
3M™ 5421 is a technical tape made of Ultra High Molecular Weight Polyethylene (UHMW), designed to create sliding surfaces and protect mechanical components from wear. Its very low coefficient of friction reduces resistance between contacting elements, effectively eliminating friction, noise, and vibration. It is ideal for applications where lubricants cannot be used—for example, due to the risk of contaminating the product or environment. Thanks to its chemical resistance and high abrasion resistance, the tape extends the lifespan of working surfaces even in the most demanding industrial environments.
Technical Specification
- Width: 51 mm
- Length: 16.5 m
- Thickness: 0.17 mm
- Color: Transparent
- Type: UHMW (Ultra High Molecular Weight Polyethylene) Tape
- Adhesive: Acrylic, permanent
- Special properties: Abrasion and chemical resistance, low friction coefficient
Application
- Creating "slip planes" in industrial equipment
- Protection of surfaces against mechanical wear
- Reducing noise and vibration between moving parts
- Applications where lubrication is not possible or advisable
- Conveyors, guides, chutes, and transport equipment
Benefits and properties
✅ Low friction coefficient – enables smooth movement and reduces wear
✅ Excellent abrasion resistance – increases component lifespan
✅ Noise and vibration reduction – quieter and more stable machine operation
✅ Chemical resistance – suitable for aggressive environments
✅ Transparent and discreet – aesthetic and practical for visible applications
✅ Durable acrylic adhesive – strong, long-lasting adhesion to various surfaces
Application tips
Before application, the surface should be clean, dry, and degreased. The tape should be pressed evenly, especially at the edges, to ensure optimal adhesion. In areas exposed to intense mechanical movement, it is recommended to precisely match the length of the tape to the sliding area.


















