What is 3M420?
3M420 is a high-quality dark silver lead foil tape produced by 3M. Engineered with a flexible lead foil backing and a robust rubber-based adhesive, this tape offers exceptional conformability, chemical resistance, and a reliable bond even in demanding environmental conditions. Ideal for applications requiring flame retardance, UV resistance, and moisture protection, it ensures dependable performance across various industries.
Composition and Structure
- Backing: Lead foil for superior flexibility, conformability, and flame retardance
- Adhesive: Rubber-based adhesive for strong bonding to a variety of surfaces
- Color: Dark silver for easy identification and aesthetic use in assembly and sealing
- Roll size: 400 mm width x 55 m length, 6.8 mil thickness, available in bulk packaging
- Designed for excellent moisture, weather, and UV degradation resistance
Key Properties
- Excellent conformability to curved, uneven, or complex surfaces
- Strong adhesive performance on materials such as metals, plastics (ABS, PVC), and glass
- Good initial tack and long-term adhesion in both indoor and outdoor environments
- High tensile strength, resisting tearing and stretching forces
- Flame retardant and moisture resistant, enhancing safety and longevity
- Excellent resistance to UV radiation and chemical corrosion, including acids, alkalis, and organic solvents
- Maintains bonding performance in a wide temperature range
Applications of 3M420
- Electronics: Fixing electronic components and circuit boards in manufacturing and repair
- Automotive: Securing automotive interior and exterior parts, and protection of sensitive areas
- Construction: Pasting decorative materials like tiles or panels, sealing joints and gaps
- Packaging: Sealing boxes and packages exposed to harsh environments
- Chemical and laboratory equipment: Labeling and fixing in chemical processing environments
- Signage: Outdoor signboard bonding, ensuring long-lasting adhesion in changing weather conditions
Features & Benefits of 3M420
- Excellent bond strength for reliable adhesion to various surfaces
- High flexibility and conformability for seamless application to curved or complex surfaces
- Resistant to flame, moisture, and weather for reliable outdoor and indoor use
- Good tensile strength, resisting mechanical stretching and external forces
- Strong chemical resistance ensures stable performance even in harsh environments
- Wide temperature range for versatile industrial applications
- Easy handling and application, ensuring quick and efficient operations
Comparison with Other Adhesive Tapes
- 3M420’s lead foil backing offers superior flexibility and chemical resistance compared to typical aluminum or cloth-based tapes
- The rubber-based adhesive ensures better performance on uneven and curved surfaces
- Enhanced resistance to UV, chemicals, and weather compared to standard foil tapes
- Flame retardance and moisture resistance set it apart from common tapes used in industrial or automotive applications
Why Choose VST Malaysia?
At VST Malaysia, we provide 3M420 lead foil tape as part of our high-performance industrial adhesive tape solutions. Our commitment to quality and reliability ensures you receive the best products and expert support for your most demanding bonding and sealing needs.