Premium UHMW polyethylene film tape for surface protection with low-friction slip plane effect. 25 inch x 180 yard roll with 6.7 mil thickness, rubber adhesive, and excellent abrasion resistance for industrial applications.
3M™ UHMW Film Tape 5421 is a premium industrial-grade polyethylene tape designed to protect surfaces from abrasion and wear in demanding applications. This thin-caliper general-purpose tape creates a unique 'slip plane' effect that allows contact between surfaces without causing wear or damage. The tape features a translucent, abrasion-resistant backing that helps protect metal and plastic surfaces while maintaining excellent low-friction properties. With dimensions of 25 inches wide by 180 yards long and a total thickness of 6.7 mil, this tape is ideal for applications where lubrication is not possible due to contamination concerns.
The 5421 tape is engineered with Ultra-High Molecular Weight polyethylene (UHMW-PE) backing that provides exceptional durability and versatility across multiple industries. The rubber adhesive delivers good initial tack for immediate bonding to material surfaces, ensuring reliable performance in challenging environments. This tape is particularly effective at reducing squeaks, rattles, and other noises that occur with movement and vibration. The UHMW-PE material offers superior abrasion resistance, greater than PTFE, with one of the highest impact strength ratings of any thermoplastic.
Mounted on a silicone-treated kraft paper liner, this tape is ideal for fabricating or die-cutting into various lengths and shapes to meet specific application requirements. The product is primarily used in aerospace, automotive, printing, and maintenance/repair/operations (MRO) industries. It meets ASTM D3330, ASTM D3652, and ASTM D3759 specifications and has an 18-month shelf life from the date of manufacture. With an operating temperature range from -30°F to 225°F (-34°C to 107°C), this tape performs reliably across diverse environmental conditions.
Key Features
- Translucent, abrasion-resistant UHMW-PE backing protects surfaces from wear and damage
- Low coefficient of friction creates slip plane effect for smooth surface contact without wear
- Rubber adhesive provides excellent initial tack for immediate bonding and secure adhesion
- Reduces squeaks, rattles, and vibration-related noises in mechanical applications
- Silicone-treated kraft paper liner enables easy die-cutting and fabrication into custom shapes
- Superior abrasion resistance exceeding PTFE with exceptional impact strength
- Ideal for applications where lubrication is not possible due to contamination concerns
- Wide operating temperature range from -30°F to 225°F ensures reliable performance
- Meets ASTM D3330, ASTM D3652, and ASTM D3759 industrial specifications
- 18-month shelf life provides extended storage capability for inventory management
Technical Specifications
| Specification |
Value |
| Product Number | 5421 |
| Brand | 3M™ |
| Overall Width (Imperial) | 25 in |
| Overall Width (Metric) | 635 mm |
| Overall Length (Imperial) | 180 yd |
| Overall Length (Metric) | 164.59 m |
| Total Tape Thickness (Imperial) | 6.7 mil |
| Total Tape Thickness (Metric) | 0.17 mm |
| Backing Material | Ultra-high Molecular Weight Polyethylene (UHMW-PE) |
| Backing Thickness (Imperial) | 5 mil |
| Backing Thickness (Metric) | 0.13 mm |
| Adhesive Type | Rubber |
| Adhesive Thickness (Metric) | 0.13 mm |
| Adhesion Strength (Imperial) | 26 oz/in |
| Adhesion Strength (Metric) | 28 N/100mm |
| Tensile Strength (Imperial) | 30 lb/in |
| Tensile Strength (Metric) | 796 N/100mm |
| Elongation at Break | 440% |
| Product Color | Transparent |
| Product Form | Roll |
| Primary Liner | 60# Densified Kraft, Silicone Treated Paper |
| Minimum Operating Temperature (Fahrenheit) | -30 °F |
| Minimum Operating Temperature (Celsius) | -34 °C |
| Maximum Operating Temperature (Fahrenheit) | 225 °F |
| Maximum Operating Temperature (Celsius) | 107 °C |
| Shelf Life | 18 months from date of manufacture |
| Units per Case | 1 Roll |
| Smallest Saleable Unit | Roll |
| Application | General Industrial |
| Industries | Aerospace, Appliance, Automotive, Electronics, General Industrial, Metalworking, Military & Government, Specialty Vehicles, Transportation |
| Specifications Met | ASTM D3330, ASTM D3652, ASTM D3759 |
| UPC | 00051138951085 |
| 3M ID | 7010050129 |
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