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Resinlab® EP1121-4 Adhesive / Casting Resin

Category Polymer , Adhesive , Thermoset , Epoxy , Epoxy Adhesive , Epoxy Cure Resin
Manufacturer Resinlab®
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Resinlab® EP1121-4 Adhesive / Casting Resin.pdf
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Material Notes:
Resinlab™ EP1121-4 is a highly filled, high viscosity black adhesive / casting resin designed for applications requiring a high degree of thermal conductivity, flexibility, and a low CTE. It gives good resistance to acids, salt water, and most organic compounds. Its high elongation also enhances thermal shock and cycling properties. It is thixotropic version of EP1200 to provide a non-flow, non-sag viscosity. It was especially formulated to a 1:1 mix ratio for use in MMD equipment or side-by side cartridges. It contains abrasive aluminum oxide filler, which can introduce wear considerations for wetted components. It shows very good stability in side-by-side cartridges. Cure is normally achieved at room temperature although an elevated cure schedule can be used to reach final properties quickly. This product was designed to be cured in less than 2 hours at 65oC for ease of processing.Information Provided by Resinlab L.L.C., an Ellsworth Adhesives Company.
Physical Properties Metric English Comments
Specific Gravity 2.08 g/cc
2.08 g/cc
Part B; TM R050-16
2.11 g/cc
2.11 g/cc
Mixed; TM R050-16
2.14 g/cc
2.14 g/cc
Part A; TM R050-16
Water Absorption 0.32 %

@Time 86400 sec
0.32 %

@Time 24.0 hour
TM R050-35
Viscosity 500000 cP
500000 cP
Part A, RVT, #7, 2.5 rpm; TM R050-12
850000 cP
850000 cP
Mixed; TM R050-12
1.20e+6 cP
1.20e+6 cP
Part B, RVT, #7, 2.5 rpm; TM R050-12
Mechanical Properties Metric English Comments
Hardness, Shore A 95
95
TM R050-17
Tensile Strength at Break 7.93 MPa
1150 psi
TM R050-36
Tensile Strength, Ultimate 7.93 MPa
1150 psi
TM R050-36
Tensile Strength, Yield 1.59 MPa
230 psi
TM R050-36
Elongation at Break 10 - 15 %
10 - 15 %
TM R050-36
Tensile Modulus 0.138 GPa
20.0 ksi
TM R050-36
Compressive Yield Strength 9.65 MPa
1400 psi
TM R050-38
Compressive Strength 24.1 MPa
3500 psi
Break; TM R050-38
41.4 MPa
6000 psi
Ultimate; TM R050-38
Compressive Modulus 0.207 GPa
30.0 ksi
TM R050-38
Adhesive Bond Strength 11.0 MPa
1600 psi
Lap shear; 2024 T3 Al Abraded / MEK Wipe; TM R050-37
Thermal Properties Metric English Comments
CTE, linear 44.0 µm/m-°C
24.4 µin/in-°F
Thermal Conductivity 1.11 W/m-K
7.70 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air 150 °C
302 °F
Minimum Service Temperature, Air -40.0 °C
-40.0 °F
Glass Transition Temp, Tg 35.0 °C
95.0 °F
TM R050-25
Electrical Properties Metric English Comments
Volume Resistivity 2.40e+12 ohm-cm
2.40e+12 ohm-cm
Dielectric Constant 5.3

@Frequency 100 Hz,
Temperature 25.0 °C
5.3

@Frequency 100 Hz,
Temperature 77.0 °F
Dielectric Strength 16.9 kV/mm
430 kV/in
Processing Properties Metric English Comments
Cure Time 120 min

@Temperature 65.0 °C
2.00 hour

@Temperature 149 °F
1440 - 4320 min

@Temperature 25.0 °C
24.0 - 72.0 hour

@Temperature 77.0 °F
Pot Life 90 - 120 min
90 - 120 min
Mass: 100g; TM R050-19
Descriptive Properties Value Comments
Color Black
Mix Ratio 1:1
Volume
95:100
Weight
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