Technical Data Sheet

3M Scotch-Weld™ Structural Adhesive Film AF 143-2

1. Metal to Metal – Overlap Shear

All properties were measured on 1" wide, 1/2" overlap specimens cut from 0.063" thick 4" x 7" bonded panels of

2024T-3 alclad aluminum. Tests were conducted per MMM-A-132.

2. Metal to Metal Floating Bell Peel

Peel strength was measured on 1" wide specimens cut from a 3" x 8" x .063" 2024T-3 bare aluminum panel bonded to a

3" x 10" x .025" 2024T-3 bare panel.

3. Metal to Honeycomb – Climbing Drum Peel. Peel strength was measured on 3" x 8" honeycomb sandwich panels

containing a 3" x 10" peel face sheet. Tests were conducted per MIL-A-25463.

Skins: .020" thick, 2024T-3 bare aluminum

Core:

0.50" thick, 1/4" cell, 4 mil, 5052 aluminum

Test Temperature

Sandwich Peel Strength

75°F (24°C)

40 in. lb./3 inch width

4. Metal to Honeycomb – Flatwise Tensile. All properties were measured on 2" x 2" honeycomb sandwich panels using

procedures of MIL-A-25463.

Skins:

.020" thick, 2024T-3 bare aluminum

Honeycomb Core: 0.5" thick, 1/4" cell, 4 mil foil, 5052 aluminum

Test Temperature

Flatwise Tensile Strength

75°F (24°C)

300°F (149°C)

1100 psi

700 psi

Test Temperature

Shear Strength

-67°F (-55°C)

75°F (24°C)

300°F (149°C)

350°F (177°C)

3000 psi

3250 psi

2700 psi

2300 psi

Test Temperature

Peel Strength

75°F (24°C)

18 lb./inch width