FT 8345 Double Coated Tape
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Description
Avery Dennison™ FT 8345 is a high-performance, double-coated polyester tape engineered for bonding to a wide variety of low surface energy (LSE) materials, while delivering superior shear strength, dimensional stability, and temperature resistance. With its high tack rubber adhesive on both sides of a durable polyester carrier, FT 8345 is ideal for demanding applications such as point-of-purchase (POP) displays, hang tabs, industrial packaging, and general industrial assembly.
This product features a super-calendered kraft release liner for smooth converting and easy processing. Designed to perform well under stress and elevated temperatures, FT 8345 provides a strong and reliable bond in high-load and high-shear conditions. It also excels in die-cutting, thanks to its excellent tensile strength and tear resistance.
Key Features
Double-coated construction with differential rubber adhesives
High initial tack and excellent long-term shear strength
Engineered for low surface energy substrates like PP and PE
Durable polyester film carrier for dimensional stability
60# white kraft paper liner for smooth handling and converting
High tensile strength supports clean die-cutting and precise application
Good resistance to high temperatures and environmental stress
Product Benefits
Strong, lasting bonds to plastics, metals, and composites with low surface energy
Maintains adhesive integrity under load-bearing and elevated temperature conditions
Ideal for applications requiring clean converting and kiss die-cutting
Consistent adhesive laydown for clean application and easy liner removal
Suitable for POP signage, product assembly, packaging seals, and foam lamination
Typical Applications
POP and retail display hang tabs
General industrial bonding
Appliance assembly
Temporary or semi-permanent mounting
Laminating foam, rubber, and low energy plastics
Packaging reinforcements
Construction Overview
| Component | Description |
|---|---|
| Liner | 60# White Kraft Paper |
| Adhesive (Liner Side) | Rubber, high shear formulation |
| Carrier | Polyester film |
| Adhesive (Unwind Side) | Rubber, high tack and bonding strength |
Technical Specifications
Adhesive Thickness & Caliper (ASTM D3652)
| Component | US Mils | mm | Micron (µm) |
|---|---|---|---|
| Adhesive 1 (Liner Side) | 2.4 | 0.06 | 61 |
| Carrier (Polyester) | 0.5 | 0.01 | 13 |
| Adhesive 2 (Unwind Side) | 2.4 | 0.06 | 61 |
| Total Without Liner | 5.3 | 0.13 | 135 |
| With Liner | 9.7 | 0.25 | 246 |
Adhesive Performance
Peel Adhesion (ASTM D3330, 180° at 300 mm/min)
| Substrate | Peel Force | N/m |
|---|---|---|
| Stainless Steel (Liner Side, 72 hr) | 8.0 lbf/in | 1409 N/m |
| Stainless Steel (Unwind Side, 72 hr) | 8.0 lbf/in | 1409 N/m |
| Polypropylene (Liner Side) | 3.4 lbf/in | 599 N/m |
| Polypropylene (Unwind Side) | 6.3 lbf/in | 1109 N/m |
Loop Tack (ASTM D6195, Initial)
Stainless Steel: 10.0 N/25 mm = 1761 N/m
Static Shear (ASTM D3654, 1000 g, 1 in² at Room Temp)
Stainless Steel (24 hr dwell): > 24 hours (high shear performance)
Temperature Resistance
| Condition | °F | °C |
|---|---|---|
| Minimum Application Temp | 50°F | 10°C |
| Minimum Service Temp | -40°F | -40°C |
| Maximum Service Temp | 200°F | 93°C |
Application Techniques
Ensure all bonding surfaces are clean, dry, and free of grease, dust, or oils
Apply firm, even pressure to maximize adhesive contact and bond strength
Best results achieved at room temperature
Suitable for manual and automated lamination systems
Storage and Shelf Life
Shelf Life: 2 years from date of manufacture
Storage Conditions: 64–72°F (18–22°C), 30–70% relative humidity
Store in original packaging, out of direct sunlight
