Henkel Loctite® Stycast® US 1195 Two-Component Urethane

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Henkel Loctite® Stycast® US 1195 Two-Component Urethane
Categories:	Polymer; Thermoset; Polyurethane, TS
Material Notes:	Loctite Stycast US 1195 provides the following product characteristics: High Hardness Mineral-filled Low Tg Cure: Room temperature cure followed by heat cure Application: Potting and Encapsulating Typical Assembly Applications: Circuit Board Protection, Automotive electronic applications or Telecommunication devices Loctite Stycast US 1195 is formulated for potting electronics or devices for protection against environmental hazards. This material exhibits high hardness compared to other urethane materials allowing improved durability and impact resistance. It's low Tg allows for better thermal cycle performance to meet low temperature requirements in harsh environments. Loctite Stycast US 1195 passed internal flammability testing at 3 mm thickness. Information provided by Henkel.
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Physical Properties	Original Value	Comments

Density	1.24 g/cc	Part A
	1.43 g/cc	Mixed
	1.45 g/cc	Part B
Brookfield Viscosity	55 cP	Part A; RVF
	19000 cP	Mixed; Spindle 51, speed 5.0 rpm
	40000 cP	Spindle 51, speed 5.0 rpm

Mechanical Properties	Original Value	Comments
Hardness, Shore A	91

Electrical Properties	Original Value	Comments
Volume Resistivity	9.60e+14 ohm-cm
Dielectric Constant	3.63 @Frequency 1e+6 Hz
	3.7 @Frequency 100000 Hz
Dielectric Strength	42.0 kV/mm @Thickness 20.0 mm
Dissipation Factor	0.0342 @Frequency 100000 Hz
	0.1208 @Frequency 1e+6 Hz

Thermal Properties	Original Value	Comments
CTE, linear	58.0 µm/m-°C @Temperature <=-75.0 °C	Below Tg
	128 µm/m-°C @Temperature >=-75.0 °C	Above Tg
Thermal Conductivity	0.670 W/m-K	Laser Flash
Glass Transition Temp, Tg	-75.0 °C	TMA

Processing Properties	Original Value	Comments
Cure Time	4.00 hour @Temperature 65.0 °C
Gel Time	30.0 min
Shelf Life	6.00 Month	Part A, from date of manufacture
	6.00 Month	Part B, from date of manufacture

Descriptive Properties
Appearance	Black	Mixed
	Black Paste	Part B
	Dark Brown Liquid	Part A
Mix Ratio, by Volume	13.45 : 100	Part A : Part B
Mix Ratio, by Weight	11.5 : 100	Part A : Part B

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PHENK7966 / 255450

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