3M™ Scotch-Weld™ Urethane Adhesive DP620NS Black

Technical Information Note

The following technical information and data should be considered representative or typical only and should not be used for speci cation purposes.

Typical Uncured Physical Properties

Property

Values

Notes

Test Condition

Color

Black

Colors may vary from nearly white to

yellow/amber. Adhesive performance is not

a ected by color variation.

Base Color

Clear Yellowish

Accelerator Color

Opaque Black

Base Density

9.0 to 9.4 lb/gal

Accelerator Density

9.5 to 9.9 lb/gal

Base Viscosity

3000 to 6000 cP

Brook eld CP #52 @ 50 rpm

Room Temperature

Accelerator Viscosity

1000 to 5000 cP

Brook eld CP #52 @ 50 rpm

Room Temperature

Mix Ratio by Volume (B:A)

1:1

Mix Ratio by Weight (B:A)

1:1

Typical Mixed Physical Properties

Property

Values

Test Condition

Notes

Worklife, 10g mixed

20 min

@ Room Temperature, 10 g, 1/4"

thick

Time to Handling Strength

4 h

Room Temperature

Minimum time required to achieve 50 psi of

overlap shear strength. Cure times are

approximate and depend on adhesive

temperature.

Typical Cured Characteristics

Table continued on next page

Property

Values

Method

Test Condition

Dwell/Cure Time

Modulus

131000 lb/in²

ASTM D638

Room Temperature

Strain at Break

110 %

ASTM D638

Room Temperature