50μm Transparent Structure, High Adhesion, TESA 4945 Suitable for Bonding Metal, Plastic, and Foam
In industrial applications such as bonding metal and plastic nameplates, foam lamination, and optical module assembly, the initial tack, environmental resistance, certification compliance, and eco-friendliness of adhesive tapes are increasingly becoming critical selection criteria. TESA 4945 is a compact and stable transparent double-sided industrial tape with excellent surface adaptability and long-lasting adhesion. It is UL 969 and ISO skin contact certified, making it widely applicable in high-standard industry scenarios.
I. Core Product Positioning
TESA 4945 is a double-sided tape featuring a transparent PET carrier coated with modified acrylic adhesive, specifically designed for:
✔ Bonding and fixing metal and plastic logos/nameplates
✔ Laminating foam and thin-film structures
✔ Delivering strong initial tack even on low-surface-energy (LSE) materials
✔ Bonding processes requiring safety or regulatory certifications such as UL 969 and ISO 10993-5/10
II. Technical Specifications Overview
| Parameter Category | Technical Specifications | Industry Significance |
|---|---|---|
| Carrier Type | PET Film (Transparent) | Provides dimensional stability, tensile resistance, and die-cutting compatibility |
| Total Thickness | 50 μm | Enables precise bonding without adding bulk, ideal for compact designs |
| Adhesive Type | Modified Acrylic | Strong adhesion, compatible with various substrates, including LSE materials |
| Liner Type | Glassine Paper (Brown/Blue Print) | Easy die-cutting and automated application, smooth tape release |
| Elongation at Break | 50% | Maintains flexibility for curved or slightly contoured structures |
| Tensile Strength | 20 N/cm | Meets the fixing requirements for medium-weight components like nameplates/foam |
| Long-Term Temp. Resistance | 100 °C | Suitable for most electronics and appliances under normal operating conditions |
| Short-Term Temp. Resistance | 200 °C | Withstands hot-press processes or short-term high-temperature operations |
| Moisture Resistance | Excellent | Ensures stable adhesion in humid or fluctuating environments |
| Eco-Certifications | Low VOC (VDA 278), ISO 10993 Skin Contact Certified | Complies with consumer goods, medical enclosures, or skin-contact requirements |
| Standard Certifications | UL 969 (Label/Identification Tape Certification) | Meets durability and safety standards for electronic labels and nameplates |
III. Five Core Advantages
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50μm Transparent Structure, Precision Without Compromising Aesthetics
TESA 4945 is only 50μm thick, making it nearly invisible after application. It does not block light or interfere with structural appearance, making it ideal for internal or visible-area bonding, such as badges, transparent panels, or foam structures. -
Compatible with Low-Surface-Energy Materials, Bonds Well to PP/PE Substrates
Though not a dedicated LSE product, TESA 4945’s modified acrylic adhesive system offers strong compatibility with LSE materials like PP, PE, and ABS, outperforming standard tapes. -
Authoritative Certifications for Reliable Applications
UL 969 certified for permanent label and nameplate bonding; compliant with ISO 10993-5 and 10993-10, making it suitable for consumer electronics or medical devices requiring skin-contact safety. -
Temperature and Moisture Resistant, Ensures Long-Term Stability
Whether in humid environments, long-term use, or short-term high-temperature bonding processes, TESA 4945 maintains stable adhesion without peeling or residue. -
Eco-Friendly, Low VOC, Aligns with Green Manufacturing Standards
Complies with VDA 278 low-VOC standards, suitable for eco-conscious brands and compliant production management.
IV. Typical Applications
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Plastic or Metal Nameplate Bonding: For logos/nameplates on appliances like air conditioners, washing machines, and displays.
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Foam Lamination: Used in touch modules, cushion pads, keyboard underlays, etc.
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Label and Identification Bonding: Meets UL 969 standards for permanent labeling.
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Consumer Electronics Assembly: For internal component bonding, fixing plates, etc.
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Skin-Contact Applications: Wearable device enclosures, medical equipment housing, etc.
V. Technical Q&A
❓ Q: Can TESA 4945 only bond polar materials? Does it work on LSE surfaces?
→ A: Yes, it can. The modified acrylic adhesive provides strong adhesion to both polar and some LSE materials (e.g., PP, PE, ABS) without priming.
❓ Q: Is it suitable for high-temperature environments? Will hot-press bonding cause failure?
→ A: No. TESA 4945 withstands short-term exposure to 200°C, making it suitable for hot-press processes, while long-term use is stable up to 100°C.
❓ Q: What certifications does it have? Is it suitable for medical or consumer products?
→ A: It is UL 969 certified for nameplates/labels and complies with ISO 10993-5/10 for skin contact safety, making it ideal for high-standard industries requiring low VOC and biocompatibility.