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Ensinger PEI

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Henkel Loctite® Stycast® EE 4215/HD 3561 Two-Component Epoxy Encapsulant
Categories: Polymer; Thermoset; Epoxy; Epoxy Encapsulant, Unreinforced
Material Notes: Loctite Stycast EE 4215/HD 3561 provides the following product characteristics:
  • Improved thermal conductivity
  • Heat resistant
  • Thermal shock resistant

Cure: Heat cure

Application: Potting and Encapsulating

Loctite Stycast EE 4215/HD 3561 is a filled system recommended for potting applications where rigid or flexible wire leads protrude directly from the encapsulation and where high impact strength is required. This system eliminates microscopic cracking on flexing of leads. It adheres well to lead materials, such as vinyl or neoprene.

Information provided by Henkel.
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Physical PropertiesOriginal ValueComments
Density 1.00 g/ccPart B, HD3561
 1.50 g/ccCured
 1.50 g/ccCured
 1.60 g/ccPart A, Loctite Stycast EE4215
Filler Content 50 %Part A, Loctite Stycast EE4215
Water Absorption 0.21 %
@Time 86400 sec
Viscosity 2000 cPMixed
Brookfield Viscosity 20 cPPart B, HD3561; Spindle 1, speed 20 rpm
 80000 cPPart A, Loctite Stycast EE4215; Spindle 6, speed 10 rpm
Linear Mold Shrinkage 0.0050 cm/cm
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore D 83
Tensile Strength 58.0 MPa
Elongation at Break 2.2 %
Flexural Strength 106 MPa
Compressive Yield Strength 104 MPa
Compressive Strength 155 MPa
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity 2.00e+10 ohm-cm
@Temperature 80.0 °C
 4.00e+14 ohm-cm
@Temperature 25.0 °C
Dielectric Constant 4.21
@Frequency 100000 Hz,
Temperature 25.0 °C
 4.41
@Frequency 10000 Hz,
Temperature 25.0 °C
 4.5
@Frequency 1000 Hz,
Temperature 25.0 °C
 4.51
@Frequency 100 Hz,
Temperature 25.0 °C
 5.27
@Frequency 100000 Hz,
Temperature 80.0 °C
 5.58
@Frequency 10000 Hz,
Temperature 80.0 °C
 6.1
@Frequency 1000 Hz,
Temperature 80.0 °C
 6.92
@Frequency 100 Hz,
Temperature 80.0 °C
Dielectric Strength 1500 V/mil
@Thickness 10.0 mm
Dissipation Factor 0.0070
@Frequency 1000 Hz,
Temperature 80.0 °C
 0.010
@Frequency 100 Hz,
Temperature 25.0 °C
 0.017
@Frequency 10000 Hz,
Temperature 25.0 °C
 0.021
@Frequency 100 Hz,
Temperature 80.0 °C
 0.027
@Frequency 100000 Hz,
Temperature 25.0 °C
 0.030
@Frequency 100000 Hz,
Temperature 80.0 °C
 0.046
@Frequency 10000 Hz,
Temperature 80.0 °C
 0.086
@Frequency 1000 Hz,
Temperature 25.0 °C
Arc Resistance 138 sec
 
Thermal PropertiesOriginal ValueComments
CTE, linear 53.0 µm/m-°CPre Tg (Alpha 1)
 119 µm/m-°CPost Tg (Alpha 2)
Thermal Conductivity 0.461 W/m-K
Deflection Temperature at 1.8 MPa (264 psi) 85.0 °C
 
Processing PropertiesOriginal ValueComments
Cure Time 3.00 hour
@Temperature 60.0 °C		Recommended
 24.0 hour
@Temperature 22.0 °C		Alternative
Pot Life 80.0 min
@Temperature 25.0 °C		200 gm mass
 
Descriptive Properties
AppearanceBlackCured
 BlackPart A, Loctite Stycast EE4215
 Gardner 3Part B, HD3561, Maximum
Mix Ratio, by Volume100 : 24Part A : Part B
Mix Ratio, by Weight100 : 15Part A : Part B
Peak Exotherm Temperature (°C)115200 gram mass

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PHENK7945 / 255430

Proto3000 – 3D Engineering Solutions




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