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Core SpliceAdhesive Film

AF 3002

Introduction

3M™ Scotch-Weld™ Core Splice Adhesive Film AF 3002 is a 250-350°F (121-177°C)

curing, low density, expandable product designed for the purpose of filling mismatched

areas, and for splicing and reinforcing honeycomb core. Scotch-Weld AF 3002 is

compatible with many 3M™ Scotch-Weld™ Structural Adhesive bonding films,

including AF 110, AF 111, AF 126, AF 126-2, AF 130, AF 131, AF 143, AF 147, and

AF-163-2. Data developed on this product indicates that it has high performance over the

-67°F to 250°F (-55°C to 121°C) temperature range when cured at 250°F (121°C) and

high performance over a -67°F to 350°F (-55°C to 177°C) temperature range when cured

at 350°F (177°C).

Technical Data

June, 2002

Description

Color:

White to light tan

Base:

Modified epoxy

Form:

Unsupported film (with a heavy green plaid printed backing liner

and a thin, rose-colored polyethylene separator liner)

Normal Caliper Range:

50 ± 5 mils (without liners)

Normal Uncured

Density Range:

50 ± 5 lbs./cubic foot

Normal Weight Range:

0.165 - 0.255 lbs./sq. ft. (calculated from above caliper and density

ranges)

Volatile Loss on Cure:

Less than 1% after 1 hour at 250°F (121°C) with a 10°F/minute

warmup rate.

Suggested Cure Cycle

for a 50 mil Thickness:

250°F (121°C) for 60 minutes with a 10°F/minute warmup rate

Cured Film Thickness:

a.) 250°F (121°C Cure, 70 mils (approx.)

b.) 350°F (177°C Cure, 80 mils (approx.)

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

typical only and should not be used for specification purposes.