- Product Type:2K (2 component) Sealant
- Application Area:Satellite, Solar Cell, Spacecraft
- Cure Method:Chemical Cure
- Chemical Family:Silicones
WACKER® RTV-S 691 A/B is a self-leveling, two-part addition-curing silicone rubber that can be vulcanized at room temperature. It is particularly recommended for space applications due to its low outgassing rate and low temperature flexibility. This product has been specifically designed and used as an adhesive for solar cells on solar generators in space applications, including satellites.