What is the difference between acrylic double-sided tape
and foam double-sided tape？
There are significant differences between acrylic double-sided tape and foam double-sided tape in terms of substrate, performance, and application scenarios. The following is a specific comparison:
1. Substrate and Structure
Acrylic double-sided adhesive: made of fully acrylic material as the substrate, covered with release film or release paper, with a pure acrylic adhesive layer and no foam structure.
Foam double-sided tape: The substrate is foam (such as PE, EVA, PU or acrylic foam), and both sides are coated with adhesive (acrylic, hot melt adhesive, etc.), with a porous cushioning structure.
2. Performance characteristics
| Characteristics | Acrylic double-sided tape | foam double-sided tape |
| Adhesive force | Super strong viscosity, suitable for high surface energy materials | Strong adhesion, but weaker than acrylic adhesive |
| Buffering capacity | No buffering function | Excellent shock absorption and cushioning performance (especially EVA/PU foam) |
| Temperature resistance | -40 ℃~150 ℃ (can withstand higher temperatures in the short term) | -20 ℃~120 ℃ (PE/PU foam) |
| Waterproof/weather resistance | Waterproof, airtight, UV resistant | Waterproof, but some substrates have poor weather resistance |
| Applicable surface | Smooth surfaces such as glass, metal, plastic, etc | Curved and irregular surfaces (such as car trim) |
3. Application scenarios
Acrylic double-sided tape:
Automotive industry: car emblem, anti scratch strip, sealing strip;
Electronic devices: LCD panels, metal frame bonding;
Architecture: Glass curtain wall, fixed with aluminum panels.
Foam double-sided tape:
Electronic products: shock absorbers for mobile phones, mechanical panels;
Home: hooks, fixed toys;
Car: Decorative strips, label pasting (need to buffer the scene).
4. Other differences
Thickness selection: Acrylic tape is usually thinner (0.1-1mm), while foam tape can reach up to 50mm.
Color: Acrylic adhesive is mostly transparent/semi transparent, while foam adhesive comes in white, black, gray, etc.
Summary: Acrylic adhesive is more suitable for high-strength and weather resistant bonding, while foam adhesive focuses on cushioning and surface adaptation.
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