Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

3G Electric
3M 5559 Water Contact Indicator Tape Discs
3MWater Contact Indicator Tape Discs

3M 5559 Water Contact Indicator Tape Discs

The 3M 5559 Series Water Contact Indicator Tape Discs are 3/32 in diameter, 5 mil thick polyester-film discs with a 28 oz/in steel adhesive. They change from white to red upon water exposure, providing a clear visual…

SKU 3G-OTH-565827

Brand
3M
Item
5559 Water Contact Indicator Tape Discs
Part Number
5559
Category
Water Contact Indicator Tape Discs
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

3M
Manufacturer Part Number
5559
Series
5559
Type
Disc, 28 oz/in Steel Adh
Dia
3/32 in
Thick
5 mil
Backing Material
Polyester Film
Pre-Exposure Color
White
Post-Exposure Color
Red

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

The 3M 5559 Series Water Contact Indicator Tape Discs are 3/32 in diameter, 5 mil thick polyester-film discs with 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 disc provides a clear visual alert when moisture contacts a surface. It changes from white to red upon water exposure, making it ideal for leak detection, humidity monitoring, and quality assurance in sealed electronics, packaging, or industrial equipment.

What are the specifications of 3M 5559 Water Contact Indicator?

The 3M 5559 is a disc-type indicator with a diameter of 3/32 in, thickness of 5 mil, and a 28 oz/in steel adhesive. Backing material is polyester film. Pre-exposure color is white; post-exposure color is red. Series: 5559.

Where to buy 3M 5559 Water Contact Indicator worldwide?

3G Electric supplies the 3M 5559 Water Contact Indicator worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this moisture-detection disc for industrial applications.

How to install 3M 5559 Water Contact Indicator discs?

Clean the target surface thoroughly and ensure it is dry. Peel the disc from its liner and press firmly onto the surface using the steel adhesive. Avoid bending the disc. After installation, monitor the disc; a color change from white to red indicates moisture exposure.

Used in

Common applications for 3M
Electrical maintenance — 3M Super 33+ electrical tape for insulating splices and bundling wires in control circuits.
Mining cable repair — 3M molded resin pouch for coating cable jackets in mine and portable cable applications.
Utility cable splicing — 3M cold shrink splice kit rated for 15 kV for insulating and repairing power cables.
Industrial wire harnessing — 3M 2520 series varnished cotton cloth tape for abrasion resistance in wire harnessing.
Structural bonding — 3M DP8005 acrylic adhesive for bonding plastics, metals, and composites in assembly operations.
Cable protection — 3M heat shrink tubing for sealing and protecting electrical connections from moisture and abrasion.
Not sure this is the right part? Photo-identify it→

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 →

Compatible alternatives & equivalents

Cross-referenced by specification & description
Discs, 3/16 in diameter, 5 mil thick, with polyester film backing and 28 oz/in steel adhesive. White before exposure; turns red upon water contact. Used for visual indication of moisture in sealed assemblies or equipment
3M
Discs, 3/16 in diameter, 5 mil thick, with polyester film backing and 28 oz/in steel adhesive. White before exposure; turns red upon water contact. Used for visual indication of moisture in sealed assemblies or equipment
3/32 in diameter disc with 10.2 mil thick polyester film backing and 82 oz/in steel adhesive. Pre-exposure color is white; post-exposure color is red, providing irreversible visual indication of moisture contact. Used in sealed assemblies, electronics, or packaging for quality assurance and warranty validation
3M
3/32 in diameter disc with 10.2 mil thick polyester film backing and 82 oz/in steel adhesive. Pre-exposure color is white; post-exposure color is red, providing irreversible visual indication of moisture contact. Used in sealed assemblies, electronics, or packaging for quality assurance and warranty validation
Square acrylic water contact indicator tape on polyester film backing. Measures 3/32 in by 3/32 in, 5 mil thick. White surface turns red upon water contact for visual detection of moisture ingress in sealed assemblies
3M
Square acrylic water contact indicator tape on polyester film backing. Measures 3/32 in by 3/32 in, 5 mil thick. White surface turns red upon water contact for visual detection of moisture ingress in sealed assemblies
Square acrylic water contact indicators, 3/16 in by 3/16 in, 10.2 mil thick on a polyester film backing. White with a red indicator that changes color upon water exposure. Used for visual confirmation of moisture in sealed assemblies and leak detection
3M
Square acrylic water contact indicators, 3/16 in by 3/16 in, 10.2 mil thick on a polyester film backing. White with a red indicator that changes color upon water exposure. Used for visual confirmation of moisture in sealed assemblies and leak detection

More from 3M

View all 3M parts →
3/32 in diameter discs with polyester film backing and 34 oz/in steel adhesive. White before water exposure, turning red upon contact with moisture. Used in sealed assemblies to provide a visual indication of water ingress without disassembly
3M
3/32 in diameter discs with polyester film backing and 34 oz/in steel adhesive. White before water exposure, turning red upon contact with moisture. Used in sealed assemblies to provide a visual indication of water ingress without disassembly
Discs, 1/8 in diameter, 10.2 mil thick, with polyester film backing and 82 oz/in steel adhesive. Pre-exposure color is white; post-exposure color is red, providing a visual indication of water contact. Used to detect moisture in sealed assemblies, filters, or packaging
3M
Discs, 1/8 in diameter, 10.2 mil thick, with polyester film backing and 82 oz/in steel adhesive. Pre-exposure color is white; post-exposure color is red, providing a visual indication of water contact. Used to detect moisture in sealed assemblies, filters, or packaging
1/8-inch diameter discs with 5-mil thick polyester film backing and 28 oz/in steel adhesive. Acrylic-based indicator changes from white to red upon water exposure, providing visual moisture detection for sealed assemblies, electronics, or packaging
3M
1/8-inch diameter discs with 5-mil thick polyester film backing and 28 oz/in steel adhesive. Acrylic-based indicator changes from white to red upon water exposure, providing visual moisture detection for sealed assemblies, electronics, or packaging
White polyester-film discs, 3/16 in diameter and 6 mil thick, with 34 oz/in steel adhesive. Upon exposure to water, the color changes from white to red, providing a visual indication of moisture contact. Used for leak detection and environmental monitoring in industrial and electronic applications
3M
White polyester-film discs, 3/16 in diameter and 6 mil thick, with 34 oz/in steel adhesive. Upon exposure to water, the color changes from white to red, providing a visual indication of moisture contact. Used for leak detection and environmental monitoring in industrial and electronic applications
White polyester-film disc, 5/32 in diameter and 5 mil thick, with 28 oz/in steel adhesive. Pre-exposure color is white; upon water contact, turns red to indicate moisture exposure. Used for visual detection of water ingress in sealed assemblies or packaging
3M
White polyester-film disc, 5/32 in diameter and 5 mil thick, with 28 oz/in steel adhesive. Pre-exposure color is white; upon water contact, turns red to indicate moisture exposure. Used for visual detection of water ingress in sealed assemblies or packaging
Discs, 3/16 in diameter, 10.2 mil thick, with polyester film backing and 82 oz/in steel adhesive. Pre-exposure color is white; post-exposure color is red upon water contact. Used to visually indicate moisture exposure in sealed environments
3M
Discs, 3/16 in diameter, 10.2 mil thick, with polyester film backing and 82 oz/in steel adhesive. Pre-exposure color is white; post-exposure color is red upon water contact. Used to visually indicate moisture exposure in sealed environments
Discs, 3/16 in diameter, 10.2 mil thick, with polyester film backing and 82 oz/in steel adhesive. White before exposure, turn red upon water contact. Used to detect moisture in sealed assemblies or packaging
3M
Discs, 3/16 in diameter, 10.2 mil thick, with polyester film backing and 82 oz/in steel adhesive. White before exposure, turn red upon water contact. Used to detect moisture in sealed assemblies or packaging
Discs, 3/16 in diameter, 5 mil thick, polyester film backing with 28 oz/in steel adhesive. White before exposure, turns red upon water contact. Used for visual indication of moisture in sealed assemblies, packaging, or equipment
3M
Discs, 3/16 in diameter, 5 mil thick, polyester film backing with 28 oz/in steel adhesive. White before exposure, turns red upon water contact. Used for visual indication of moisture in sealed assemblies, packaging, or equipment

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first