- 5 -

3M

Epoxy Adhesive

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

NT: Not tested

Typical Adhesive

Performance

Characteristics

(continued)

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

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

Substrates and Testing (continued)

Aluminum, T-Peel (PIW), at Temperature

3M

™ Scotch-Weld™

Epoxy Adhesive

DP420 Black

3M

™ Scotch-Weld™

Epoxy Adhesive

DP420 Off-White

-67°F (-55°C)

9.3

5-10

73°F (23°C)

50

50

180°F (82°C)

20

3-5

Metals, T-Peel, Tested @ 73°F (23°C) (PIW)

3M™ Scotch-

Weld

™ Epoxy

Adhesive DP420

Black

3M™Scotch-

Weld

™ Epoxy

Adhesive DP420

Off-White

Aluminum, etched

17-20 mil bondline

60

50

5-8 mil bondline

50

40

Cold Rolled Steel

17-20 mil bondline

40

40

Oakite degreased

MEK/abrade/MEK

25

25

Aluminum, Bell Peel (PIW), at Temperature

3M™ Scotch-Weld™

Epoxy Adhesive

DP420 Black

3M™ Scotch-Weld™

Epoxy Adhesive DP420

Off-White

3M™ Scotch-Weld™

Epoxy Adhesive

DP420NS Black

-67°F (-55°C)

73°F (23°C)

180°F (82°C)

20

82

18

not tested

Not tested

58

Not tested

Other Substrates, Overlap Shear Tested @ 73°F (23°C) (PSI)

Substrate

Surf. Prep. 11

3M Scotch-Weld 3M Scotch-Weld

Epoxy Adhesive Epoxy Adhesive

DP420 Black

DP420 Off-White

Surf. Prep. 22

3M Scotch-Weld

3M Scotch-Weld

Epoxy Adhesive Epoxy Adhesive

DP420 Black

DP420 Off White

3M Scotch-Weld

Epoxy Adhesive

DP420NS Black

ABS

450

320

550

500

870

PVC

4003

220

3603

300

NT

Polycarbonate

440

400

450

550

470

Polyacrylic

190

230

450

280

NT

Polystryene

380

350

580

380

NT

FRP

600

350

3700

Phenolic

1170

SBR/Steel

Neoprene/Steel

70

NT

80

40

100

80

NT

1Isopropyl Alcohol Wipe. See Surface Preparation Section D for additional information.

2Isopropyl Alcohol/Abrade/Isopropyl Alcohol: See Surface Preparation Section E for additional information.

3Substrate failure.