3M™ Scotch-Weld™ Structural Adhesive Film AF 191

Highlights:

Designed for 350°F cure (175°C)

Adhesive can be cured from 275°F (135°C) up to 350°F (175°C)

Excellent elevated temperature performance

Unsupported version available for reticulation

High-fracture toughness and peel strength

Available with lightweight conductive screen for lightning strike/composite surfacing

Our 3M™ Scotch-Weld™ Structural Adhesive Film AF 191 encompasses a family of thermosetting modified epoxy adhesives in film form that provide long-term durability and meet specific challenges for metal and composite solid panel and honeycomb sandwich construction, where high fracture toughness and peel strength is required.

Ready to Fly

3M™ Scotch Weld™ Structural Adhesive Film AF 191 provides excellent performance with easy to use shop handling properties. These adhesive films are available in a variety of weights and carriers to meet a range of needs without imposing excess material costs. With high fracture toughness and peel strength, AF 191 provides a reliable, long term bond suitable for composites, metals in solid panel and honeycomb sandwich fabrication. We also offer an unsupported version, which can be used for reticulation. It is also compatible with multiple substrates and primers. In addition, AF 191 exhibits excellent pre bond humidity performance on composite substrates.

3M ID: B40066390

Adhesive Type: Epoxy

Application: Bonding

Brand: Scotch-Weld™

Curing Temperature: 177 °C

Maximum Operating Temperature: 175 °C

Minimum Operating Temperature: -55 °C

Colour: Tan

Usage: Aircraft Components, Composite Materials, Honeycomb Sandwich Structures, Helicopter Components, Aircraft Engine Components

Substrates: Metal, Composite

Dimensions and Classifications:

Maximum Cure Conditions (Celsius): 200 ℃

Minimum Cure Conditions (Celsius): 135 ℃