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3M Scotch-Weld™ DP920 Epoxy Adhesive

Category Polymer , Thermoset , Epoxy , Epoxy Adhesive
Manufacturer 3M
Trade Name Scotch-Weld™
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF 3M Scotch-Weld™ DP920 Epoxy Adhesive.pdf
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Material Notes:
3M™ Scotch-Weld™ Epoxy Adhesive DP920 is a two-part, 2:1 mix ratio, toughened epoxy structural adhesive with a 20 minute work life. It exhibits excellent shear and peel strengths along with good impact and durability; and bonds well to oily metal substrates with minimal surface preparation.Information provided by 3M
Physical Properties Metric English Comments
Brookfield Viscosity 18000 cP
18000 cP
Accelerator, RFV #7 at 20 rpm
110000 cP
110000 cP
Base, RFV #7 at 20 rpm
Mechanical Properties Metric English Comments
Hardness, Shore D 70 - 75
70 - 75
Shear Strength 0.00689 MPa
1.00 psi
Overlap, Aluminum, RT cure for 2 hrs; ASTM D1002
0.0345 MPa
5.00 psi
Overlap, Aluminum, RT cure for 3 hrs; ASTM D1002
0.172 MPa
25.0 psi
Overlap, Aluminum, 49°C for 30 mins; ASTM D1002
0.552 MPa
80.0 psi
Overlap, Aluminum, 60°C for 30 mins; ASTM D1002
2.83 MPa
410 psi
Overlap, Acrylic (PMMA) (IPA/abrade/IPA), Adhesive Failure; ASTM D1002
3.31 MPa
480 psi
Overlap, Polystyrene (HIPS) (IPA/abrade/IPA), Adhesive Failure/Substrate Failure; ASTM D1002
3.72 MPa
540 psi
Overlap, Polycarbonate (IPA/abrade/IPA), Adhesive Failure; ASTM D1002
4.07 MPa
590 psi
Overlap, ABS (IPA/abrade/IPA), Adhesive Failure; ASTM D1002
4.96 MPa
720 psi
Overlap, PVC (IPA/abrade/IPA), Adhesive Failure/Substrate Failure; ASTM D1002
5.24 MPa
760 psi
Overlap, Aluminum, RT cure for 5 hrs; ASTM D1002
6.55 MPa
950 psi
Overlap, Aluminum, RT cure for 6 hrs; ASTM D1002
10.3 MPa
1500 psi
Overlap, Phenolic (IPA/abrade/IPA), Substrate Failure; ASTM D1002
15.2 MPa
2200 psi
Overlap, CRS - with Multidraw KTL N16 Deep Draw Lube Oil, Cohesive failure/Adhesive Failure; ASTM D1002
15.2 MPa
2200 psi
Overlap, CRS - with Preton R303 PX2, Cohesive failure/Adhesive Failure; ASTM D1002
15.9 MPa
2300 psi
Overlap, Galvanized Aluminum (MEK/abrade/MEK), Adhesive Failure; ASTM D1002
16.5 MPa
2400 psi
Overlap, CRS - with Ferrocote 6130 Draw Lube, Cohesive failure/Adhesive Failure; ASTM D1002
17.9 MPa
2600 psi
Overlap, Aluminum, 49°C for 1 hr; ASTM D1002
18.6 MPa
2700 psi
Overlap, CRS - MEK/abraded/MEK, Cohesive failure; ASTM D1002
21.4 MPa
3100 psi
Overlap, Copper (MEK/abrade/MEK), Cohesive failure/Adhesive Failure; ASTM D1002
23.2 MPa
3360 psi
Overlap, Aluminum-etched, with KTLN Deep Draw Lue Oil, Cohesive failure; ASTM D1002
23.4 MPa
3400 psi
Overlap, FRP (Green) (IPA/abrade/IPA), Adhesive Failure/Cohesive Failure; ASTM D1002
24.1 MPa
3500 psi
Overlap, Stainless Steel (MEK/abrade/MEK), Cohesive failure/Adhesive Failure; ASTM D1002
24.1 MPa
3500 psi
Overlap, Etched Aluminum, MEK at RT for 30 days immersion, Cohesive Failure
24.1 MPa
3500 psi
Overlap, Etched Aluminum, Gasoline at RT for 30 days immersion, Cohesive Failure
24.8 MPa
3600 psi
Overlap, Etched Aluminum, 5% Salt solution for 14 days, Cohesive Failure
25.5 MPa
3700 psi
Overlap, Etched Aluminum, 65°C/80% RH for 30 days, Cohesive Failure
26.2 MPa
3800 psi
Overlap, Brass (MEK/abrade/MEK), Cohesive failure/Adhesive Failure; ASTM D1002
27.6 MPa
4000 psi
Overlap, Etched Aluminum, Isopropanol at RT for 30 days immersion, Cohesive Failure
27.6 MPa
4000 psi
Overlap, Aluminum-etched, Cohesive failure; ASTM D1002
29.0 MPa
4200 psi
Overlap, Aluminum, 60°C for 1 hr; ASTM D1002
31.0 MPa
4500 psi
Overlap, Etched Aluminum, RT, DI Water 30 days immersion, Cohesive Failure
31.0 MPa
4500 psi
Overlap, Etched Aluminum, 10W30 Motor Oil at RT for 30 days immersion, Cohesive Failure
31.0 MPa
4500 psi
Overlap, Etched Aluminum, -40°C/38°C and 100% RH/90°C; for 30 days, Cohesive Failure
31.7 MPa
4600 psi
Overlap, Aluminum, RT cure for 24 hrs; ASTM D1002
31.7 MPa
4600 psi
Overlap, Aluminum, 49°C for 2 hrs; ASTM D1002
32.4 MPa
4700 psi
Overlap, Etched Aluminum, 50% Antifreeze at RT for 30 days immersion, Cohesive Failure
33.1 MPa
4800 psi
Overlap, Etched Aluminum, RT, 50% for 30 days, Cohesive Failure
33.1 MPa
4800 psi
Overlap, Etched Aluminum, Diesel Fuel at RT for 30 days immersion, Cohesive Failure
33.8 MPa
4900 psi
Overlap, Etched Aluminum, 80°C for 30 days, Cohesive Failure
39.3 MPa
5700 psi
Overlap, Aluminum, 49°C for 3 hrs; ASTM D1002
40.0 MPa
5800 psi
Overlap, Aluminum, 60°C for 2 hrs; ASTM D1002
26.2 MPa

@Temperature -55.0 °C
3800 psi

@Temperature -67.0 °F
Overlap, Aluminum
27.6 MPa

@Temperature 23.0 °C
4000 psi

@Temperature 73.4 °F
Overlap, Aluminum
3.45 MPa

@Temperature 121 °C,
Time 900 sec
500 psi

@Temperature 250 °F,
Time 0.250 hour
Overlap, Aluminum
5.52 MPa

@Temperature 82.0 °C,
Time 900 sec
800 psi

@Temperature 180 °F,
Time 0.250 hour
Overlap, Aluminum
5.52 MPa

@Temperature 82.0 °C,
Time 1800 sec
800 psi

@Temperature 180 °F,
Time 0.500 hour
Overlap, Aluminum
5.86 MPa

@Temperature 82.0 °C,
Time 3600 sec
850 psi

@Temperature 180 °F,
Time 1.00 hour
Overlap, Aluminum
6.55 MPa

@Temperature 82.0 °C,
Time 14400 sec
950 psi

@Temperature 180 °F,
Time 4.00 hour
Overlap, Aluminum
Peel Strength 4.03 kN/m
23.0 pli
Bell Peel Adhesion, CRS, with KTL N16 Deep Draw Lube Oil, Cohesive Failure; ASTM D3167
5.26 kN/m
30.0 pli
Bell Peel Adhesion, Aluminum Etched, with KTL N16 Deep Draw Lube Oil, Cohesive Failure; ASTM D3167
5.61 kN/m
32.0 pli
Bell Peel Adhesion, Aluminum Etched, Cohesive Failure; ASTM D3167
1.23 kN/m

@Temperature 82.0 °C
7.00 pli

@Temperature 180 °F
Bell Pell Adhesion, Aluminum Etched, Adhesive Failure; ASTM D3167
3.51 kN/m

@Temperature -55.0 °C
20.0 pli

@Temperature -67.0 °F
Bell Pell Adhesion, Aluminum Etched, Cohesive Failure; ASTM D3167
5.61 kN/m

@Temperature 23.0 °C
32.0 pli

@Temperature 73.4 °F
Bell Pell Adhesion, Aluminum Etched, Cohesive Failure; ASTM D3167
Electrical Properties Metric English Comments
Volume Resistivity 8.40e+14 ohm-cm
8.40e+14 ohm-cm
ASTM D257
Dielectric Strength 19.5 kV/mm
496 kV/in
ASTM D149
Processing Properties Metric English Comments
Cure Time 240 min
4.00 hour
Time to Handling Strength
2880 min
48.0 hour
Full Cure
Descriptive Properties Value Comments
Appearance Off-white
Base
Pale yellow
Yellow
Accelerator
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