Benefits
Reliable Initial Bonding
Tesa 4943 provides high initial tack, helping support efficient bonding during assembly and laminating processes.
Actual bonding performance depends on the substrate, surface condition, application pressure, and contact time.
Versatile Material Lamination
The tape can be evaluated for laminating selected foam, textile, and leather materials.
Material compatibility should be confirmed through testing, particularly for porous, flexible, textured, or treated substrates.
Good Shear Resistance
Tesa 4943 provides good shear resistance under selected test conditions. Actual shear performance depends on the bonding area, load, temperature, and application design.
Thin Non-Woven Construction
The 100 μm tape construction may be suitable for applications where a relatively thin adhesive layer is required for mounting or laminating.
Suitable for Various Applications
The tape is designed for selected applications involving:
- Signs
- Covers
- Nameplates
- Foam materials
- Textiles
- Leather
- Bags and envelopes
- Splicing applications
Technical Specifications
The following values are representative or typical and should not be used as product specifications.
| Property | Typical Value |
|---|---|
| Product Name | Tesa 4943 |
| Product Type | Double-sided non-woven adhesive tape |
| Total Thickness | 100 μm |
| Backing Material | Non-woven |
| Adhesive Type | Solvent-based tackified acrylic |
| Tape Color | Translucent |
| Liner Type | PE-coated paper |
| Liner Color | White |
| Liner Thickness | 120 μm |
| Elongation at Break | 2% |
| Tensile Strength | 9 N/cm |
| Tack | Good |
| Static Shear Resistance at 23°C | Good |
| Static Shear Resistance at 40°C | Medium |
| Static Shear Resistance at 70°C | Good |
| Humidity Resistance | Good |
| UV Ageing Resistance | Good |
| Chemical Resistance | Medium |
| Short-Term Temperature Resistance | 100°C |
| Long-Term Temperature Resistance | 70°C |
Typical Adhesion Values
| Substrate | Initial Adhesion | After 14 Days |
|---|---|---|
| ABS | 6.6 N/cm | 7.1 N/cm |
| Aluminium | 3.6 N/cm | 4.2 N/cm |
| Polycarbonate (PC) | 7.7 N/cm | 7.1 N/cm |
| PET | 4.6 N/cm | 5.4 N/cm |
| Polypropylene (PP) | 3.0 N/cm | 4.0 N/cm |
| Polystyrene (PS) | 6.9 N/cm | Not specified |
| PVC | 6.1 N/cm | 10.8 N/cm |
| Steel | 5.5 N/cm | 8.1 N/cm |
Technical Disclaimer
The values above are average or typical test results and are not guaranteed specifications. Performance may vary according to the substrate, surface preparation, application pressure, dwell time, temperature, and testing method.
Customers should consult the latest tesa technical documentation before material selection or mass production.
Applications
Tesa 4943 is designed for selected mounting, laminating, sealing, and splicing applications.
Foam Lamination
Potential applications include:
- Foam lamination
- Foam material attachment
- Cushioning material assembly
- Selected foam mounting applications
The tape’s suitability depends on foam density, surface structure, flexibility, and repulsion forces.
Leather and Textile Lamination
Tesa 4943 can be evaluated for laminating:
- Leather
- Textile materials
- Fabric components
- Selected flexible materials
Testing is recommended for porous, textured, or surface-treated materials.
Mounting Lightweight Parts
The tape is designed for mounting light parts such as:
- Signs
- Covers
- Nameplates
- Decorative components
- Lightweight plastic parts
The bonding area and load should be evaluated before production.
Bag and Envelope Sealing
Potential applications include:
- Bag sealing
- Envelope sealing
- Packaging-related bonding
- Paper and film attachment
The actual suitability depends on the bag or envelope material and required sealing performance.
Splicing
Tesa 4943 may be evaluated for selected splicing applications involving paper, film, and other compatible web materials.
Splicing performance should be tested according to the web material, line speed, tension, and processing conditions.
Custom Adhesive Components
The tape may be considered for selected converting applications, including:
- Adhesive pads
- Nameplate components
- Foam laminating parts
- Custom adhesive shapes
- Kiss-cut adhesive components
Compatible Materials
Tesa 4943 may be evaluated for bonding the following material categories:
- ABS
- Polycarbonate (PC)
- PET
- Polypropylene (PP)
- Polystyrene (PS)
- PVC
- Aluminium
- Steel
- Foam materials
- Leather
- Textile
- Paper
- Film materials
Material Compatibility Considerations
The listed materials should not be considered universally compatible. Actual performance depends on:
- Surface energy
- Surface cleanliness
- Surface roughness
- Material flexibility
- Coating or surface treatment
- Plasticizer content
- Bonding pressure
- Contact area
- Environmental conditions
Additional testing is recommended for low-surface-energy plastics, porous materials, coated surfaces, and substrates containing plasticizers.
Industries
Tesa 4943 may be considered for selected applications in the following industries:
- Foam converting
- Textile and leather processing
- Furniture and interior products
- Sign and nameplate manufacturing
- Packaging
- Paper and film converting
- Industrial assembly
- Plastic component manufacturing
- Consumer products
- General manufacturing
The final product selection should be based on the actual substrate, application conditions, and performance requirements.
Why Choose Yousan?
Yousan provides adhesive tape converting and precision die-cutting services for industrial and commercial applications.
Our potential services include:
- Custom-width slitting
- Precision die cutting
- Kiss cutting
- Laminating
- Foam tape converting
- Custom adhesive component production
- OEM and ODM converting
- Roll-to-roll processing
Custom Converting of tesa 4943
Tesa 4943 may be evaluated for custom adhesive components used in foam lamination, nameplate mounting, textile bonding, and lightweight part assembly.
For a technical review, customers can provide:
- Product drawings or CAD files
- Material specifications
- Part dimensions
- Dimensional tolerances
- Required quantity
- Bonding substrate details
- Packaging requirements
- Application conditions
Final converting feasibility depends on the tape construction, liner configuration, part geometry, and production requirements.
Installation Guide
Step 1: Prepare the Surfaces
Ensure that the bonding surfaces are clean, dry, and free from dust, oil, grease, release agents, and other contaminants.
Step 2: Check Material Compatibility
Test the tape on the actual substrates before production. Particular attention should be given to foam, leather, textile, porous, and coated materials.
Step 3: Apply the Tape
Apply the tape evenly to the first substrate. Avoid touching or contaminating the adhesive surface.
Step 4: Remove the Liner
Remove the PE-coated paper liner carefully to avoid wrinkles or contamination.
Step 5: Position the Second Substrate
Align the second substrate accurately and ensure sufficient contact across the bonding area.
Step 6: Apply Uniform Pressure
Apply suitable pressure to promote adhesive contact and minimize air entrapment.
Step 7: Validate the Bond
Before mass production, evaluate:
- Initial adhesion
- Final adhesion
- Peel strength
- Shear performance
- Material compatibility
- Environmental durability
- Dimensional stability
Storage
Store tesa 4943 in its original packaging and protect it from:
- Direct sunlight
- Excessive heat
- Moisture
- Dust and contamination
- Extreme temperature fluctuations
Specific storage temperature, relative humidity, shelf life, and handling requirements should be confirmed in the latest applicable tesa documentation.
Storage conditions and duration may affect adhesive performance.
FAQ
1. What is tesa 4943?
Tesa 4943 is a 100 μm translucent double-sided non-woven tape with a solvent-based tackified acrylic adhesive and a PE-coated paper liner.
2. What is tesa 4943 used for?
It is designed for laminating leather, textiles, and foams, mounting lightweight parts, sealing bags and envelopes, and selected splicing applications.
3. How thick is tesa 4943?
The total tape thickness is approximately 100 μm.
4. What type of adhesive does tesa 4943 use?
Tesa 4943 uses a solvent-based tackified acrylic adhesive.
5. Is tesa 4943 suitable for foam bonding?
Yes. The product is designed for selected foam lamination and mounting applications. Foam type, density, surface condition, and repulsion forces should be evaluated.
6. Can tesa 4943 be used on plastic materials?
It may be evaluated on selected plastics, including ABS, PC, PET, PP, PS, and PVC. Actual compatibility must be confirmed through testing.
7. Is tesa 4943 suitable for PP?
The product has published adhesion values on PP. However, PP is a low-surface-energy material, so application-specific testing is recommended.
8. What is the temperature resistance of tesa 4943?
The typical short-term temperature resistance is 100°C, while the typical long-term temperature resistance is 70°C.
9. Can tesa 4943 be used for die cutting?
The tape may be evaluated for selected die-cutting and converting applications. Actual performance depends on the tape construction, liner, shape, and tolerance requirements.
10. Is tesa 4943 waterproof?
The product has good humidity resistance, but waterproof performance should not be assumed without application-specific testing and supporting technical documentation.
11. Is tesa 4943 suitable for high-temperature applications?
It is not positioned as a dedicated high-temperature tape. Its typical temperature resistance is 100°C for short-term exposure and 70°C for long-term exposure.
12. Can Yousan provide custom tesa 4943 converting?
Yousan can review potential slitting, laminating, and die-cutting requirements. Feasibility depends on the tape construction, product design, tolerance, and production volume.
Downloads
Available upon request:
- Tesa 4943 Technical Data Sheet (TDS)
- Safety Data Sheet (SDS)
- Product Brochure
- Precision Die-Cutting Capability Guide
Please contact our sales team if you require the latest technical documentation.
