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Epoxy Technology EPO-TEK® 731 Epoxy Adhesive

Category Polymer , Adhesive , Thermoset , Epoxy , Epoxy Adhesive
Manufacturer Epoxy Technology
Trade Name EPO-TEK®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Epoxy Technology EPO-TEK® 731 Epoxy Adhesive.pdf
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Material Notes:
Material Description: A two component, thixotropic, room temperature-curing epoxy adhesive. It is an electrically and thermally insulating epoxy designed for general applications in semiconductor packaging, electronics, medical, and optical industries. A higher viscosity version of EPO-TEK® 730.Information Provided by Epoxy Technology
Physical Properties Metric English Comments
Specific Gravity 0.970 g/cc
0.970 g/cc
Part A
1.12 g/cc
1.12 g/cc
Part B
Particle Size <= 20 µm
<= 20 µm
Viscosity 175000 - 275000 cP

@Temperature 23.0 °C
175000 - 275000 cP

@Temperature 73.4 °F
1 rpm
Mechanical Properties Metric English Comments
Hardness, Shore D 66
66
Tensile Modulus 1.36 GPa
197 ksi
Storage
Shear Strength >= 13.8 MPa
>= 2000 psi
Lap
>= 23.4 MPa
>= 3400 psi
Die
Thermal Properties Metric English Comments
CTE, linear 74.0 µm/m-°C
41.1 µin/in-°F
Below Tg
168 µm/m-°C
93.3 µin/in-°F
Above Tg
Maximum Service Temperature, Air 200 °C
392 °F
Continuous
300 °C
572 °F
Intermittent
Minimum Service Temperature, Air -55.0 °C
-67.0 °F
Continuous
-55.0 °C
-67.0 °F
Intermittent
Glass Transition Temp, Tg >= 55.0 °C
>= 131 °F
Dynamic Cure 20—200°C /ISO 25 Min; Ramp 10—200°C @ 20°C/Min
Electrical Properties Metric English Comments
Volume Resistivity <= 2.00e+13 ohm-cm
<= 2.00e+13 ohm-cm
Dielectric Constant 3.38

@Frequency 1000 Hz
3.38

@Frequency 1000 Hz
Dissipation Factor 0.028

@Frequency 1000 Hz
0.028

@Frequency 1000 Hz
Processing Properties Metric English Comments
Cure Time 30.0 min

@Temperature 100 °C
0.500 hour

@Temperature 212 °F
minimum
1440 min

@Temperature 23.0 °C
24.0 hour

@Temperature 73.4 °F
minimum
Pot Life 90 min
90 min
Shelf Life 12.0 Month

@Temperature 25.0 °C
12.0 Month

@Temperature 77.0 °F
Descriptive Properties Value Comments
Color Tan
Part A
Tan
Part B
Consistency Smooth paste
Mix Ratio By Weight 1:1
Number of Components Two
Weight Loss 0.47%
200°C
0.92%
250°C
1.62%
300°C
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