LOCTITE STYCAST US 5544

LOCTITE STYCAST US 5544, Potting and Encapsulating LOCTITE® STYCAST US 5544 is a fast gelling, flexible, flame retardant, mineral-filled, polyurethane compound. It is a fast-setting potting compound which is low in viscosity, therefore flows well and adheres well to many substrates. It has very low odor and does not contain TDE or mercury compounds. Please refer to the TDS for alternate cure schedules.

• Two components - requires mixing

Applications	Encapsulating
Coefficient of Thermal Expansion (CTE), Above Tg	155.0 ppm/°C
Coefficient of Thermal Expansion (CTE), Below Tg	114.0 ppm/°C
Cure Schedule, Alternate @ 60.0 - 85.0 °C	0.5 hr.
Cure Schedule, Recommended @ 23.0 °C	2.0 - 4.0 hr.
Cure Type	Heat Cure
Glass Transition Temperature (Tg)	25.0 °C
Mix Ratio, by Volume	1 : 4.81
Mix Ratio, by Weight	15 : 85
Number of Components	2 Part
Shore Hardness, Shore A	79.0
Technology	Urethane
Tensile Strength	1320.0 psi
Thermal Conductivity	0.355 W/mK
Volume Resistivity	3.6x10¹³ Ohm cm
Mixed
Color, Mixed	White
Density, Mixed @ 23.0 °C	1.4 g/cm³
Viscosity, Mixed @ 23.0 °C	2000.0 mPa·s (cP)
Resin
Color, Resin	Brown
Density, Resin @ 23.0 °C	1.23 g/cm³
Viscosity, Resin @ 23.0 °C	75.0 mPa·s (cP)
Hardener
Color, Hardener	White
Density, Hardener @ 23.0 °C	1.46 g/cm³
Viscosity, Hardener @ 23.0 °C	11000.0 mPa·s (cP)