LOCTITE® STYCAST 4640
Features and Benefits
LOCTITE STYCAST 4640, Silicone, Flexible, Potting or Encapsulant
LOCTITE® STYCAST 4640 RTV condensation cure silicone rubber syntactic foam is engineered to yield a flexible, low density material with a low dielectric constant and dissipation factor. It is designed for airborne potting, sealing and caulking applications requiring low weight and excellent dielectric properties. LOCTITE STYCAST 4640 can be used with LOCTITE CAT 50 or LOCTITE CAT 50-2 AMB.
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Technical Information
| Colour | White |
| Cure schedule, @ 25.0 °C | 16.0 - 24.0 hr. |
| Cure schedule, @ 65.0 °C | 2.0 - 4.0 hr. |
| Cure type | Heat cure |
| Density | 0.75 g/cm³ |
| Number of components | 2 part |
| Operating temperature | -65.0 - 260.0 °C |
| Physical form | Liquid |
| Shelf life | 183.0 day |
| Shore hardness, Shore A | 70.0 |
| Storage temperature | 4.0 °C |
| Tensile strength | 1.4 N/mm² (200.0 psi ) |
| Viscosity, Brookfield | 45000.0 mPa·s (cP) |
| Volume resistivity | > 1x10¹⁴ Ohm cm |
LOCTITE® STYCAST 4640
LOCTITE STYCAST 4640, Silicone, Flexible, Potting or Encapsulant