FT Y218 Double Coated Packaging Tapes
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Long Description
Avery Dennisonβ’ FT Y218 is a high-tack, double-coated tissue tape engineered for general-purpose bonding applications. Utilizing a soft, aggressive, and easy-flowing synthetic rubber adhesive, FT Y218 provides excellent performance on a wide range of substrates, including low surface energy materials like polyethylene and polypropylene. Its versatile design makes it ideal for foam and fiber bonding, insulation, and splicing applications in industries such as automotive, construction, HVAC, and general assembly.
Key Features
Extremely High Tack Adhesive: Offers strong and immediate bonding capabilities, even on challenging low-energy surfaces.
Low-Density, Open Tissue Carrier: Delivers excellent conformability and flexibility, ensuring reliable performance on irregular or contoured surfaces.
Easy Release Liner: The white glassine liner promotes smooth handling, converting, and die-cutting processes, and facilitates easy removal at the point of application.
Benefits
Strong Initial Adhesion: Bonds quickly and effectively to a wide variety of surfaces including metals, plastics, foams, and painted substrates.
High Conformability: The open tissue carrier adapts easily to curves, textures, and complex surfaces, while still maintaining a strong anchor to low-density foams.
User-Friendly Application: The easy-release liner allows for hassle-free removal and positioning during application, making it well-suited for both manual and automated processes.
Construction Details
Liner: White glassine (thickness: 67 Β΅m / 0.067 mm)
Adhesive: Permanent synthetic rubber (both sides of the tissue carrier)
Carrier: Low-density tissue
Total Thickness (with liner): 157 Β΅m / 0.157 mm
Adhesive Performance (Typical Values)
Peel Adhesion (ASTM D3330 β 180Β° @ Room Temp):
| Substrate | 20 Min Dwell | 24 Hr Dwell |
|---|---|---|
| Stainless Steel | 680 N/m | 715 N/m |
| Polycarbonate | 650 N/m | 660 N/m |
| Painted Steel | 680 N/m | 685 N/m |
| Rigid Polypropylene | 540 N/m | 545 N/m |
Loop Tack (ASTM D6195):
Glass (Initial): 1250 N/m β indicating very strong quick-stick capability.
Static Shear (ASTM D3654):
Stainless Steel (1βΒ², 1000g @ RT): > 3000 minutes β demonstrating excellent holding power under sustained load.
Temperature Resistance
Minimum Application Temperature: 50 Β°F (10 Β°C)
Service Temperature Range: -40 Β°F to 140 Β°F (-40 Β°C to 60 Β°C)
This makes FT Y218 suitable for both indoor and controlled-environment outdoor applications, where moderate thermal exposure is expected.
Application Techniques
To achieve optimal bond strength:
Ensure bonding surfaces are clean, dry, and free from contaminants such as oil, grease, or dust.
Bonding performance is dependent on adequate adhesive-to-surface contact, which is influenced by the applied pressure, dwell time, and temperature.
Always test on specific substrates under actual application conditions to confirm suitability.
Storage and Shelf Life
FT Y218 maintains its performance characteristics for up to two years when stored in its original packaging at 64β72 Β°F (18β22 Β°C) and 30β70% relative humidity, away from direct sunlight.
