Henkel Loctite STYCAST 4640 Silicone White is is a low density, RTV condensation curing, silicone rubber syntactic foam that is used for sealing, airborne potting, and caulking applications. It offers flexibility, good dielectric properties, and high temperature resistance. 1 lb Can.
| Typical Use: | STYCAST 4640 is designed for airborne potting, sealing or caulking applications which require low weight and excellent dielectric properties. | 
| Brand: | STYCAST | 
| Chemical Composition: | Silicone | 
| Color: | White | 
| Components: | 2 part | 
| Cure System: | Room Temperature/Heat | 
| Cure Time: | 16 to 24h @ 25 °C; 2 to 4h @ 65 °C | 
| Dielectric Strength: | 250 V/mil | 
| Elongation: | 135% | 
| Flash Point: | >93.3 °C | 
| Hardness: | 70 A | 
| Service Temperature: | -65 to 260 °C | 
| Specific Gravity: | 0.75 | 
| Tensile Strength: | 200 psi | 
| Viscosity: | 45,000 | 
| Volume Resistivity: | >1 x 10^14 ohm-cm | 
| Working Time: | 60min |