Premium UHMW polyethylene protective tape with low-friction slip plane effect for industrial wear protection, noise reduction, and surface abrasion resistance in aerospace and automotive applications.
3M™ UHMW Film Tape 5421 is a high-performance polyethylene-based protective tape designed for industrial applications requiring superior abrasion resistance and low-friction surfaces. This transparent, thin-caliper tape features an ultra-high molecular weight polyethylene (UHMW-PE) backing that creates a unique "slip plane" effect, allowing contact between surfaces without causing wear. The tape measures 4 inches in width, 18 yards in length, with a total thickness of 6.7 mil, and comes in a convenient 3-roll case format.
The tape is engineered with a rubber adhesive that provides excellent initial tack for immediate bonding to material surfaces. Its translucent, abrasion-resistant backing helps protect surfaces from wear while maintaining flexibility and durability. The low coefficient of friction characteristic makes it ideal for applications where lubrication is not possible due to contamination concerns. UHMW-PE material offers exceptional hardness, low surface energy, and superior impact strength, making it more durable than PTFE in abrasion-resistant applications.
This versatile industrial tape is mounted on a 60# densified kraft paper liner with silicone treatment, making it ideal for die-cutting and fabrication into various lengths and shapes. It is specifically designed for aerospace, automotive, printing, and MRO industries, and is commonly used to protect plastic and metal chutes, guide rails, conveyor systems, and containers from wear and damage. The tape effectively reduces squeaks, rattles, and other noises that occur with movement and vibration.
Key Features
- Ultra-high molecular weight polyethylene (UHMW-PE) backing for exceptional durability and impact strength
- Low coefficient of friction creates slip plane effect for wear-free surface contact
- Translucent, abrasion-resistant backing protects surfaces from wear and damage
- Rubber adhesive provides excellent initial tack for immediate bonding
- Silicone-treated kraft paper liner enables easy die-cutting and fabrication
- Reduces squeaks, rattles and vibration-related noises from moving parts
- Superior abrasion resistance exceeding PTFE performance
- Ideal for contamination-sensitive applications where lubrication is not possible
- Suitable for aerospace, automotive, printing and MRO industries
- Chemical resistant with 18-month shelf life from date of manufacture
Technical Specifications
| Specification |
Value |
| Product Number | 5421 |
| Brand | 3M™ |
| Overall Width (Imperial) | 4 inches |
| Overall Width (Metric) | 10.2 cm |
| Overall Length (Imperial) | 18 yards |
| Overall Length (Metric) | 16.5 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 (Carrier) Thickness (Imperial) | 5 mil |
| Backing (Carrier) Thickness (Metric) | 0.13 mm |
| Adhesive Type | Rubber |
| Back Side Adhesive Thickness (Imperial) | 1.7 mil |
| Back Side Adhesive Thickness (Metric) | 0.04 mm |
| Product Color | Transparent |
| Product Form | Roll |
| Primary Liner | 60# Densified Kraft, Silicone Treated Paper |
| Units per Case | 3 rolls |
| Smallest Saleable Unit | Roll |
| 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 |
| Application | General Industrial |
| Industries | Aerospace, Appliance, Automotive, Electronics, General Industrial, Metalworking, Military & Government, Specialty Vehicles, Transportation |
| Specifications Met | ASTM D3330, ASTM D3652, ASTM D3759 |
| Shelf Life | 18 months from date of manufacture |
| UPC Code | 00021200144554 |
| 3M ID | 7000050053 |
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