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Metal adhesives

Resinlab® EP1295 Black Medium Viscosity, Halogen Free, Flame Retardant Epoxy Casting Resin
Categories: Polymer; Thermoset; Epoxy; Epoxy Cure Resin

Material Notes: Resinlab™ EP1295 Black is a medium viscosity, halogen free, 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. EP1295 Black qualifies for a vertical burn rating of V-0 at 6.1 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. EP1295 Black 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 at 5C, rotating stock on a FIFO basis. EP1295 Black will generally reach handle cure at room temperature within 16 to 24 hours depending upon mass and ambient temperature. Full cure usually achieved within 48 – 72 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.

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Physical PropertiesMetricEnglishComments
Specific Gravity 1.32 g/cc1.32 g/ccPart B; TM R050-16
 1.39 g/cc1.39 g/ccMixed; TM R050-16
 1.46 g/cc1.46 g/ccPart A; TM R050-16
Water Absorption 0.56 %
@Time 86400 sec
0.56 %
@Time 24.0 hour
TM R050-35
Viscosity 8500 cP8500 cPPart A, RVT, #4, 10 rpm.; TM R050-12
 13500 cP13500 cPPart B, RVT, #4, 10 rpm.; TM R050-12
 11000 cP
@Shear Rate 1.00 1/s
11000 cP
@Shear Rate 1.00 1/s
Mixed
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 5555
Tensile Strength at Break 5.17 MPa750 psiTM R050-36
Tensile Strength, Ultimate 5.17 MPa750 psiTM R050-36
Tensile Strength, Yield 1.03 MPa150 psiTM R050-36
Elongation at Break 18 - 22 %18 - 22 %TM R050-36
Tensile Modulus 0.0207 - 0.0345 GPa3.00 - 5.00 ksiTM R050-36
Compressive Yield Strength 3.10 MPa450 psiTM R050-38
Compressive Strength 13.8 MPa2000 psiBreak; TM R050-38
 34.5 MPa5000 psiUltimate; TM R050-38
Compressive Modulus 0.0552 - 0.0689 GPa8.00 - 10.0 ksiTM R050-38
Adhesive Bond Strength 5.86 MPa850 psiLap Shear-Aluminum
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 1.20e+12 ohm-cm1.20e+12 ohm-cm
Dielectric Constant  4.8
@Frequency 100000 Hz
4.8
@Frequency 100000 Hz
 6.6
@Frequency 100 Hz
6.6
@Frequency 100 Hz
Dielectric Strength 16.1 kV/mm410 kV/in
Dissipation Factor  0.060
@Frequency 100000 Hz
0.060
@Frequency 100000 Hz
 0.20
@Frequency 100 Hz
0.20
@Frequency 100 Hz
 
Thermal PropertiesMetricEnglishComments
CTE, linear  70.0 µm/m-°C
@Temperature <=10.0 °C
38.9 µin/in-°F
@Temperature <=50.0 °F
Below Tg
 175 µm/m-°C
@Temperature >=10.0 °C
97.2 µin/in-°F
@Temperature >=50.0 °F
Above Tg
Thermal Conductivity 0.300 W/m-K2.08 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air 150 °C302 °F
Minimum Service Temperature, Air -40.0 °C-40.0 °F
Glass Transition Temp, Tg 10.0 °C50.0 °F
 
Processing PropertiesMetricEnglishComments
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 10.0 min10.0 min
 
Descriptive Properties
Appearanceblack liquid
Mix Ratio1.08:1Weight
 1:1Volume
Side-By-Side Cartridges CapableYes

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PRESL129 / 101543

Metal adhesives

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