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Master Bond adhesives

3M Scotch-Weld™ DP270 Clear Structural Adhesive
Categories: Polymer; Adhesive

Material Notes: Rigid potting compound, Non-corrosive

Information provided by 3M

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Physical PropertiesMetricEnglishComments
Viscosity 12000 cP12000 cP
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 8383ASTM D2240
Compressive Strength 55.8 MPa8100 psiASTM D695-68T
Shear Strength  2.07 MPa
@Temperature 82.0 °C
300 psi
@Temperature 180 °F
Overlap
 2.07 - 2.41 MPa
@Temperature 82.0 °C
300 - 350 psi
@Temperature 180 °F
Overlap Al/Al (etched); ASTM D1002-72
 8.27 MPa
@Temperature -55.0 °C
1200 psi
@Temperature -67.0 °F
Overlap
 8.27 - 8.62 MPa
@Temperature -55.0 °C
1200 - 1250 psi
@Temperature -67.0 °F
Overlap Al/Al (etched); ASTM D1002-72
 11.7 - 12.1 MPa
@Temperature 23.0 °C
1700 - 1750 psi
@Temperature 73.4 °F
Overlap Copper/Copper (MEK Wiped); ASTM D1002-72
 12.1 - 12.4 MPa
@Temperature 23.0 °C
1750 - 1800 psi
@Temperature 73.4 °F
Overlap FR-4/FR-4 (MEK Wiped); ASTM D1002-72
 16.9 - 17.2 MPa
@Temperature 23.0 °C
2450 - 2500 psi
@Temperature 73.4 °F
Overlap Al/Al (etched); ASTM D1002-72
 17.2 MPa
@Temperature 24.0 °C
2500 psi
@Temperature 75.2 °F
Overlap
Peel Strength <= 0.351 kN/m<= 2.00 pli90° T-Peel, Alum/Alum; ASTM D1876-61T
 0.351 kN/m2.00 pliT-Peel
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 4.10e+14 ohm-cm4.10e+14 ohm-cmASTM D257
Dielectric Strength 33.5 kV/mm850 kV/inASTM D149
Dissipation Factor 0.018
@Frequency 1000 Hz
0.018
@Frequency 1000 Hz
ASTM D150
 
Thermal PropertiesMetricEnglishComments
CTE, linear  80.0 µm/m-°C
@Temperature 5.00 - 30.0 °C
44.4 µin/in-°F
@Temperature 41.0 - 86.0 °F
Below Tg
 180 µm/m-°C
@Temperature 60.0 - 125 °C
100 µin/in-°F
@Temperature 140 - 257 °F
Above Tg
Thermal Conductivity 0.177 W/m-K
@Thickness 6.35 mm,
Temperature 43.3 °C
1.23 BTU-in/hr-ft²-°F
@Thickness 0.250 in,
Temperature 110 °F
Glass Transition Temp, Tg 43.0 °C109 °FOnset
 49.0 °C120 °FMid-point
 
Optical PropertiesMetricEnglishComments
Refractive Index 1.6561.656
 
Processing PropertiesMetricEnglishComments
Cure Time 180 min3.00 hourTime to Handling Strength
 2880 min48.0 hour

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