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Master Bond adhesives

3M Scotch-Weld™ DP420 Black Epoxy Adhesive
Categories: Polymer; Adhesive; Thermoset; Epoxy; Epoxy Adhesive
Material Notes: 3M™ Scotch-Weld™ Epoxy Adhesive are high performance, two-part epoxy adhesives offering outstanding shear and peel adhesion, and very high levels of durability.

Information provided by 3M
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Physical PropertiesMetricEnglishComments
Viscosity 60000 - 130000 cP60000 - 130000 cPAccelerator
 190000 - 270000 cP190000 - 270000 cPBase
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 75 - 8075 - 80
Shear Strength 0.483 MPa70.0 psiOverlap, Isopropyl Alcohol Wipe surface prep, Neoprene/Steel
 1.24 MPa180 psiOverlap, Isopropyl Alcohol/Abrade/Isopropyl Alcohol surface prep, Neoprene/Steel
 1.31 MPa190 psiOverlap, Isopropyl Alcohol Wipe surface prep, Polystyrene
 2.48 MPa360 psiOverlap, Isopropyl Alcohol/Abrade/Isopropyl Alcohol surface prep, Polycarbonate
 2.62 MPa380 psiOverlap, Isopropyl Alcohol Wipe surface prep, FRP
 2.76 MPa400 psiOverlap, Isopropyl Alcohol Wipe surface prep, Polycarbonate
 3.03 MPa440 psiOverlap, Isopropyl Alcohol Wipe surface prep, Polyacrylic
 3.10 MPa450 psiOverlap, Isopropyl Alcohol Wipe surface prep, ABS PVC
 3.10 MPa450 psiOverlap, Isopropyl Alcohol/Abrade/Isopropyl Alcohol surface prep, Polyacrylic
 3.10 MPa450 psiOverlap, Isopropyl Alcohol/Abrade/Isopropyl Alcohol surface prep, Polystyrene
 3.79 MPa550 psiOverlap, Isopropyl Alcohol/Abrade/Isopropyl Alcohol surface prep, ABS PVC
 4.00 MPa580 psiOverlap, Isopropyl Alcohol/Abrade/Isopropyl Alcohol Wipe surface prep, FRP
 4.14 MPa600 psiOverlap, Isopropyl Alcohol Wipe surface prep, Phenolic
 7.58 MPa1100 psiOverlap, Isopropyl Alcohol/Abrade/Isopropyl Alcohol surface prep, Phenolic
 8.96 MPa1300 psiOverlap, Isopropyl Alcohol/Abrade/Isopropyl Alcohol surface prep, SBR/Steel
 9.65 MPa1400 psiOverlap, Isopropyl Alcohol Wipe surface prep, SBR/Steel
 12.4 MPa1800 psiOverlap, Stainless Steel MEK/abrade/MEK
 15.2 MPa2200 psiOverlap, CRS MEK/abrade/MEK
 17.2 MPa2500 psiOverlap, Aluminum MEK/abrade/MEK
 19.3 MPa2800 psiOverlap, Brass MEK/abrade/MEK
 20.0 MPa2900 psiOverlap, Galvanized Steel Hot dipped
 20.7 MPa3000 psiOverlap, Galvanized Steel Electrodeposited
 20.7 MPa3000 psiOverlap, Antifreeze/H2O (50/50) immersion, 82°C for 30 days
 24.1 MPa3500 psiOverlap, Methyl Ethyl Ketone immersion, RT for 30 days
 27.6 MPa4000 psiOverlap, Aluminum Oakite degrease
 27.6 MPa4000 psiOverlap, Water Vapor, 49°C at 100% RH for 30 days
 27.6 MPa4000 psiOverlap, Water Vapor, 93°C at 100% RH for 14 days
 27.6 MPa4000 psiOverlap, Skydrol LD-4 immersion, 66°C for 30 days
 29.0 MPa4200 psiOverlap, Distilled Water immersion for 30 days
 31.0 MPa4500 psiOverlap, Aluminum Etched
 31.0 MPa4500 psiOverlap, Isopropyl Alcohol immersion, RT for 30 days
 33.8 MPa4900 psiOverlap, RT at 50% RH for 30 days
 34.5 MPa5000 psiOverlap, Copper MEK/abrade/MEK
 31.0 MPa
@Temperature -55.0 °C		4500 psi
@Temperature -67.0 °F		Aluminum Overlap
 31.0 MPa
@Temperature 23.0 °C		4500 psi
@Temperature 73.4 °F		Aluminum Overlap
 3.93 MPa
@Temperature 121 °C,
Time 900 sec		570 psi
@Temperature 250 °F,
Time 0.250 hour		Aluminum Overlap
 8.69 MPa
@Temperature 82.0 °C,
Time 900 sec		1260 psi
@Temperature 180 °F,
Time 0.250 hour		Aluminum Overlap
 15.5 MPa
@Time 1800 sec		2250 psi
@Time 0.500 hour		Aluminum Overlap
 18.5 MPa
@Time 14400 sec		2690 psi
@Time 4.00 hour		Aluminum Overlap
 20.5 MPa
@Time 3600 sec		2980 psi
@Time 1.00 hour		Aluminum Overlap
Peel Strength 4.38 kN/m25.0 pliCRS, T-Peel, 17-20 mil bondline, MEK/abrade/MEK
 7.01 kN/m40.0 pliCRS, T-Peel, 17-20 mil bondline, Oakite degreased
 8.77 kN/m50.0 pliAluminum Etched, T-Peel, 5-8 mil bondline
 10.5 kN/m60.0 pliAluminum Etched, T-Peel, 17-20 mil bondline
 1.63 kN/m
@Temperature -55.0 °C		9.30 pli
@Temperature -67.0 °F		Aluminum, T-Peel
 3.16 kN/m
@Temperature 82.0 °C		18.0 pli
@Temperature 180 °F		Aluminum, Bell Peel
 3.51 kN/m
@Temperature 82.0 °C		20.0 pli
@Temperature 180 °F		Aluminum, T-Peel
 3.51 kN/m
@Temperature -55.0 °C		20.0 pli
@Temperature -67.0 °F		Aluminum, Bell Peel
 8.77 kN/m
@Temperature 23.0 °C		50.0 pli
@Temperature 73.4 °F		Aluminum, T-Peel
 14.4 kN/m
@Temperature 23.0 °C		82.0 pli
@Temperature 73.4 °F		Aluminum, Bell Peel
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 1.60e+15 ohm-cm1.60e+15 ohm-cmASTM D257
Dielectric Strength 35.0 kV/mm888 kV/inASTM D149
 
Thermal PropertiesMetricEnglishComments
CTE, linear 80.0 µm/m-°C44.4 µin/in-°FBelow Tg
 194 µm/m-°C108 µin/in-°FAbove Tg
Thermal Conductivity 0.180 W/m-K
@Temperature 45.0 °C		1.25 BTU-in/hr-ft²-°F
@Temperature 113 °F
 
Descriptive Properties
AppearanceAmberAccelerator
 BlackBase
 Black

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PMM34643 / 169390




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