Premium UHMW polyethylene protective tape with low friction and excellent abrasion resistance for industrial applications. Transparent, 1.25" x 18 yd rolls with rubber adhesive and silicone-treated liner.
3M™ UHMW Film Tape 5421 is a premium polyethylene-based protective tape designed for industrial applications requiring superior abrasion resistance and low friction properties. This transparent, thin-caliper tape creates an effective "slip plane" effect between surfaces, allowing contact without wear. The tape features a unique combination of ultra-high molecular weight polyethylene (UHMW-PE) backing with rubber adhesive, making it ideal for protecting plastic and metal surfaces from abrasion, squeaks, and rattles caused by movement and vibration.
The tape is specifically engineered for tough impact wear and sliding applications across aerospace, automotive, printing, and MRO industries. With exceptional hardness and low surface energy characteristics, UHMW-PE provides superior abrasion resistance that exceeds PTFE while maintaining a low coefficient of friction. The product comes pre-mounted on a silicone-treated kraft liner, making it easy to die-cut into various lengths and shapes for specific application requirements.
This industrial-grade tape is ideal for conveyor guide rails, chutes, spray booth liners, tank and bin liners, drawer and cabinet slides, and protecting aluminum sheets on stretch forming presses. The 6-roll case format provides convenient packaging for bulk industrial use, with each roll measuring 1.25 inches wide by 18 yards long at 6.7 mil thickness. Perfect for applications where lubrication is not possible due to contamination concerns, this tape delivers reliable, long-lasting performance in demanding industrial environments.
Key Features
- Ultra-high molecular weight polyethylene (UHMW-PE) backing for superior abrasion resistance
- Low coefficient of friction creates effective slip plane effect between surfaces
- Rubber adhesive provides excellent initial tack and immediate bonding
- Translucent, durable backing protects surfaces from wear and impact
- Pre-mounted on silicone-treated kraft liner for easy die-cutting and fabrication
- Reduces squeaks, rattles, and vibration-related noises in mechanical assemblies
- Ideal for applications where lubrication is not possible due to contamination
- Suitable for aerospace, automotive, printing, and MRO industrial applications
Technical Specifications
| Specification |
Value |
| Product Name | 3M™ UHMW Film Tape 5421 |
| Part Number | 5421 |
| UPC Code | 00021200735981 |
| Overall Width (Imperial) | 1.25 inches |
| Overall Width (Metric) | 31.75 mm |
| Overall Length (Imperial) | 18 yards |
| Overall Length (Metric) | 16.45 meters |
| 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 |
| Product Color | Transparent |
| Primary Liner | 60# Densified Kraft, Silicone Treated Paper |
| 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% |
| Maximum Operating Temperature (Fahrenheit) | 225°F |
| Maximum Operating Temperature (Celsius) | 107°C |
| Minimum Operating Temperature (Fahrenheit) | -30°F |
| Minimum Operating Temperature (Celsius) | -34°C |
| Shelf Life | 18 months from date of manufacture |
| Product Form | Roll |
| Units per Case | 6 rolls |
| Smallest Saleable Unit | Roll |
| Application | General Industrial |
| Specifications Met | ASTM D3330, ASTM D3652, ASTM D3759 |
| Industries Served | Aerospace, Appliance, Automotive, Electronics, General Industrial, Metalworking, Military & Government, Specialty Vehicles, Transportation |
| Coefficient of Friction | Low - creates slip plane effect |
| Chemical Resistance | Good |
| Brand | 3M™ |
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