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3M™ Scotch-Weld™ Structural Adhesive Film AF 163-2 designates a family of thermosetting modified epoxy structural adhesives in film form which are available in a variety of weights with or without a supporting carrier. Scotch-Weld AF 163-2 Films are designed for both solid panel and honeycomb sandwich constructions.
Storage:
Storage Stability – Storage at 0°F or below is recommended for Scotch-Weld AF 163-2 Films to obtain maximum storage life. Scotch-Weld AF 163-2 Films can be left out of cold storage (80°F maximum) for 20 days without adversely affecting its performance.
Description
Product | (± .005) Lb/ft2 | ||
---|---|---|---|
Scotch-Weld AF 163-2G108 Film | |||
Scotch-Weld AF 163-2K Film | |||
Scotch-Weld AF 163-2K Film | |||
Scotch-Weld AF 163-2K Film | |||
Scotch-Weld AF 163-2L Film | |||
Scotch-Weld AF 163-2M Film | |||
Scotch-Weld AF 163-2M Film | |||
Scotch-Weld AF 163-2M Film | |||
Scotch-Weld AF 163-2OST Film | |||
Scotch-Weld AF 163-2OST Film | |||
Scotch-Weld AF 163-2OST Film | |||
Scotch-Weld AF 163-2U Film | |||
Scotch-Weld AF 163-2U Film | |||
Scotch-Weld AF 163-2U Film | |||
Scotch-Weld AF 163-3M Film |
Codes:
G = fiberglass scrim
K = knit supporting carrier
L = light weight non-woven supporting carrier (Matte)
M = non-woven supporting carrier (Matte)
OST = one side tacky with non-woven carrier (Matte) on low tack surface
U = unsupported film
I. Typical 3M™ Scotch-Weld™ Structural Adhesive Film AF 163-2 Cured Free
Film (unsupported) Properties: (cured 60 minutes at 250°F)
Property | ||
---|---|---|
Glass Transition (Tg) Temperature - Dry - Wet (14 Days in 70°C water) | 226°F (108°C) 180°F(82°C) | DuPont 1090 DMA @ 5°C/min ramp |
Thermal Conductivity @ 43°C | .096
btu-ft
ft2hr°F | |
Thermal Coefficient of Expansion @ -30 to 50°C | 90 x 10-6
in
in °C | |
Volume Resistivity | ||
Dielectric Strength @ 1 KHz @ 75°F (23°C) |
Dielectric Constant and Dissipation Factor ASTM D 150
Product | |||
---|---|---|---|
Scotch-Weld AF 163-2U Film | 1 KHz 10 KHz 100 KHz 1 MHz | .012 .016 .026 .039 | 4.7 4.6 4.5 4.3 |
Scotch-Weld AF 163-2K Film | 12.4-18 GHz | .029 | 3.01 |
Scotch-Weld AF 163-2M Film | 12.4-18 GHz | .029 | 2.74 |
Tensile Strength and Modulus (ASTM D 638)
Cured: Free Film Strips approx. 1/4″ x 3″ x .01″ thick
Cure: 90 minutes at 235°F
A. 75°F Bulk Modulus, Shear Modulus, and Poisson’s Ratio – knit supported
17 ply laminate ~ 0.1 inches thick (ASTM D 3039) cure – 60 minutes at 250°F
Modulus Elasticity – 161 x 103 psi
Shear Modulus – 60 x 103 psi
Poisson’s Ratio – 0.34
B. Self extinguishing Characteristics: knit supported.
Method: FAR 25.853 – Sample: 1/4″ x 1/2″ x 4″
Cure: 60 minutes at 250°F
II. Typical Cured Bond Properties
A. 75°F Fracture Toughness – 3M Test Method C-295
Cure Cycle: 235°F, 90 minutes, 35 psi, 5°F/min.
Primer: 3M™ Scotch-Weld™ Structural Adhesive Primer EC-3960
Metal: 2024 T-3 Bare 1/2″ thick aluminum – FPL etched and Phosphoric Acid Anodize
(.06 lb/ft2) | (.03 lb/ft2) | (.06 lb/ft2) | (.03 lb/ft2) | ||
---|---|---|---|---|---|
IN LBS IN2 | |||||
IN LBS IN2 |
B. Thick Adherend Shear Properties – ASTM D5656
Cure Cycle: 270°F, 60 minutes, 40 psi, 1°F/min.
Adherends: 2024 T-3 Bare 0.25″ thick aluminum – FPL etched
Primer: 3M™ Scotch-Weld™ Structural Adhesive Primer EC-3924B
C. Metal to Metal Wide Area Blister Detection Shear Strength (psi) – 3M Test Method C-2232
Cure: 235°F, 90 minutes, 35 psi, 5°F/min.
Primer: 3M™ Scotch-Weld™ Structural Adhesive Primer EC-3960
Metal: 2024 T-3 Bare .063″ thick – FPL etched
(.03 lb/ft2) | (.06 lb/ft2) | (.06 lb/ft2) | (.06 lb/ft2) | (.085 lb/ft2) | (.03 lb/ft2) | |
---|---|---|---|---|---|---|
D. Metal to Metal Overlap Shear Strength (psi) – 3M Test Method C-244 or ASTM D 1002
1. Cure Cycle: 250°F, 60 minutes, 20 psi, 1°F/minute rise rate
Primer: 3M™ Scotch-Weld™ Structural Adhesive Primer EC-3917
Metal: 2024 T-3 ALCLAD .063″ thick – unsealed Chromic Acid Anodized
(.03 lb/ft2) | (.06 lb/ft2) | (.06 lb/ft2) | (.085 lb/ft2) | |
---|---|---|---|---|
2. Cure Cycle: 250°F, 90 minutes, 25 psi, 4°F/minute rise rate
Primer: None
Metal: 2024 T-3 Bare .063″ thick – FPL etched
(.03 lb/ft2) | (.085 lb/ft2) | |
---|---|---|
E. Metal to Metal Blister Detection Shear (psi) – 3M Test Method C-265
Cure Cycle: 270°F, 60 minutes, 40 psi, 1°F/min. rise rate
Primer: 3M™ Scotch-Weld™ Structural Adhesive Primer EC-3924B
Metal: 2024 T-3 Bare 0.063″ thick – FPL etched
(.06 lb/ft2) | (.06 lb/ft2) | |
---|---|---|
F. Metal to Metal T-Peel Strength (piw) – 3M Test Method C-252
Cure Cycle: 250°F, 60 minutes, 20 psig, 1°F/min. rise rate
Primer: 3M™ Scotch-Weld™ Structural Adhesive Primer EC-3917
Metal: 2024 T-3 clad .020 in. thick aluminum – unsealed Chromic Acid Anodized
Peel Rate: 20″/min.
(.03 lb/ft2) | (.06 lb/ft2) | (.06 lb/ft2) | (.085 lb/ft2) | |
---|---|---|---|---|
G. Metal to Metal Floating Roller (Bell) Peel Strength (piw) – 3M Test Method C-260
1. Cure Cycle: 270°F, 60 minutes, 50 psi, 1°F/min. rise rate
Primer: 3M™ Scotch-Weld™ Structural Adhesive Primer EC-3924B
Metal: 2024 T-3 Bare FPL etched .025″ to .063″ aluminum
Peel Rate: 6″/min.
(.06 lb/ft2) | (.06 lb/ft2) | |
---|---|---|
2. Cure Cycle: 250°F, 60 minutes, 30 psig, 5°F/min. rise rate
Primer: 3M™ Scotch-Weld™ Structural Adhesive Primer EC-3924B
Metal: 7075-T6 clad Chromic Acid Anodize, .025″ to .063″ Aluminum
Peel Rate: 6″/min.
(.045 lb/ft2) | (.085 lb/ft2) | (.045 lb/ft2) | |
---|---|---|---|
H. Metal to Metal Climbing Drum Peel Strength (in•lb/in) – 3M Test Method C-2222
Cure Cycle: 235°F, 90 minutes, 35 psig, 5°F/min. rise rate
Primer: 3M™ Scotch-Weld™ Structural Adhesive Primer EC-3960
Metal: 2024 T-3 Clad aluminum .020″ to .040″ FPL etched
Peel Rate: 3″/min. (cross head speed)
Test Temperature: 75 ± 5°F
I. Metal to Honeycomb Climbing Drum Peel Strength (in•lb/in) – 3M Test Method C-245
1. Cure Cycle: 250°F, 60 minutes, 20 psi, 1°F/min. rise rate
Primer for Skins: 3M™ Scotch-Weld™ Structural Adhesive Primer EC-3917
Skins: 2024 T-3 0.020″ thick aluminum – Chromic Acid Anodized
Core: 1/4″ cell – 1/2″ thick – 4 mil foil – 5052 alloy – non perforated
Test Rate: 1.0″/min. (cross head speed)
(.06 lb/ft2) | (.06 lb/ft2) | |
---|---|---|
2. Cure Cycle: 250°F, 60 minutes, 30 psi, 5°F/min. rise rate
Primer: 3M™ Scotch-Weld™ Structural Adhesive Primer EC-3924B
Skin and Core: Same as (1.) above
Test Rate: 1.0″/min. (cross head speed)
(.045 lb/ft2) | (.045 lb/ft2) | (.085 lb/ft2) | |
---|---|---|---|
3. Cure Cycle: 235°F, 90 minutes, 35 psig, 5°F/min.
Primer: 3M™ Scotch-Weld™ Structural Adhesive Primer EC-3924B
Skins: 2024 T-3 0.020″ aluminum – FPL etched
Core: Same as (1.) above
Test Rate: 3″/min. (cross head speed)
4. Cure Cycle: 270°F, 60 minutes, 50 psi, 1°F/min. rise rate
Primer: 3M™ Scotch-Weld™ Structural Adhesive Primer EC-3924B
Skins: Same as (3.) above
Core: 3/16″ cell – 1/2″ thick – 5052 alloy – non perforated
Test Rate: 1.0″/min. (cross head speed)
Peel Strength (in·lb/in)
(.03 lb/ft2) | (.06 lb/ft2) | (.06 lb/ft2) | |
---|---|---|---|
J. Metal to Honeycomb Flatwise Tensile (psi) – 3M Test Method C-251
1. Cure Cycle: 250°F, 60 minutes, 20 psig, 1°F/min. rise rate
Primer for Skins: 3M™ Scotch-Weld™ Structural Adhesive Primer EC-3917
Metal: Skins: 2024 T-3 aluminum – Chromic Acid Anodized
Core: 1/4″ cell – 1/2″ thick – 4 mil foil – 5052 alloy – non perforated
Flatwise Tensile Strength (psi)
(.06 lb/ft2) | (.085 lb/ft2) | |
---|---|---|
2. Cure Cycle: 250°F, 60 minutes, 30 psig, 5°F/min. rise rate
Primer for Skins: 3M™ Scotch-Weld™ Structural Adhesive Primer EC-3924B
Metal & Core: same as (1.) above-67
Flatwise Tensile Strength (psi)
(.045 lb/ft2) | (.06 lb/ft2) | (.085 lb/ft2) | |
---|---|---|---|
3. Cure Cycle: 235°F, 90 minutes, 35 psig, 5°F/min. rise rate
Primer for Skins: 3M™ Scotch-Weld™ Structural Adhesive Primer EC-3960
Metal: Skins; 2024 T-3 aluminum – FPL etched
Core: same as (1.) above
Flatwise Tensile Strength (psi)
(.03 lb/ft2) | (.06 lb/ft2) | (.06 lb/ft2) | (.085 lb/ft2) | (.06 lb/ft2) | |
---|---|---|---|---|---|
K. Metal to Honeycomb Beam Flexure Strength (lbs) – 3M Test Method C-250
Cure Cycle: 250°F, 60 minutes, 30 psi, 5°F/min. rise rate
Primer: 3M™ Scotch-Weld™ Structural Adhesive Primer EC-3924B
Metal: 2024 T-3 Bare 0.063″ thick aluminum – Chromic Acid Anodized
Core: 1/4″ cell – 1/2″ thick – 5052 Alloy – 4 mil foil – non perforated
(.045 lb/ft2) | (.06 lb/ft2) | (.085 lb/ft2) | |
---|---|---|---|
L. Typical Metal to Metal Fatigue Resistance:
1. Wide Area Blister Shear Type Specimens (psi) – 3M Test Method C 2232 (1/4″ overlap)
Cure Cycle: 235°F, 90 minutes, 35 psi, 5°F/min. rise rate
Primer: 3M™ Scotch-Weld™ Structural Adhesive Primer EC-3960
Metal: 2024 T-3 Bare .063″ thick aluminum – FPL etched
Max. Stress: 1500 psi | Stress Ratio: 0.1 | Rate: 1800 cycles/min.
Test Temperature: 75 ± 5°F
Results: Under these conditions Scotch-Weld AF 163-2 Films have yielded
greater than 107 cycles without adhesive failure
2. Double Lap Strap: 6, 4 Titanium Specimens
Cure Cycle: 250°F, 60 min., 20 psig, 1°F/min. rise rate
Primer: 3M™ Scotch-Weld™ Structural | Adhesive: 3M™ Scotch-Weld™ Structural
Adhesive Primer EC-3917 Adhesive Film AF 163-2K (.06 lb/ft2)
Metal: 6, 4 Titanium alloy – phosphate fluoride etched
Center Adherends 1″ x 45/8” x 0.125″
Straps 1″ x 15/8” x .063″
Stress Ratio = 0.1 Rate = 1800 cycles/min. Test temp. = 75°F ± 5°F
Shear Area – 1.5 in2
(No failure; test discontinued) |
M. Typical Creep Resistance
1. Metal to Metal Wide Area Shear Specimens (psi) – 3M Test Method C-2232
Cure Cycle: 235°F, 90 minutes, 35 psig, 5°F/min. rise rate
Primer: 3M™ Scotch-Weld™ Structural Adhesive Primer EC-3960
Metal: 2024 T-3 Bare .063″ thick aluminum – FPL etched
Adhesive | 75°F @ 1600 psi | 180°F @ 800 psi |
---|---|---|
Scotch-Weld F 163-2K Film.06 lb/ft2 .085 lb/ft2 | Less than 0.0003" | <.0015" |
Scotch-Weld F 163-2K Film.03 lb/ft2 .06 lb/ft2 | Less than 0.0003" | Less than 0.0003" |
2. Metal to Metal Overlap Shear Specimens (psi) – 3M Test Method C-244
Cure Cycle: 250°F, 60 minutes, 30 psi, 5°F/min. rise rate
Primer: 3M™ Scotch-Weld™ Structural Adhesive Primer EC-3924B
Metal: 7075 T-6 Clad .063″ thick aluminum – Chromic Acid Anodized
Adhesive | 78°F @ 1600 psi | 160°F @ 1200 psi |
---|---|---|
Scotch-Weld AF 163-2M Film .085 |
3. Metal to Honeycomb Creep Deflection in Flexure – (Mil-A-25463 method)
Cure Cycle: 250°F, 60 minutes, 30 psig, 5°F/min. rise rate
Primer: 3M™ Scotch-Weld™ Structural Adhesive Primer EC-3924B
Metal: 2024 T-3 Bare 0.063″ thick aluminum – Chromic Acid Anodized
Core: 1/4″ cell – 1/2″ thick – 5052 Alloy – 4 mil foil – non perforated
Adhesive | 75°F Test Load: 970 lbs | 75°F Test Load: 1500 lbs | 160°F Test Load: 970 lbs | 160°F Test Load: 1500 lbs | 180°F Test Load: 970 lbs | 180°F Test Load: 1500 lbs |
---|---|---|---|---|---|---|
AF 163-2M Film (.045 lb/ft2) | ||||||
(.085 lb/ft2) |
N. Typical Bond Strengths on Other Substrates
Adhesive: 3M™ Scotch-Weld™ Structural Adhesive Film AF 163-2M Wt. .045
Primer: 3M™ Scotch-Weld™ Structural Adhesive Primer EC-3924B
Cure Cycle: 250°F, 60 minutes, 30 psig, 5°F/min. rise rate
L/T = 8Shear (psi) | 6"/min Floating Roller Bell Peel (piw) | |
---|---|---|
Substrates | 75°F180°F | |
7575 T6 Clad FPL - Each | 60503500 | 65 |
6, 4 Titanium Phosphate Fluoride Etch | 68253650 | 45 |
301 Stainless Steel Phosphate Fluoride Etch | 62603750 | 60 |
Epoxy FRP ("Scotchply" Brand Type 116) Abrade & degrease - unprimed | 4300*2300* | - |
O. MMM-A-132B Type I Test Data
Cure Cycle: 250°F – 90 minutes – 25 psig – 4 to 5°F per minute rise rate.
MMM - A - 132B Test | Class 2 Requirements | (.06 lb/ft2) with Scotch-Weld EC-3960 Primer |
---|---|---|
75°F shear | ||
180°F shear | ||
-67°F shear | ||
75°F shear after 30 days at 120°F and 95-100% RH | ||
75°F shear after immersion | ||
a.) 7 days in MIL-H-83282 | ||
b.) 7 days in MIL-T-5624 | ||
75°F Fatigue | ||
75°F creep, 1600 psi - 192 hours | ||
180°F creep, 800 psi - 192 hours | ||
Blister Detection @ 75°F | ||
T-Peel @ 75°F |
P. MIL-A-25463B Type I Test Data
Description Test Number | Class 2 Requirements | (.06 lb/ft2) with Scotch-Weld EC-3960 Primer |
---|---|---|
Sandwich Peel (in·lb/in) Normal Temp. 180 ± 5°F -67 ± 2°F | 12.5 10 10 | 27.6 23.8 24.0 |
Flatwise Tensile Strength (psi) Normal Temp. 180 ± 5°F -67 ± 2°F | 750 400 800 | 1408 743 1858 |
Flexural Strength (lbs) Normal Temp. 180 ± 5°F -67 ± 2°F | 2100 1275 2150 | 3302 2263 3163 |
Flexural Strength after 192 hours Exposure (lbs) 180 ± 5°F | 1500 | 2648 |
Creep Deflection flexure when loaded for max 192 hours max. deflection (inch) Normal Temp. 1000 lbs. load (inch) 180 ± 5°F/800 lbs. load (inch) | 0.025 0.05 | 0.006 0.0033 |
Flexure Strength after 30 days exposure (lbs) To 95 to 100% RH at 120 ± 2°F To turbine fuel JP -4 of MIL-T-5624 | 1800 1800 | 3082 3162 |
III. Typical Performance after Environmental Exposure
A. Metal to Metal Overlap Shear Strength (psi) – 3M Test Method C-244
Cure Cycle: 250°F, 60 minutes, 30 psig, 5°F/min. rise rate
Primer: 3M™ Scotch-Weld™ Structural Adhesive Primer EC-3924B
Metal: 7075 T-6 Clad 0.063″ thick – Chromic Acid Anodized
Adhesive: 3M™ Scotch-Weld™ Structural Adhesive Film AF 163-2M
(.085 lb/ft2)
Specimens: Precut to 1″ width prior to exposure
Test Temperature: 75°F
Environmental Exposure | |
---|---|
1. Control (No Exposure) | |
2. 7 day immersion in JP-4 | |
3. 7 day immersion in MIL-F-5566 | |
4. 7day immersion in MIL-H-5606 | |
5. 7 day immersion in Type III Hydrocarbon | |
6. 30 day water immersion | |
7. 30 day 5% Salt Spray Exposure | |
8. Cyclic Humidity Exposure a) 15 Cycles b) 30 Cycles c) 45 Cycles | 5510 5655 |
B. Metal to Metal Blister Detection Shear (psi) – 3M Test Method C-265
Cure Cycle: 270°F, 40 psi, 60 minutes, 1°F/min. rise rate
Primer: 3M™ Scotch-Weld™ Structural Adhesive Primer EC-3924B
Metal: 2024 T-3 Base .063″ thick aluminum – FPL etch
Adhesive: Scotch-Weld AF 163-2K Film (.06 lb/ft2)
Specimens: Precut to 1.0″ width and notched prior to exposure
Test Temperature: 75°F
Environmental Exposure | |
---|---|
1. Control (No Exposure) | 5095 |
2. 7 day immersion in JP-4 | 5065 |
3. 7 day immersion in MIL-F-5606 | 5050 |
4. 7 day immersion in MIL-L-7808 | 5005 |
5. 30 day Exp. 120°F - 95 to 100% RH | 4980 |
6. 30 day Exp. to 5% Salt Spray | 5030 |
C. Metal to Metal Floating Roller (Bell) Peel (piw) – 3M Test Method C-260
Cure Cycle: (same as B.)
Primer: 3M™ Scotch-Weld™ Structural Adhesive Primer EC-3924B
Metal: 2024 T-3 Bare .025″ thick to .063″ thick aluminum – FPL etched
Adhesive: 3M™ Scotch-Weld™ Structural Adhesive Film AF 163-2K (.06 lb/ft2)
Specimens: Precut to 1″ wide before exposure
Test Temperature: 75°F
Peel Rate: 6″/min.
Environmental Exposure | |
---|---|
1. Control (No Exposure) | 82 |
2. 7 day immersion in JP-4 | 83 |
3. 7 day immersion in Mil-H-5606 | 85 |
4. 7 day immersion in Mil-L-7808 | 85 |
5. 30 day Exposure 120°F and 95 to 100% RH | 80 |
6. 30 day 5% Salt Spray Exposure | 82 |
D. Metal to Metal Wide Area Blister Detection Shear (psi) – 3M Test Method C-2232
Cure Cycle: 235°F, 90 minutes, 35 psi, 5°F/min. rise rate
Primer: 3M™ Scotch-Weld™ Structural Adhesive Primer EC-3960
Metal: 2024 T-3 Bare .063″ thick – FPL etched
Specimens: Precut to 1″ width and notched prior to exposure
Test Temperature: 75°F
Shear Strength (psi)
Environmental Exposure | (.03 lb/ft2) | (.06 lb/ft2) | (.06 lb/ft2) | (.085 lb/ft2) |
---|---|---|---|---|
1. Control (No Exposure) | ||||
2. 7 day JP-4 minimum (75°F) | ||||
3. 7 day Type III Hydrocarbon immersion (75°F) | ||||
4. 7 day Skydrol 500B immersion (150°F) | ||||
5. 30 day 5% Salt Spray | ||||
6. 30 day 120°F 95 - 100% RH |
E. Metal to Metal GISCC – Crack Extension at 140°F and 95-100% RH – 3M Test Method C-295
Cure Cycle: 235°F, 90 minutes, 35 psig, 5°F/min. rise rate
Primer: 3M™ Scotch-Weld™ Structural Adhesive Primer EC-3960
Metal: 2024 T-3 Bare 0.5″ thick aluminum – phosphoric acid anodized
Specimen: DCB specimen precut to 1″ width prior to exposure
Exposure | (in·lb/in2) | (in·lb/in2) | (in·lb/in2) | (in·lb/in2) |
---|---|---|---|---|
Film Weight (lb/ft2) | .03 | .06 | 7.2 | 8.5 |
2500 hours | 6.4 | 7.5 | 7.2 | 8.5 |
F. Metal to Honeycomb Beam Flexure Strength (lb) – 3M Test Method C-250
Cure Cycle: 250°F, 60 minutes, 30 psi, 5°F/min.
Primer for Skins: 3M™ Scotch-Weld™ Structural Adhesive Primer EC-3924B
Metal Skins: 2024 T-3 Bare .063″ thick aluminum – Chromic Acid Anodized
Core: 1/4″ cell – 1/2″ thick – 4 mil foil – 5052 Alloy – non perforated
Adhesive: 3M™ Scotch-Weld™ Structural Adhesive Film AF 163-2M (.045 lb/ft2)
Environmental Exposure | |
---|---|
1. Control (No Exposure) | |
2. 30 day immersion in Type III Hydrocarbon | |
3. 30 day 5% Salt Spray | |
4. *Cyclic Exposure – 45 Cycles |
G. Metal to Honeycomb Flatwise Tensile Strength – 3M Test Method C-251
conditions as per (F.) above
Environmental Exposure | |
---|---|
1. Control (No Exposure) | |
2. Cyclic Exposure: 15 Cycles* 865 45 Cycles* | 870 |
IV. Typical Performance after Open Time at 90°F and 75% RH
Cure Cycle: 250°F, 60 minutes, 30 psig, 5°F/min. rise rate
Primer: 3M™ Scotch-Weld™ Structural Adhesive Primer EC-3924B
Metal Skin Prep: Chromic Acid Anodize
Core: 1/4″ cell – 1/2″ thick – 4 mil foil – 5052 Alloy – non-perforated
Exposure Method: Adhesive applied to Primed Skin with liners removed and
exposed open face
A. 75°F Overlap Shear on 7075-T6 Clad .063″ Thick – 3M Test Method C-244
B. Floating Roller (Bell) Peel on 7075 T-6 Clad .025″ to .063″ aluminum – 3M Test Method C-260
-67°F Test | 75°F Test | 160°F Test | |
---|---|---|---|
C. 75°F Honeycomb Peel 2024 T-3 Bare .020 Aluminum Skins (in•lb/in) – 3M Test Method C-245
(.045 lb/ft2) | (.085 lb/ft2) | |
---|---|---|
D. 75°F Honeycomb Flatwise Tensile 2024 T-3 Bare Aluminum Skins (psi) – 3M Test Method C-251
(.045 lb/ft2) | (.085 lb/ft2) | |
---|---|---|
V. Typical Metal to Metal 200°F Cure Performance:
Cure Cycle: 200° ± 5°F, 50 psi, 1°F/min. rise rate
Primer: 3M™ Scotch-Weld™ Structural Adhesive Primer EC-3924B
Scotch-Weld AF 163-2K Film (.06 lb/ft2)
3M Test Method C-265 | 3M Test Method C-265 | 3M Test Method C-260 | |
---|---|---|---|
VI. Typical Vacuum Cure Performance
Cure: 250°F, 60 minutes, 5°F/min. rise rate
Primer: 3M™ Scotch-Weld™ Structural Adhesive Primer EC-3960
Overlap Shear: 3M Test Method C-244: 2024 T-2 .063″ thick aluminum
Honeycomb Peel: 3M Test Method C-245: 1/4″ cell Core – 2024 T-3 .020″ thick
aluminum skins
Peel Rate: 3″/min. (cross head speed)
Pressure or Vaccum | Overlap Shear 75°F (psi) | Honeycomb Peel 75°F (in•lb/3") | Overlap Shear 75°F (in•lb/3") | Honeycomb Peel 75°F (in•lb/3") | Overlap Shear 75°F (psi) |
---|---|---|---|---|---|
A. 25 psig positive pressure | |||||
B. 9-11 Inches Hg | |||||
C. 16-18 Inches Hg | |||||
D. 24-26 Inches Hg |
VII. Effect of rise rate on Typical Metal to Metal Properties
Primer: 3M™ Scotch-Weld™ Structural Adhesive Primer EC-3917
Metal Prep: Chromic Acid Anodize
Metal: T-Peel 3M Test Method C-252: 2024 T-3 Clad .020″ aluminum
OLS 3M Test Method C-244: 2024 T-3 Clad .063″ aluminum
T-Peel Rate: 20″/min.
Adhesive: 3M™ Scotch-Weld™ Structural Adhesive Film AF 163-2K .06
Cure Temperature | |||
Cure Time | |||
Cure Pressure | |||
Rise Rate | |||
75°F Overlap Shear | |||
75°F T-Peel |
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Shipment Order No. | Shipment Date | Shipment Quantity |
---|---|---|
#56534 | 1/1/2025 | 1000 |
#56534 | 15/2/2025 | 1000 |
#56534 | 12/3/2025 | 1000 |
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