This specification covers the requirements for a room-temperature drying silicone rubber sealant primer. The primer may be used to promote adhesion of the
sealant covered by MIL-A-46106, and similar hard-to-bond surfaces. The usage of primer should be substantiated by tests for the surfaces in question. The primer may be applied by dipping, brushing or spraying. The primer and sealant, used as a system, shall be manufactured by the same company.