What is 3m5981-40?
3m5981-40 is a high-strength double-sided tape from the VHB series developed by 3M. With a thickness of 0.40mm and a PET carrier embedded in the foam core, it combines superior adhesion, reliable structure, and environmental responsibility through its 35% biocontent. It is optimized for use in sensitive electronic and smart devices where durability, vibration resistance, and compact thickness are critical.
Composition and Structure
- Thickness: 0.40mm
- Width: Commonly available in 20mm and other customizable sizes
- Length: Typically supplied in 5m rolls, with customization available
- Adhesive system: VHB (Very High Bond)
- Carrier: PET layer in the middle of the foam core
- Biocontent: 35% (tested per ASTM 6866)
Key Properties
- Strong bonding strength for electronic applications
- Thin profile suited for compact device assembly
- PET core improves ease of cutting and removal
- Excellent resistance to vibration and impact
- Maintains reliable adhesion in high or low temperatures
- Eco-friendly with 35% biobased material
- Superior anti-warping performance for long-term reliability
Applications of 3m5981-40
- Electronic equipment: Used for bonding batteries, displays, lenses, FPCs, and controller assemblies in various electronic devices
- IoT smart devices: Ideal for smart speakers, smartwatches, AR/VR headsets, and smart cameras
- Automotive electronics: Fixes dashboards, sensors, and display units within vehicle interiors
- Smart home appliances: Bonds frames of smart TVs and components of smart speakers for stability and clean aesthetics
- Wearable devices: Suitable for assembling straps, screens, batteries, and internal modules of smartwatches and fitness trackers
Features & Benefits of 3m5981-40
- High-strength VHB bonding suitable for delicate electronic components
- Thin design ensures compact integration
- PET core enhances clean cutting and precision placement
- Reduces mechanical stress through vibration damping
- Withstands shock, impact, and environmental variations
- Contributes to sustainability through biocontent formulation
Comparison with Other Adhesive Tapes
- Thicker than 3m5980-150 and 3m5980-250, providing better impact resistance
- Contains PET core unlike standard VHB foam tapes, improving cut precision
- Offers biobased content advantage over other industrial foam tapes
- Tailored specifically for use in high-end smart electronics and wearables
Why Choose VST Malaysia?
VST Malaysia offers genuine 3m5981-40 tape with reliable stock, technical expertise, and responsive support. We understand the precision needs of advanced industries and ensure timely delivery, competitive pricing, and trusted service to support your production requirements.