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Epoxy Adhesive

Technical Data

April, 2019

Product Description

3M™ Scotch-Weld™ Epoxy Adhesives are high performance, two-part epoxy

adhesives offering outstanding shear and peel adhesion, and very high levels of

durability.

Features

• High shear strength

• High peel strength

• Outstanding environmental

performance

• Easy mixing

• 20 minute worklife

• Controlled flow (3M™ Scotch-Weld™ Epoxy

Adhesive DP420 NS Black)

• Recognized as meeting UL 94 HB – Underwriters

Laboratory Horizontal Burn Flammability Test

(3M™ Scotch-Weld™ Epoxy Adhesive DP420

Off-White)

• Low halogen content (3M™ Scotch-Weld™

Epoxy Adhesive DP420 LH)

Typical Uncured

Physical Properties

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

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

Product

3M™ Scotch-Weld™ Epoxy Adhesive

DP420 Black

DP420 NS Black

DP420 Off-White

DP420 LH

Viscosity (approx.)

Base

20,000-50,000 cP

190,000-270,000 cP

20,000-50,000 cP

20,000-50,000 cP

@ 73°F (23°C)

Accelerator

8,000-14,000 cP

60,000-130,000 cP

8,000-14,000 cP

8,000-14,000 cP

Base Resin

Base

Accelerator

epoxy

amine

epoxy

amine

epoxy

amine

epoxy

amine

Color

Base

Accelerator

black

amber

black

amber

white

amber

white

amber

Net Weight

Base

9.3-9.7

9.4-9.8

9.3-9.7

9.3-9.7

Lbs./Gallon

Accelerator

9.0-9.4

9.1-9.5

9.0-9.4

9.0-9.4

Mix Ratio (B:A)

Volume

2:1

2:1

2:1

2:1

Weight

2:0.97

2:0.97

2:0.97

2:0.97

Worklife, 73°F (23°C)

20 g mixed

15 minutes

15 minutes

15 minutes

15 minutes

10 g mixed

20 minutes

20 minutes

20 minutes

20 minutes

5 g mixed

30 minutes

30 minutes

30 minutes

30 minutes