc, 3/32 in Dia, 6 mil Thick, 34 oz/in Steel Adh. Key specifications — Backing Material: Polyester Film; Post-Exposure Color: Red; Pre-Exposure Color: White; Series: 5558.
3M Water Contact Indicators: 5559 Series, Disc, 3/16 in Dia, 5 mil Thick, 28 oz/in Steel Adh. Key specifications — Backing Material: Polyester Film; Post-Exposure Color: Red; Pre-Exposure Color: White; Series: 5559.
3M
3M Water Contact Indicators: 5559 Series, Disc, 3/16 in Dia, 5 mil Thick, 28 oz/in Steel Adh. Key specifications — Backing Material: Polyester Film; Post-Exposure Color: Red; Pre-Exposure Color: White; Series: 5559.
3M Water Contact Indicators: 5557 Series, Disc, 1/8 in Dia, 10.2 mil Thick, 82 oz/in Steel Adh. Key specifications — Backing Material: Polyester Film; Post-Exposure Color: Red; Pre-Exposure Color: White; Series: 5557.
3M
3M Water Contact Indicators: 5557 Series, Disc, 1/8 in Dia, 10.2 mil Thick, 82 oz/in Steel Adh. Key specifications — Backing Material: Polyester Film; Post-Exposure Color: Red; Pre-Exposure Color: White; Series: 5557.
3M Water Contact Indicators: 5557 Series, Disc, 3/16 in Dia, 10.2 mil Thick, 82 oz/in Steel Adh. Key specifications — Backing Material: Polyester Film; Post-Exposure Color: Red; Pre-Exposure Color: White; Series: 5557.
3M
3M Water Contact Indicators: 5557 Series, Disc, 3/16 in Dia, 10.2 mil Thick, 82 oz/in Steel Adh. Key specifications — Backing Material: Polyester Film; Post-Exposure Color: Red; Pre-Exposure Color: White; Series: 5557.
3M Water Contact Indicators: 5559 Series, Disc, 1/8 in Dia, 5 mil Thick, 28 oz/in Steel Adh, Acrylic. Key specifications — Backing Material: Polyester Film; Post-Exposure Color: Red; Pre-Exposure Color: White; Series: 5559.
3M
3M Water Contact Indicators: 5559 Series, Disc, 1/8 in Dia, 5 mil Thick, 28 oz/in Steel Adh, Acrylic. Key specifications — Backing Material: Polyester Film; Post-Exposure Color: Red; Pre-Exposure Color: White; Series: 5559.
3M Water Contact Indicators: 5557 Series, Disc, 3/16 in Dia, 10.2 mil Thick, 82 oz/in Steel Adh. Key specifications — Backing Material: Polyester Film; Post-Exposure Color: Red; Pre-Exposure Color: White; Series: 5557.
3M
3M Water Contact Indicators: 5557 Series, Disc, 3/16 in Dia, 10.2 mil Thick, 82 oz/in Steel Adh. Key specifications — Backing Material: Polyester Film; Post-Exposure Color: Red; Pre-Exposure Color: White; Series: 5557.