Structural Adhesive Film AF 191

Technical Datasheet

- 8 -

Typical Product

Performance (continued)

Scotch-Weld AF 191U

Knife

Air

Lamp

Speed

Film Weight

Width

Temperature

Pressure

Pre Heat

Height

Setting

3/16"

225°F

375°F

6"

6"/min.

1/4"

235°F

350°F

6"

6"/min.

Frequency

Dielectric Constant

Dissipation Factor

Scotch-Weld AF 191K Film

1 MHz

3.56

Scotch-Weld AF 191U Film

1 MHz

4.75

Note: Tests per ASTM D 150 and ASTM D 3380.

14. Scotch-Weld AF 191U Film Reticulation

Reticulation parameters for 1/4" or 3/16" cell size aluminum honeycomb core. Reticulation was completed on a

MacKay Reticulator Model 320 (Mac Kay Industries, Temecula, CA).

15. Scotch-Weld AF 191 Film Flow

% Flow vs. Out Time @ 77°F / 50% R.H.

1000

500

100

0

036

912

15

18

21

Out Time @ 77°F / 50% RH (Days)

(0 days, 1015%)

(5 days, 915%)

(5 days, 919%)

(10 days, 682%)

(10 days, 272%)

(15 days, 275%)

(15 days, 189%)

(20 days, 124%)

(20 days, 86%)

% Flow Calculated From Area

Increase of a 3/4" Diameter Disk

Cure: 350°F / 60 min / 40 psi / 5°F min

(3M Test Method C-730)

Closed bag

Open bag

13. Dielectric Constant and Dissipation Factor of 3M™ Scotch-Weld™ Structural Adhesive Film AF 191

Note: The following technical information and data should be considered representative

or typical only and should not be used for specification purposes.