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Ensinger PEI

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Henkel Loctite® Stycast® 5952-1 Two-Component Silicone Encapsulant
Categories: Polymer; Thermoset; Silicone; Silicone Elastomer, for Thermal Management

Material Notes: Loctite Stycast 5952-1 provides the following product characteristics:
  • Electrically non-conductive
  • Good elongation strength
  • Moderate tear strength
  • High thermal conductivity

Cure: Heat cure

Application: Potting or Encapsulant

Typical Assembly Applications: Transformers, Rectifiers, Thyristors, Power supplies and Heat generating modules

Other Application Areas: Thermally conductive roll coatings, Heat sinks and Thermal pads

Loctite Stycast 5952-1 is designed for encapsulation of heat generating devices. It is also recommended for applications requiring a non-corrosive casting and coating.

Loctite Stycast 5952-1 may be cured over a broad range of temperatures. After 24 hours at room temperature, it will be hard enough to handle. Optimum properties will be achieved after 7 days. Loctite Stycast 5952-1 can be cured rapidly at elevated temperatures, even in thick sections. For optimum performance, follow the initial cure with a post cure of 2 hours at 175ºC.

Information provided by Henkel.

Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesOriginal ValueComments
Density 2.05 g/ccMixed
 2.05 g/ccPart A
 2.125 g/ccPart B
Viscosity 25000 cPPart B
 30000 cPMixed
 60000 cPPart A
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore A 75
Tensile Strength 4.00 MPa
Elongation at Break 45 %
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity 1.00e+14 ohm-cm
Dielectric Constant 5.0
@Frequency 1e+6 Hz
Dielectric Strength 17.0 kV/mmASTM D149
Dielectric Loss Index 0.010
@Frequency 1e+6 Hz
 
Thermal PropertiesOriginal ValueComments
CTE, linear 200 µm/m-°C
Thermal Conductivity 0.800 W/m-K
 
Processing PropertiesOriginal ValueComments
Cure Time 1.00 hour
@Temperature 100 °C
Loctite Stycast 5952-1 may be cured over a broad range of temperatures.
Pot Life 100 min
@Temperature 100 °C
Mixed Pot Life
Shelf Life 6.00 MonthPart A, from date of manufacture
 6.00 MonthPart B, from date of manufacture
 
Descriptive Properties
AppearanceRedPart A
 WhitePart B
Mix Ratio, by Weight1 : 1Part A : Part B

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to go back to viewing the property data in MatWeb's normal format.

PHENK7940 / 255425

Proto3000 – 3D Engineering Solutions

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