FT 8455 Double Coated Tape
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Avery Dennison Corporation
FM-246
Packaging, Weighing, Measuring & Franking
Packaging Tapes
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Long Description
Avery Dennison™ FT 8455 – Double Coated Polyester Tape
Avery Dennison™ FT 8455 is a high-performance double coated polyester (PET) tape featuring an aggressive, high-tack rubber-based adhesive system on both sides. Engineered for demanding bonding and packaging applications, FT 8455 provides excellent adhesion and high shear performance on a wide range of substrates including paper, corrugated board, and various plastics. Its combination of strength, reliability, and convertibility makes it ideal for use in both industrial and packaging applications requiring consistent performance and ease of die cutting.
Key Features
Aggressive, high-tack rubber adhesive delivers superior initial grab and strong final bond strength.
Excellent shear resistance at both room and elevated temperatures ensures reliable performance under load.
Polyester film carrier offers dimensional stability and easy handling during conversion processes.
Densified kraft liner provides good layflat properties and smooth release, suitable for precision die cutting.
Benefits
Forms a strong, durable bond to a wide variety of substrates including paper stock, corrugated materials, and other packaging surfaces.
Ensures product reliability even in demanding temperature and stress conditions.
Provides excellent cohesive strength and resistance to adhesive splitting or residue.
Designed for consistent converting performance, suitable for sheeting, laminating, and die cutting.
Typical Construction
| Component | Description |
|---|---|
| Liner | 50# White Kraft Paper |
| Adhesive 1 | Rubber-Based Adhesive |
| Carrier | Polyester Film |
| Adhesive 2 | Rubber-Based Adhesive |
Typical Physical Properties
| Property | Test Method | US (Mils) | mm | µm |
|---|---|---|---|---|
| Liner | ASTM D3652 | 2.5 | 0.06 | 64 |
| Adhesive 1 – Liner Side | ASTM D3652 | 4.0 | 0.10 | 102 |
| Carrier | ASTM D3652 | 0.5 | 0.01 | 13 |
| Adhesive 2 – Unwind Side | ASTM D3652 | 3.0 | 0.08 | 76 |
| Total Caliper (w/o Liner) | ASTM D3652 | 7.5 | 0.19 | 191 |
| Total Caliper (with Liner) | ASTM D3652 | 10.0 | 0.25 | 254 |
Adhesive Performance
| Property | Test Method | Substrate | Value |
|---|---|---|---|
| Peel Adhesion (180°, 12 in/min) | ASTM D3330 | Stainless Steel | 12.0 lb/in (2113 N/m) – Liner Side 10.0 lb/in (1761 N/m) – Unwind Side |
| Loop Tack (180°, 20 in/min) | ASTM D6195 | Stainless Steel | 13.0 lb/in (2289 N/m) |
| Static Shear (1"², 2500 g) | ASTM D3654 | Stainless Steel | >10,000 min at Room Temperature |
Temperature Performance
| Condition | °F | °C |
|---|---|---|
| Minimum Application Temperature | 50°F | 10°C |
| Maximum Continuous Operating Temperature | 200°F | 93°C |
| Maximum Intermittent Operating Temperature | 225°F | 105°C |
Application Techniques
Ensure surfaces are clean, dry, and free of oil, dust, or contaminants prior to tape application.
Apply firm pressure to maximize adhesive contact and bond strength.
Note: Adhesion results may vary depending on substrate type, surface texture, and application temperature.
Different combinations of pressure, dwell time, and temperature may optimize bonding on rigid or flexible substrates.
Storage and Shelf Life
Shelf life: 1 year when stored at 64–72°F (18–22°C) and 30–70% relative humidity.
Store in original packaging, out of direct sunlight and away from heat sources.
