Structural Adhesive Film

AF 555

- 8 -

Typical Cured

Physical Properties

Note: The following technical information and data is based on limited 3M testing

conditions and should not be used for specification purposes.

XIV. Out Time: RDA vs. Room Temperature Exposure

Scotch-Weld AF 555U Film 0.030 Wt.

Scotch-Weld AF 555M Film 0.050 Wt.

Minimum

Viscosity (Pa*s)

Temperature @

Minimum

Viscosity F (C)

Time @ Minimum

Viscosity (Min.)

Initial

1.44

332 (167)

29

3 Months

6 Months

9 Months

12 Months

1.22

336 (169 )

29

1.85

332 (167 )

28

1.66

329 (165 )

28

1.85

332 (167 )

28

Minimum

Viscosity (Pa*s)

Temperature @

Minimum

Viscosity F (C)

Time @ Minimum

Viscosity (Min.)

Initial

3 Months

6 Months

9 Months

12 Months

8.86

338 (170 )

29

7.96

336 (169 )

29

11 .27

332 (167 )

29

11 .05

336 (169 )

28

7.85

338 (170 )

29

Scotch-Weld AF 555K Film 0.080 Wt.

Minimum

Viscosity (Pa*s)

Temperature @

Minimum

Viscosity F (C)

Time @ Minimum

Viscosity (Min.)

Initial

3 Months

6 Months

9 Months

12 Months

4.53

332 (167 )

29

4.78

329 (165 )

28

4.36

327 (164 )

28

5.17

327 (164 )

28

5.84

324 (162 )

27

Test Equipment: Rheometric Dynamic Analyzer.

Frequency = 1 Hz

Heat-up Rate = 5°C/min.

Strain = 0.2%

Data Collection Frequency = 30 sec.

Construct = 3M™ Scotch-Weld™ Structural Adhesive Film AF 555 0.05 wt.

Structural Adhesive Film

AF 555

- 9 -

Typical Cured

Physical Properties

Note: The following technical information and data is based on limited 3M testing

conditions and should not be used for specification purposes.

XV. Out Time: 90°F / 50% RH Exposure

DSC vs. Out Time @ 90°F (32°C) / 50% RH

Samples of 3M™ Scotch-Weld™ Structural Adhesive Film AF 555U 0.035 wt. and AF 555M 0.050 wt.

were conditioned @ 90°F (32°C) / 50% RH for 60 days.

Equipment: Perkin Elmer DSC 7

Ramp Rate: 10°C/min.

Peak Exotherm

Onset Temperature ºF [ºC]

Delta H [J/g]

Temperature ºF [ºC]

initial

315 [157]

289

334 [168]

14 days

315 [157]

296

331 [166]

21 days

313 [156]

280

336 [169]

39 days

313 [156]

302

331 [166]

60 days

311 [155]

290

331 [166]

Scotch-Weld AF 555U Film 0.035 wt. Unsupported

Peak Exotherm

Onset Temperature ºF [ºC]

Delta H [J/g]

Temperature ºF [ºC]

initial

315 [157]

289

340 [171]

14 days

313 [156]

287

336 [169]

21 days

315 [157]

287

336 [169]

39 days

315 [157]

290

336 [169]

60 days

307 [153]

300

331 [166]

Scotch-Weld AF 555M Film 0.05 wt. Supported