Henkel Loctite® Stycast® S5225 Two-Component Easy Mix Ratio Encapsulant

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Henkel Loctite® Stycast® S5225 Two-Component Easy Mix Ratio Encapsulant
Categories:	Polymer; Adhesive; Thermoset; Silicone; Silicone, RTV, Adhesive/Sealant Grade
Material Notes:	Primarily designed for ease of use in either meter mix or manual dispense operations. These products also offer a wide range of features including heat dissipation, thermal and mechanical shock resistance, and thermal conductivity. Mix Ratio by weight = 100:100 Poor Chemical Resistance Filled Low Viscosity High temperature Cure Type: Room Temp or Heat Bonding Type: Silicone
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Physical Properties	Original Value	Comments

Density	1.59 g/cc	Mixed
Brookfield Viscosity	2230 cP	50 rpm
	2420 cP	Mixed; 50 rpm
	2550 cP	Part B; 50 rpm

Mechanical Properties	Original Value	Comments
Hardness, Shore A	53

Electrical Properties	Original Value	Comments
Volume Resistivity	1.50e+13 ohm-cm
Dielectric Constant	3.0 @Frequency 1e+6 Hz
Dielectric Strength	17.7 kV/mm
Dissipation Factor	0.010 @Frequency 1e+6 Hz

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	220 °C
Minimum Service Temperature, Air	-60.0 °C
Glass Transition Temp, Tg	-120 °C

Processing Properties	Original Value	Comments
Cure Time	0.500 hour @Temperature 150 °C	Option 3. Post cure of 1 hour at 100ºC recommended
	1.00 hour @Temperature 100 °C	Option 2, Post cure of 1 hour at 100ºC is recommended.
	16.0 hour @Temperature 25.0 °C	Option 1, For optimum performance, follow the initial cure with a post cure of 1 hour at 100ºC.
Working Life	240 min @Temperature 25.0 °C	100 g
Shelf Life	6.00 Month

Descriptive Properties
Appearance	Black	Part B
	Gray	Cured
	Off White	Part A
Mix Ratio, by Volume	100 : 100	Part A : Part B
Mix Ratio, by Weight	100 : 100	Part A : Part B

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