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Resinlab® EP1240RC Flame Retardant Epoxy Casting Resin

Category Polymer , Thermoset , Epoxy , 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® EP1240RC Flame Retardant Epoxy Casting Resin.pdf
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Material Notes:
Resinlab™ EP1240RC is a medium viscosity, flame retardant epoxy casting resin system. It is recognized under the Component Recognition Program of Underwriters Laboratories Inc., (File# E186034, Project 00NK02738) for UL Standard 94. EP1240RC qualifies for a vertical burn rating of V-0 at 3.1 mm thickness. It also gives very good resistance to water, salt spray, inorganic acids and bases and most organic solvents. It cures quickly at room temperature to a tough, semi-rigid polymer. It has good wetting and adhesion to most surfaces and is free flowing to penetrate voids and give good air release. EP1240RC was formulated to a 1/1 volume mix ratio for ease of use in automatic mixing equipment with static mixers. It contains soft, low-abrasion fillers which can separate over time, although they have good resistance to hard settling. If used in side-by-side cartridge format, they should be stored in as cool a place as possible, rotating stock on a FIFO basis. EP1240RC will generally reach handle cure at room temperature within 1 to 4 hours depending upon mass and ambient temperature. Full cure usually achieved within 24 – 48 hours. Cure time can be accelerated by the application of heat after product has gelled. Times and temperatures from 2 hours at 60?C to 30 minutes at 100?C are typical for most castings (less than 100 grams).Information Provided by Resinlab L.L.C., an Ellsworth Adhesives Company.
Physical Properties Metric English Comments
Specific Gravity 1.46 g/cc
1.46 g/cc
Part B; TM R050-16
1.55 g/cc
1.55 g/cc
Mixed; TM R050-16
1.64 g/cc
1.64 g/cc
Part A; TM R050-16
Water Absorption 0.35 %

@Time 86400 sec
0.35 %

@Time 24.0 hour
TM R050-35
Viscosity 5000 cP
5000 cP
Part A, RVT, #6, 20 rpm; TM R050-12
8000 cP
8000 cP
Mixed; TM R050-12
15000 cP
15000 cP
Part B, RVT, #6, 20 rpm; TM R050-12
Mechanical Properties Metric English Comments
Hardness, Shore D 70
70
TM R050-17
Tensile Strength at Break 10.3 MPa
1500 psi
TM R050-36
Tensile Strength, Ultimate 10.3 MPa
1500 psi
TM R050-36
Tensile Strength, Yield 3.45 MPa
500 psi
TM R050-36
Elongation at Break 15 - 20 %
15 - 20 %
TM R050-36
Tensile Modulus 0.276 GPa
40.0 ksi
TM R050-36
Compressive Yield Strength 5.17 MPa
750 psi
TM R050-38
Compressive Strength 41.4 MPa
6000 psi
Break; TM R050-38
44.8 - 48.3 MPa
6500 - 7000 psi
Ultimate; TM R050-38
Compressive Modulus 2.07 GPa
300 ksi
TM R050-38
Adhesive Bond Strength 6.89 MPa
1000 psi
Lap shear; 2024 T3 Al Abraded / MEK Wipe; TM R050-37
Thermal Properties Metric English Comments
CTE, linear 40.0 µm/m-°C
22.2 µin/in-°F
Thermal Conductivity 0.500 W/m-K
3.47 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 67.0 °C
153 °F
TM R050-25
Electrical Properties Metric English Comments
Volume Resistivity 8.10e+15 ohm-cm
8.10e+15 ohm-cm
Dielectric Constant 4.8

@Frequency 100 Hz,
Temperature 25.0 °C
4.8

@Frequency 100 Hz,
Temperature 77.0 °F
Dielectric Strength 16.1 kV/mm
410 kV/in
Processing Properties Metric English Comments
Cure Time 120 min

@Temperature 60.0 °C
2.00 hour

@Temperature 140 °F
1440 - 2880 min

@Temperature 25.0 °C
24.0 - 48.0 hour

@Temperature 77.0 °F
Pot Life 20 - 30 min
20 - 30 min
Mass: 100g; TM R050-19
Descriptive Properties Value Comments
Color Black
Mix Ratio 1.15:1
Weight
1:1
Volume
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