3M Scotch-Weld™ DP-105 Epoxy Adhesive

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3M Scotch-Weld™ DP-105 Epoxy Adhesive
Categories:	Polymer; Adhesive; Thermoset; Epoxy; Epoxy Adhesive
Material Notes:	3M™ Scotch-Weld™ Epoxy Adhesive DP105 Clear is a fast setting, very flexible 1:1 mix ratio epoxy adhesive/sealant. Its flexibility when cured makes it ideal for applications involving dissimilar surfaces where thermal coefficient of expansion may be a problem. It is also unique in that it retains its clear, colorless properties even when cured in larger masses where many clear epoxy systems will often turn amber from the reaction exotherm. Information provided by 3M
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Physical Properties	Metric	English	Comments

Brookfield Viscosity	1000 - 5000 cP	1000 - 5000 cP	Base, RVF #7 spindle, 20 rpm @ 27°C
	8000 - 16000 cP	8000 - 16000 cP	Accelerator, RVF #7 spindle, 20 rpm @ 27°C

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	39	39	ASTM D2240
Tensile Strength at Break	4.14 MPa	600 psi	ASTM D882
Elongation at Break	120 %	120 %	ASTM D882
Shear Strength	0.552 MPa	80.0 psi	Overlap, Polypropylene
	1.38 MPa	200 psi	Overlap, Glass, Borosilicate
	1.72 MPa	250 psi	Overlap, +3M Primer 3901
	1.72 MPa	250 psi	Overlap, Acrylic
	2.07 MPa	300 psi	Overlap, Wood, Fir
	2.07 MPa	300 psi	Overlap, ABS
	2.76 MPa	400 psi	Overlap, Polycarbonate
	3.59 MPa	520 psi	Overlap, PVC
	8.96 MPa	1300 psi	Overlap, Cold Rolled Steel
	9.65 MPa	1400 psi	Overlap, Fiberglass
	10.3 MPa	1500 psi	Overlap, Sanded Aluminum
	13.8 MPa	2000 psi	Overlap, Etched Aluminum
	1.03 MPa @Temperature 82.0 °C	150 psi @Temperature 180 °F	Overlap
	1.72 MPa @Temperature 66.0 °C	250 psi @Temperature 151 °F	Overlap
	2.76 MPa @Temperature 49.0 °C	400 psi @Temperature 120 °F	Overlap
	13.8 MPa @Temperature 21.0 °C	2000 psi @Temperature 69.8 °F	Overlap
	24.1 MPa @Temperature -53.0 °C	3500 psi @Temperature -63.4 °F	Overlap
Peel Strength	0.175 kN/m	1.00 pli	180°
	0.351 kN/m	2.00 pli	180°
	0.526 kN/m	3.00 pli	180°
	0.877 kN/m	5.00 pli	180°
	6.14 kN/m	35.0 pli	180°

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.50e+10 ohm-cm	1.50e+10 ohm-cm	ASTM D257
Dielectric Constant	9.2 @Frequency 1000 Hz	9.2 @Frequency 1000 Hz	ASTM D150
Dielectric Strength	18.3 kV/mm @Thickness 0.762 mm	465 kV/in @Thickness 0.0300 in	ASTM D149
Dissipation Factor	0.22 @Frequency 1000 Hz	0.22 @Frequency 1000 Hz	ASTM D150

Thermal Properties	Metric	English	Comments
CTE, linear	181 µm/m-°C @Temperature 40.0 - 140 °C	101 µin/in-°F @Temperature 104 - 284 °F
Thermal Conductivity	0.147 W/m-K @Temperature 44.3 °C	1.02 BTU-in/hr-ft²-°F @Temperature 112 °F	ASTM C177
Glass Transition Temp, Tg	8.00 °C	46.4 °F	Onset
	15.0 °C	59.0 °F	Mid-Point

Processing Properties	Metric	English	Comments
Cure Time	20.0 min	0.333 hour	Handling Strength
	2880 min	48.0 hour
Tack-Free Time	10.0 min	0.167 hour

Descriptive Properties
Appearance	Clear		Base
	Clear		Accelerator
	Clear

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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PMM34618 / 169365

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