LOCTITE® STYCAST US 5544
Features and Benefits
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.
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Technical Information
| 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 |
| 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) |
LOCTITE® STYCAST US 5544
LOCTITE STYCAST US 5544, Potting and Encapsulating