Epoxy Adhesives

3501 B/A Gray and DP 3501

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Environmental

Resistance

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

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

The following data was developed in overlap shear on 2024 T-3 clad FPL etched

aluminum after aging in the following environments for the specified times. Tests

similar to ASTM D-1002.

Environment

Time

Test Results

75°F (24°C)

100% Relative Humidity @ 120°F (49°C)

14 days

2030 psi

Salt Spray @ 95°F (35°C)

14 days

1895 psi

Tap Water @ 75°F (24°C)

14 days

1810 psi

Rate of Strength

Build-Up

The following data was developed in overlap shear on 2024 T-3 clad FPL etched

aluminum curing the adhesive at 75°F (24°C) for the times specified. Test similar to

ASTM D-1002.

Time

Overlap Shear Strength

20 minutes

400 psi

30 minutes

500 psi

60 minutes

750 psi

90 minutes

900 psi

Storage

Store product at 60-80°F (15-27°C) or refrigerate for maximum storage life. Higher

temperatures reduce normal storage life.

Shelf Life

3M™ Scotch-Weld™ Epoxy Adhesive DP 3501 has a shelf life of 15 months from

the date of shipment from 3M when stored in its original unopened container.

3M™ Scotch-Weld™ Epoxy Adhesive 3501 Bulk B/A has a shelf life of 24

months from the date of shipment from 3M when stored in its original unopened

container.