3

Epoxy Adhesive

2216 B/A

Product Description

3M™ Scotch-Weld™ Epoxy Adhesive 2216 B/A is a flexible, two-part, room

temperature curing epoxy with high peel and shear strength. Scotch-Weld epoxy

adhesive 2216 B/A is identical to 3M™ Scotch-Weld™ Epoxy Adhesive EC-2216

B/A in chemical composition. Scotch-Weld epoxy adhesive EC-2216 B/A has been

labeled, packaged, tested, and certified for aircraft and aerospace applications.

Scotch-Weld epoxy adhesive 2216 B/A may be used for aircraft and aerospace

applications if proper Certificates of Test have been issued and material meets all

aircraft manufacturer’s specification requirements.

Features

• Excellent for bonding many metals, woods, plastics, rubbers, and masonry products.

• Base and Accelerator are contrasting colors.

• Good retention of strength after environmental aging.

• Resistant to extreme shock, vibration, and flexing.

• Excellent for cryogenic bonding applications.

• The tan NS Adhesive is non-sag for greater bondline control.

• The translucent can be injected.

• Meets DOD-A-82720.

Technical Data

December, 2009

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

2216 B/A Gray

2216 B/A Tan NS

2216 B/A Translucent

Base

Accelerator

Base

Accelerator

Base

Accelerator

Color:

White

Gray

White

Tan

Translucent

Amber

Base:

Modified

Modified

Modified

Modified

Modified

Modified

Epoxy

Amine

Epoxy

Amine

Epoxy

Amine

Net Wt.: (lb/gal)

11.1-11.6

10.5-11.0

11.1-11.6

10.5-11.0

9.4-9.8

8.0-8.5

Viscosity: (cps) (Approx.)

Brookfield RVF

75,000 -

40,000 -

75,000 -

550,000 -

11,000 -

5,000 -

#7 sp. @ 20 rpm

150,000

80,000

150,000

900,000

15,000

9,000

Mix Ratio: (by weight)

5 parts

7 parts

5 parts

7 parts

1 part

1 part

Mix Ratio: (by volume)

2 parts

3 parts

2 parts

3 parts

1 part

1 part

Work Life:

100 g Mass @ 75°F (24°C)

90 minutes

90 minutes

120 minutes

120 minutes

120 minutes

120 minutes