Resinlab® EP1121 Clear Electronic Grade Epoxy Encapsulant

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Resinlab® EP1121 Clear Electronic Grade Epoxy Encapsulant
Categories:	Polymer; Thermoset; Epoxy; Epoxy Encapsulant, Unreinforced
Material Notes:	Resinlab™ EP1121 Clear is a two part unfilled electronic grade epoxy encapsulant designed for small to medium sized castings. It cures completely at room temperature to a tough, flexible polymer. Its low viscosity allows for good wicking and penetration into components and circuitry and also gives good air release. It has very good resistance to water, acids and bases and most organic solvents. Thermal shock and cycling properties are also enhanced by its high elongation giving it the ability to absorb difference in CTE's of substrates. It was especially formulated to a 1A:1B volume mix ratio for use in side-by-side dispensing cartridges and meter/mix and dispense equipment. EP1121 Clear will reach full cure at room temperature within 24 to 48 hours. Cure time can be accelerated by the application of heat after product has gelled. Times and temperatures from 1 hour at 65°C to 10 minutes at 100°C are typical for small castings (less than 50 grams). Information Provided by Resinlab L.L.C., an Ellsworth Adhesives Company.
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Available Properties

Specific Gravity, TM R050-16, Part B
Specific Gravity, TM R050-16, Mixed
Specific Gravity, TM R050-16, Part A
Water Absorption, TM R050-35
Viscosity, TM R050-12, Part B, RVT, #5, 20 rpm
Viscosity, TM R050-12, Mixed
Viscosity, TM R050-12, Part A, RVT, #5, 20 rpm
Hardness, Shore D, TM R050-17
Tensile Strength at Break, TM R050-36
Tensile Strength, Ultimate, TM R050-36
Tensile Strength, Yield, TM R050-36
Elongation at Break, TM R050-36
Tensile Modulus, TM R050-36
Compressive Yield Strength, TM R050-38
Compressive Strength, TM R050-38, Ultimate
Compressive Strength, TM R050-38, Break
Compressive Modulus, TM R050-38
Adhesive Bond Strength, TM R050-37, Lap shear; 2024 T3 Al Abraded / MEK Wipe
Volume Resistivity
Dielectric Constant
Dielectric Strength
CTE, linear
Thermal Conductivity
Maximum Service Temperature, Air
Minimum Service Temperature, Air
Glass Transition Temp, Tg, TM R050-25
Transmission, Visible, clear; thickness not quantified
Pot Life, TM R050-19, Mass: 50g

Property Data

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Manufacturer Notes:
none

Category Notes
Plastic

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