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3M Scotch-Weld™ DP820 Acrylic Adhesives

Category Polymer , Adhesive
Manufacturer 3M
Trade Name Scotch-Weld™
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF 3M Scotch-Weld™ DP820 Acrylic Adhesives.pdf
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Material Notes:
3M™ Scotch-Weld™ Acrylic Adhesive DP820 is a two-part, 1:1 mix ratio, toughened acrylic structural adhesives. They exhibit excellent shear and peel strengths along with good impact and durability and bond well to many metals, ceramics, wood and most plastics.Information provided by 3M
Physical Properties Metric English Comments
Viscosity 45000 cP
45000 cP
Accelerator
70000 cP
70000 cP
Base
Mechanical Properties Metric English Comments
Hardness, Shore D 75
75
Elongation at Break 50 - 75 %
50 - 75 %
ASTM D882
Shear Strength 0.00221 MPa
0.320 psi
Overlap, Aluminum-etched
2.07 MPa
300 psi
Overlap, Aluminum -solvent cleaned only
2.07 MPa
300 psi
Overlap, CRS/CRS tested after 120°C/2 wks
4.83 MPa
700 psi
Overlap, Fiberglass Reinforced Plastic
5.86 MPa
850 psi
Overlap, CRS/CRS tested after 90°C/2 wks/90% RH
5.86 MPa
850 psi
Overlap, CRS/CRS tested after tap water 1 wk/RT
6.89 MPa
1000 psi
Overlap, ABS
6.89 MPa
1000 psi
Overlap, Etched Alum, 93°C/100% RH/2 wks
7.93 MPa
1150 psi
Overlap, Polycarbonate
7.93 MPa
1150 psi
Overlap, CRS (oily) 49°C/100% RH/2 wks
8.27 MPa
1200 psi
Overlap, Galvanized Steel
8.27 MPa
1200 psi
Overlap, Fir Wood
8.62 MPa
1250 psi
Overlap, Acrylic
9.31 MPa
1350 psi
Overlap, CRS/CRS after 7 days of Immersion in IPA
10.3 MPa
1500 psi
Overlap, CRS/CRS after 7 days of Immersion in Gasoline
10.3 MPa
1500 psi
Overlap, FR-4/FR-4 tested after tap water 1 wk/RT
11.0 MPa
1600 psi
Overlap, FR-4/FR-4 tested after 90°C/2 wks/90% RH
11.4 MPa
1650 psi
Overlap, Etched Alum (oily) 49°C/100% RH/4 wks
12.1 MPa
1750 psi
Overlap, PVC
13.4 MPa
1950 psi
Overlap, CRS/CRS after 7 days of Immersion in Machine Oil
13.8 MPa
2000 psi
Overlap, FR-4 Glass Epoxy
13.8 MPa
2000 psi
Overlap, FR-4/FR-4 tested after RT aging
16.5 MPa
2400 psi
Overlap, Cold Rolled Steel (oily)
17.2 MPa
2500 psi
Overlap, Cold Rolled Steel
17.2 MPa
2500 psi
Overlap, Control
17.2 MPa
2500 psi
Overlap, CRS/CRS tested after RT aging
20.0 MPa
2900 psi
Overlap, Aluminum -etched/oily
21.4 MPa
3100 psi
Overlap, Aluminum -120 frit sandpaper
22.8 MPa
3300 psi
Overlap, FR-4/FR-4 tested after 120°C/2 wks
10.0 MPa

@Temperature 93.0 °C
1450 psi

@Temperature 199 °F
Overlap, Etched Alum/Etched Alum
13.1 MPa

@Temperature 83.0 °C
1900 psi

@Temperature 181 °F
Overlap, Etched Alum/Etched Alum
21.4 MPa

@Temperature -55.0 °C
3100 psi

@Temperature -67.0 °F
Overlap, Etched Alum/Etched Alum
21.7 MPa

@Temperature 23.0 °C
3150 psi

@Temperature 73.4 °F
Overlap, Etched Alum/Etched Alum
Peel Strength 1.58 kN/m
9.00 pli
180° T-Peel, Black SBR/CRS
1.93 kN/m
11.0 pli
180° T-Peel, Neoprene/CRS
3.33 kN/m
19.0 pli
180° T-Peel, Etched Al/Etched Al
3.86 kN/m
22.0 pli
180° T-Peel, Etched Al/Etched Al
3.86 kN/m
22.0 pli
180° T-Peel, Etched Al/Etched Al
3.86 kN/m
22.0 pli
180° T-Peel, Etched Al/Etched Al
3.86 kN/m
22.0 pli
180° T-Peel, Etched Al/Etched Al
3.86 kN/m
22.0 pli
180° T-Peel, Etched Al/Etched Al
3.86 kN/m
22.0 pli
180° T-Peel, Nitrile/CRS
Thermal Properties Metric English Comments
CTE, linear 180 µm/m-°C

@Temperature 20.0 - 70.0 °C
100 µin/in-°F

@Temperature 68.0 - 158 °F
Glass Transition Temp, Tg 58.0 °C
136 °F
Electrical Properties Metric English Comments
Volume Resistivity 2.20e+12 ohm-cm
2.20e+12 ohm-cm
ASTM D257
Surface Resistance >= 1.60e+14 ohm
>= 1.60e+14 ohm
ASTM D257
Dielectric Constant 2.8

@Frequency 10000 Hz
2.8

@Frequency 10000 Hz
ASTM D150
2.8

@Frequency 100000 Hz
2.8

@Frequency 100000 Hz
ASTM D150
3.0

@Frequency 1000 Hz
3.0

@Frequency 1000 Hz
ASTM D150
3.1

@Frequency 500 Hz
3.1

@Frequency 500 Hz
ASTM D150
Dissipation Factor 0.022

@Frequency 100000 Hz
0.022

@Frequency 100000 Hz
ASTM D150
0.032

@Frequency 10000 Hz
0.032

@Frequency 10000 Hz
ASTM D150
0.065

@Frequency 1000 Hz
0.065

@Frequency 1000 Hz
ASTM D150
0.083

@Frequency 500 Hz
0.083

@Frequency 500 Hz
ASTM D150
Processing Properties Metric English Comments
Cure Time 1440 - 2880 min
24.0 - 48.0 hour
Full cure
Descriptive Properties Value Comments
Appearance Off-white
Base
Pale Yellow
Yellow
Accelerator
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