2158B datasheet(3/9 Pages) 3M

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3M™ Scotch-Weld™ Epoxy Adhesive 2158 B/A

Typical Mixed Physical Properties

Property

Values

Test Condition

Worklife, 100g mixed

120 min

Room Temperature

Time to Handling Strength

8 to 12 h

Room Temperature

Time to Full Cure

7 day

Room Temperature

Typical Physical Properties

Color: Gray

Conditions

Attribute Modi er: Cured

Typical Cured Characteristics

Shore D Hardness: 85

Conditions

Dwell/Cure Time: 60 min @ Room Temperature

Methods

ASTM D2240

Electrical and Thermal Properties

Table continued on next page

Property

Values

Test Condition

Notes

Method

Glass Transition

Temperature

(Tg)

52 °C

Mid-Point

Glass Transition Temperature (Tg)

determined using DSC Analyzer

with a heating rate of 68°F (20°C)

per minute. Second heat values

given.

Dielectric

Constant

5.6

1 KHz, Room

Temperature

ASTM D150

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