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3M

Epoxy Adhesive

DP420 Black • DP420 NS Black • DP420 Off-White • DP420 LH

Typical Curing

Characteristics

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

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

Rate of Strength Build-Up

Aluminum, Overlap Shear (7 mil Bondline) (ASTM D 1002-72)

Bonds Tested at 73°F (23°C)

3M™ Scotch-Weld™ Epoxy Adhesive DP420 Black

Time in Oven

Cure Temperature

73°F (23°C)

15 min.

NT

NT

3200

30

NT

2300

NT

60

NT

4700

4700

2 hr.

300

3

800

5

3000

6

3700

24

4500

time. The average bondline temperature during the cure time will be somewhat lower than

the oven temperature.

NOTE: The data in this data sheet were generated using the

3M™ EPX Applicator System

equipped with an EPX static mixer, according to manufacturer

’s directions. Thorough

hand-mixing will afford comparable results.