Dow DOWSIL™ 93-500 Space Grade Encapsulant and 93-500 Thixotropic Space Grade Encapsulant Clear are two component, silicone elastomers that are used for aerospace applications such as sealing optical sensors, encapsulating/potting electronic components, and bonding solar cells to substrates, OSR mirrors to substrates, or cover glasses to solar cells. It offers a wide service temperature range, electrical stability, and meets NASA requirements for low thermal vacuum outgassing. 110 g Kit.
| Typical Use: | Adhering/bonding applications such as solar cells to substrates, cover glasses to solar cells, OSR mirrors to substrates, electronic subcomponents and sub-assemblies, optical and other sensors. |
| Brand: | DOWSIL |
| Color: | Clear |
| Components: | 2 part |
| Cure System: | Heat |
| Cure Time: | 2h @ 65 °C; 30min @ 100 °C; 10min @ 150 °C |
| Dielectric Strength: | 480 V/mil |
| Elongation: | 170% |
| Hardness: | 40 A |
| Mix Ratio: | 10:1 by weight |
| Service Temperature: | -115 to 200 °C |
| Shear Strength: | 475 |
| Specific Gravity: | 1.03 |
| Tack Free Time: | <16h |
| Tensile Strength: | 975 psi |
| Thermal Conductivity: | 0.2 W/mC |
| Viscosity: | 8,000 |
| Volume Resistivity: | 1 x 10^15 ohm-cm |
| Working Time: | 2.5h |