45Mil 3M 4941 VHB Double-Sided Foam Tape
Specifications
3M VHB Tape 4941 is a conformable, double-sided, pressure-sensitive, closed-cell acrylic foam tape.45Mil 3M 4941 VHB Double-Sided Foam Tape
- Incredible VHB strength guarantees a strong bond.
- Soft conformable foam molds to irregular surfaces.
- Bonds well to painted metals, plastic and glass.
- Durable
- Clean appearance
- Die cuttable
Application Techniques
1. Bond strength is dependent upon the amount of adhesive-tosurface contact developed. Firm application pressure develops better adhesive contact & thus improves bond strength.
2. To obtain optimum adhesion, the bonding surfaces must be clean dry and well unified. A typical surface cleaning solvent is isopropyl alcohol & water. Use proper safety precautions for handling solvents.
3. Ideal tape application temperature range is 20°C to 40°C. Initial tape application to surfaces at temperatures below 15°C is not recommended because the adhesive becomes too firm to adhere readily. However once properly applied low temperature holding is generally satisfactory.
Applications
This product has been found to be particularly suitable for bonding wooden (primed), aluminium (anodised) and PVC Georgian glazing bars (muntin bars) to glazing units. The plasticiser resistant adhesive also allows for successful bonding of flexible PVC Glazing bars.
The conformable nature of the acrylic foam core allows for good 'wetting out' of the adhesive to the glass surface thus providing good adhesive to surface contact. Also, good contact eliminates unsightly air bubbles. Primers might be appropriate when bonding such systems.
VHB 4941 tape has also been found excellent when bonding to relatively irregular surfaces such as grained wood.
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