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Tra-Con Tra-Bond 931-1 Low Viscosity Encapsulant

Category Polymer , Adhesive , Thermoset , Epoxy
Manufacturer Tra-Con, Inc.
Trade Name Tra-Bond
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Tra-Con Tra-Bond 931-1 Low Viscosity Encapsulant.pdf
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Material Notes:
TRA-BOND 931-1 low viscosity epoxy encapsulant is designed for high reliability applications, where capillary action is desired. This encapsulant provides environmental and mechanical protection.Information provided by Tra-Con Inc.
Physical Properties Metric English Comments
Specific Gravity 1.20 g/cc
1.20 g/cc
Cured
Viscosity 300 cP

@Temperature 25.0 °C
300 cP

@Temperature 77.0 °F
After mixing
Mechanical Properties Metric English Comments
Hardness, Shore D 88
88
Adhesive Bond Strength 24.1 MPa
3500 psi
Lap shear, alum to alum, @ 25°C
Thermal Properties Metric English Comments
CTE, linear 67.0 µm/m-°C
37.2 µin/in-°F
Below Tg
240 µm/m-°C
133 µin/in-°F
Above Tg
Thermal Conductivity 0.200 W/m-K

@Temperature 121 °C
1.39 BTU-in/hr-ft²-°F

@Temperature 250 °F
Maximum Service Temperature, Air 140 °C
284 °F
Minimum Service Temperature, Air -20.0 °C
-4.00 °F
Glass Transition Temp, Tg 100 °C
212 °F
Ultimate Tg
Electrical Properties Metric English Comments
Volume Resistivity 2.00e+14 ohm-cm
2.00e+14 ohm-cm
Dielectric Strength 27.6 kV/mm
700 kV/in
Dissipation Factor 0.026
0.026
Chemical Properties Metric English Comments
Ionic Impurities - Na (Sodium) 5.0 ppm
5.0 ppm
Ionic Impurities - K (Potassium) 5.0 ppm
5.0 ppm
Ionic Impurities - Cl (Chloride) 100 ppm
100 ppm
Processing Properties Metric English Comments
Cure Time 1443 min
24.05 hour
3 min @ 130°C + 24 hrs @ 25°C
1445 min
24.08 hour
5 min @ 100°C + 24 hrs @ 25°C
60.0 min

@Temperature 100 °C
1.00 hour

@Temperature 212 °F
Descriptive Properties Value Comments
Color Clear, Amber
Thixotropic Index 1
Weight Loss % 1
At 300°C
Working Life hours 6
At 25°C
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