Loctite 1188177 - Silicone Potting, Compound, White, Gallon, 4640 Series
The 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. It can be used with Loctite CAT-50 or Loctite CAT-50-2 AMB.