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Resinlab® EP1238 Black Acrylic / Epoxy Hybrid Adhesive

Category Polymer , Adhesive , Thermoset , Epoxy , Epoxy Adhesive
Manufacturer Resinlab®
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Resinlab® EP1238 Black Acrylic / Epoxy Hybrid Adhesive.pdf
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Material Notes:
Resinlab™ EP1238 Black is a two part acrylic / epoxy hybrid adhesive designed for bonding metals and plastics. It cures quickly at room temperature to a tough, semi-rigid material. It has good wetting to most surfaces and has controlled flow characteristics to give good wetting without excessive running or dripping. This product gives very good vibration and impact resistance. It gives good resistance to water, salt spray, inorganic acids and bases and most organic solvents. It was especially formulated to a 2A:1B volume mix ratio for use in side-by-side dispensing cartridges and meter/mix and dispense equipment. EP1238 Black will reach handle cure at room temperature within 6 – 12 hours. Cure time can be accelerated by the application of heat. Times and temperatures from 2 hours at 65°C to 30 minutes at 100°C are typical for most applications. Time to heat substrate must be taken into account. Cooler temperatures will also extend work time and increase cure times.Information Provided by Resinlab L.L.C., an Ellsworth Adhesives Company.
Physical Properties Metric English Comments
Specific Gravity 1.09 g/cc
1.09 g/cc
Part B; TM R050-16
1.13 g/cc
1.13 g/cc
Mixed; TM R050-16
1.16 g/cc
1.16 g/cc
Part A; TM R050-16
Water Absorption 0.25 %

@Time 86400 sec
0.25 %

@Time 24.0 hour
TM R050-35
Viscosity 40000 cP
40000 cP
Part A, RVT, #5, 2.5 rpm; TM R050-12
65000 cP
65000 cP
Mixed; TM R050-12
90000 cP
90000 cP
Part B, RVT, #6, 2.5 rpm; TM R050-12
Mechanical Properties Metric English Comments
Hardness, Shore D 80
80
TM R050-17
Tensile Strength at Break 58.6 MPa
8500 psi
TM R050-36
Tensile Strength, Ultimate 58.6 MPa
8500 psi
TM R050-36
Tensile Strength, Yield 20.7 MPa
3000 psi
TM R050-36
Elongation at Break 3.0 - 4.0 %
3.0 - 4.0 %
TM R050-36
Tensile Modulus 3.10 GPa
450 ksi
TM R050-36
Compressive Yield Strength 62.1 MPa
9000 psi
TM R050-38
Compressive Strength 138 MPa
20000 psi
Break; TM R050-38
145 MPa
21000 psi
Ultimate; TM R050-38
Compressive Modulus 2.41 GPa
350 ksi
TM R050-38
Adhesive Bond Strength 27.6 MPa
4000 psi
Lap shear; 2024 T3 Al Abraded / MEK Wipe; TM R050-37
Peel Strength 4.38 kN/m
25.0 pli
Al to Al
Thermal Properties Metric English Comments
CTE, linear 80.0 µm/m-°C

@Temperature <=60.0 °C
44.4 µin/in-°F

@Temperature <=140 °F
below Tg
194 µm/m-°C

@Temperature >=60.0 °C
108 µin/in-°F

@Temperature >=140 °F
above Tg
Thermal Conductivity 0.180 W/m-K
1.25 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 60.0 °C
140 °F
TM R050-25
Electrical Properties Metric English Comments
Volume Resistivity 1.60e+15 ohm-cm
1.60e+15 ohm-cm
Dielectric Constant 6.3

@Frequency 100 Hz,
Temperature 25.0 °C
6.3

@Frequency 100 Hz,
Temperature 77.0 °F
Dielectric Strength 35.0 kV/mm
888 kV/in
Processing Properties Metric English Comments
Cure Time 120 min

@Temperature 65.0 °C
2.00 hour

@Temperature 149 °F
1440 min

@Temperature 25.0 °C
24.0 hour

@Temperature 77.0 °F
Pot Life 20 min
20 min
Mass: 50g; TM R050-19
Descriptive Properties Value Comments
Color Black
Mix Ratio 100:47
Weight
2:1
Volume
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