Henkel Loctite® Stycast® EO 1058 One-Component Epoxy Compound

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Henkel Loctite® Stycast® EO 1058 One-Component Epoxy Compound
Categories:	Polymer; Thermoset; Epoxy; Epoxy Encapsulant, Unreinforced
Material Notes:	Loctite Stycast EO 1058 provides the following product characteristics: Cure: Heat cure Application: Potting and Encapsulating Loctite Stycast EO 1058 is a one component, epoxy compound that cures at 125ºC. Loctite Stycast EO 1058 provides excellent environmental and thermal protection to encapsulated parts. This product is especially suited for use in protecting sensors used in harsh environments such as automotive applications. Information provided by Henkel.
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Physical Properties	Original Value	Comments

Specific Gravity	1.65 g/cc	Uncured
Filler Content	62 %
Moisture Absorption	0.780 % @Pressure 0.103 MPa, Time 432000 sec	PCT
Brookfield Viscosity	50000 cP	Spindle 7, speed 20 rpm

Mechanical Properties	Original Value	Comments
Hardness, Shore D	90
Tensile Strength	70.0 MPa
Elongation at Break	1.96 %
Modulus of Elasticity	4.826 GPa
Flexural Strength	83.0 MPa
Flexural Modulus	7860 MPa

Electrical Properties	Original Value	Comments
Dielectric Constant	3.77 @Frequency 100000 Hz, Temperature 25.0 °C
	3.78 @Frequency 100000 Hz, Temperature 100 °C
	3.98 @Frequency 10000 Hz, Temperature 100 °C
	4.0 @Frequency 10000 Hz, Temperature 25.0 °C
	4.27 @Frequency 1000 Hz, Temperature 100 °C
	4.31 @Frequency 1000 Hz, Temperature 25.0 °C
Dissipation Factor	0.00494 @Frequency 1000 Hz, Temperature 25.0 °C
	0.00505 @Frequency 1000 Hz, Temperature 100 °C
	0.030 @Frequency 100000 Hz, Temperature 100 °C
	0.0349 @Frequency 100000 Hz, Temperature 25.0 °C
	0.0411 @Frequency 10000 Hz, Temperature 100 °C
	0.0456 @Frequency 10000 Hz, Temperature 25.0 °C

Thermal Properties	Original Value	Comments
CTE, linear	24.0 µm/m-°C	Alpha 1
Thermal Conductivity	0.540 W/m-K
Glass Transition Temp, Tg	140 °C

Processing Properties	Original Value	Comments
Cure Time	2.00 hour @Temperature 140 °C	Option 1
	3.00 hour @Temperature 125 °C	Option 2
Pot Life	14400 min @Temperature 25.0 °C	10 Days, Pot Life @ 25 °C
Gel Time	12.0 min @Temperature 121 °C
Shelf Life	7.00 Month @Temperature -40.0 °C	From date of manufacture

Descriptive Properties
Appearance	Black

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PHENK7946 / 255431

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