Structural Adhesive Films

AF 6 • AF 10 • AF 13

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Test Condition

Tensile Shear

Test Temp.

Test Results

-67F (-55°C)

2800 psi (19.3 MPa)

75°F (24°C)

2800 psi (19.3 MPa)

180°F (82°C)

1600 psi (8.6 MPa)

T-Peel Strength

Test Temp.

Test Results

75°F (24°C)

35 piw (156 N/25mm)

Product

Performance

(continued)

3M™ Scotch-Weld™ Structural Adhesive Film AF 13

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

typical only and should not be used for specification purposes.

The following is a summary of typical test results for Scotch-Weld AF 13 when bonded specimens

were prepared and tested in accordance with Military Specification MMM-A-132 Type 1, Class 2.

Application

3M™ Scotch-Weld™ Structural Adhesive Films AF 6, AF 10 and AF 13

Proper adhesive application is an important as proper bond design and adhesive choice to obtain

maximum joint properties. Improper adhesive application techniques can result in partial or

complete failure of an assembly.

Adhesive performance data reported in an earlier section (Test Results) was developed using the

following suggested procedures. Variations from these procedures should be fully evaluated to

ensure bond properties sufficient to meet the requirements of your particular assembly.

Surface

Preparation

3M™ Scotch-Weld™ Structural Adhesive Films AF 6, AF 10 and AF 13

Aluminum (optimized FPL etch – 3M Company)

1. Vapor – Degrease – Perchloroethylene condensing vapors for 5-10 minutes.

2. Alkaline Degrease – Oakite 164 solution 9-11 oz./gallon water at 190 ± 10°F (87 ± 6°C) for

10-20 minutes. Rinse immediately in large quantities of cold running water.

3. Acid Etch* – Place panels in the following solution for 10 minutes at 150°F ± 5°F

(66°C ± 3°C).

4.1-4.9 oz./gallon (32.04-38.29 ml/liter)

Sulfuric Acid, 66° Be

38.5-41.5 oz./gallon (300.8-324.3 ml/liter)

2024T-3 aluminum (dissolved)

0.2 oz./gallon 1.56 ml/liter)minimum

Tap Water

Balance

*Review and follow component suppliers environmental, health and safety recommendations

prior to preparing this etch solution. Caution: Use adequate respiratory, eye and skin

protection when using etch solutions.

4. Rinse – Rinse panels in clear running tap water.

5. Dry – Air dry 15 minutes; force dry 10 minutes at 150°F ± 10°F (66°C ± 6°C).

6. It is advisable to coat freshly cleaned surfaces with adhesive within 4 hours after surface

preparation.