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3M™ VHB™ Tape 4941P is a double-coated, closed-cell, pressure-sensitive, conformable acrylic foam tape.
Gray in color, 1.1 mm thick.
Temperature resistance up to 149°C for short periods and a density of 720 kg/m³.
P version with paper liner.
3M™ VHB™ 4941P Double-sided tape in acrylic foam, Grey, 25 mm x 33 m x 1.1 mm, paper liner
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3M™ VHB™ Tape 4941P is a double-coated, closed-cell, pressure-sensitive, conformable acrylic foam tape.
Gray in color, 1.1 mm thick.
Temperature resistance up to 149°C for short periods and a density of 720 kg/m³.
P version with paper liner.
Shipping Exworks. To arrange transportation, check the technical documents of the product
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3M VHB 4941P is a highly conformable and durable double-sided acrylic foam tape.
3M VHB 4941P is designed for structural bonds on high- and medium-surface-energy (HSE/MSE) materials such as metals and engineering plastics. It features a universal gray acrylic adhesive on both sides of a 1.1 mm thick conformable foam core. The combination of strength, conformability, and adhesion makes this line one of the most effective and versatile of the 3M VHB tape families.
Thanks to its viscoelastic structure, it is an ideal solution for replacing screws, rivets, and welds, offering high strength and long-lasting durability.
Key Features
Recommended for:
- Lightweight carpentry and paneling
- Metal-to-metal assembly
- Plastic component fastening
- HVAC and industrial applications
- Automotive (primary non-structural parts)
Perfect as a versatile, multi-material structural solution
Choose 3M VHB 4941P if you need:
- An alternative to mechanical fasteners or welding
- High adhesion to metals and engineering plastics (ABS, PC)
- Ability to absorb vibrations and mechanical stress
- 1.1 mm thickness to compensate for tolerances and surface irregularities
- Resistant to outdoor environments, UV rays, and solvents
- Seals against water and humidity
- Invisible fastening, with a clean, seamless surface appearance
Technical Features and Benefits for Industrial Applications
High-strength structural fastening
- Designed to replace screws and rivets
- Distributes stress evenly
- Reduces stress points and material fatigue
Viscoelastic acrylic foam core
- Conforms to Surfaces
- Compensates for tolerances and irregularities
- Ensures complete contact
- Improves joint reliability
High adhesion on HSE and MSE
- Metals, aluminum, steel, galvanized steel
- ABS
- Polycarbonate
- Broad industrial compatibility
Advanced environmental resistance
- UV
- Moisture
- Solvents
- Ideal for indoor and outdoor applications
Vibration and shock dampening
- Absorbs vibrations
- Reduces noise and stress
- Increases assembly life
Thermal resistance
- Up to approximately 149°C short-term
Technical Specifications
| Property | Value |
| Type | Double-sided acrylic foam tape |
| Core | Comformable acylic foam |
| Liner | Densified Kraft paper |
| Total thickness | 1,1 mm |
| Temperature resistance | 149ºC (300ºF) short-term 93ºC (50ºF) |
| Recommended application temperature | Above 10ºC (50ºF) |
3M™ VHB™ Adhesive 4941P Material Compatibility
3M™ VHB™ Adhesive 4941P bonds effectively to:
- Aluminum
- Stainless Steel
- Galvanized Steel
- Plexiglass (PMMA)
- Polycarbonate
- ABS
- Painted Surfaces
- Composites
Frequently Asked Questions (FAQ)
Q: On which materials does 3M VHB Adhesive 4941P work best?
A: Excellent adhesion on high (HSE) and medium (MSE) surface energy surfaces. It is especially suitable for metals (aluminum, stainless steel) and plastics (such as polycarbonate, ABS, and PMMA).
Q: Is the bond instantaneous?
A: The pressure-sensitive adhesive bonds on contact to provide immediate handling resistance. After 72 hours, it reaches 100% bond strength.
Q: How should the surface be prepared before application?
A: For optimal adhesion, the surface must be clean (with a 50:50 mixture of isopropyl alcohol and water), dry, and degreased. For very smooth surfaces or critical plastics, 3M Primer 94 may be necessary.
Q: Is 3M VHB Tape 4941P outdoor-resistant?
A: Yes. It has excellent resistance to UV, moisture, and solvents.
Data sheet
- Brand
- 3M
- Format (width x length)
- 25 mm x 33 m
- Thickness
- 1.1 mm
- Colour
- Grey
- Units per package
- 4 rolls
- EAN-Code
- 0000049412533
- Type of price
- one roll
- Status
- A
- Density
- 720 kg/m³
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