FT 7961 Scrim Reinforced Packaging Tape
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Avery Dennisonβ’ FT 7961 is a double-coated scrim tape featuring a UV-cured acrylic adhesive system, specifically designed for high-performance bonding applications where durability, temperature resistance, and dimensional stability are critical. This tape is ideal for use on a wide variety of substrates, including foams, fibers, and more. It is protected by a Havana-colored glassine liner for ease of handling and application.
Key Features:
UV-Cured Pure Acrylic Adhesive: Offers superior adhesion properties, ensuring a strong bond and excellent resistance to environmental stressors such as heat and chemicals.
Scrim Carrier: The tape's scrim carrier adds enhanced dimensional stability and strength, making it suitable for use on flexible and low-density substrates like PU foam.
Easy Release Liner: The Havana-colored glassine liner makes removal easy and efficient, facilitating fast application and reducing handling errors.
Benefits:
Optimum Adhesion:
FT 7961 offers excellent initial adhesion on various substrates, including foams and fibers, and provides strong bond performance even in demanding conditions, such as exposure to high temperatures and chemicals.
High Temperature and Chemical Resistance:
The tape performs well even in extreme environments, with a minimum continuous operating temperature of 248Β°F (120Β°C) and a maximum intermittent temperature of 284Β°F (140Β°C), making it suitable for applications in industries like automotive and electronics.
Eco-Friendly Manufacturing:
Produced using an eco-friendly process that does not emit harmful pollutants, this tape aligns with environmentally conscious manufacturing standards.
Low Fogging Characteristics:
FT 7961 is designed with low fogging characteristics, making it ideal for interior applications, where aesthetics and clean air quality are important.
Visual Quality Control:
The transparent nature of the carrier and adhesive system facilitates visual inspection of the application, ensuring the end product meets quality standards.
Easy Removal at Point of Application:
The easy release liner ensures that the tape can be quickly and cleanly applied without leaving any residue, providing flexibility for temporary bonding needs.
Reinforces Low-Density Substrates:
The scrim carrier provides dimensional stability, helping to reinforce low-density PU foam substrates and prevent distortion during handling and application.
Construction:
Liner: The tape features a Havana-colored glassine liner, which ensures a smooth release and easy handling.
Adhesive: FT 7961 uses acrylic adhesive on both sides, providing strong adhesion while maintaining easy removability.
Carrier: The polyester scrim carrier provides the tape with added strength, dimensional stability, and flexibility, making it suitable for both rigid and flexible surface applications.
Adhesive Properties:
Thickness (ASTM D3652):
Liner: 3.1 mils (0.08 mm)
Carrier and Adhesives: 3.1 mils (0.08 mm)
Total Caliper: 6.2 mils (0.16 mm)
Peel Adhesion (ASTM D3330) at Room Temperature:
Stainless Steel (20 min dwell): 4.9 lbf/in (78 oz/in, 849 N/m)
Polycarbonate (20 min dwell): 5.5 lbf/in (88 oz/in, 960 N/m)
Painted Steel (20 min dwell): 5.7 lbf/in (91 oz/in, 1000 N/m)
Loop Tack (ASTM D6195):
Stainless Steel (Initial): 2.9 lbf/in (46 oz/in, 501 N/m)
Static Shear (ASTM D3654):
Stainless Steel (Initial): > 2,100 minutes (1000 g, 6.25 cmΒ²)
Temperature Resistance:
Minimum Application Temperature: 50Β°F (10Β°C)
Minimum Continuous Operating Temperature: 248Β°F (120Β°C)
Maximum Intermittent Operating Temperature: 284Β°F (140Β°C)
Application Techniques:
Surface Preparation: To ensure optimal bond strength, the surface should be clean, dry, and free from grease, oil, or other contaminants. Proper surface preparation is key to achieving the best results.
Pressure and Time: Bond strength will depend on the amount of adhesive-to-surface contact, which can be influenced by varying the pressure and time of application. Adjust pressure as needed to maximize the bond strength.
Temperature Considerations: For best performance, apply the tape within the specified temperature range, and ensure the surfaces are within the required temperature range before bonding.
Storage and Shelf Life:
Shelf Life: The tape has a shelf life of up to two years when stored properly.
Storage Conditions: Store the tape in a cool, dry place (64-72Β°F or 18-22Β°C) with 30-70% relative humidity. Keep the tape out of direct sunlight and in its original packaging to preserve its adhesive properties.
Applications:
Automotive: Used in the bonding of trim, seals, and panels, particularly in applications requiring high-temperature resistance.
Electronics: Ideal for mounting and bonding applications in electronic devices that require reliable adhesion and temperature stability.
Foam Bonding: FT 7961 is well-suited for bonding flexible substrates, such as foams, to surfaces in the furniture, mattress, and automotive industries.
General Industrial Applications: Suitable for a variety of general industrial bonding applications that require strong adhesion, temperature resistance, and clean removability.
Conclusion:
Avery Dennisonβ’ FT 7961 is a high-performance double-coated scrim tape, offering superior adhesion, excellent temperature and chemical resistance, and dimensional stability for a wide range of industrial applications. Its UV-cured acrylic adhesive and scrim carrier provide the strength and durability required for challenging bonding tasks, while the easy release liner ensures quick and hassle-free application. Whether for automotive, electronics, or foam bonding applications, FT 7961 delivers reliability and performance, even in the most demanding environments.
