Flamemaster CS-143 B1-2 Non-Chromate Corrosion Inhibitive Sealant - AMS-3265 - Pint ASTM D5363 which then evaporate to leave

which then evaporate to leave the protective film

Advanced Substrate Safety: Rigorously tested via Boeing D6-17487 parameters to ensure zero hydrogen embrittlement or structural corrosion on high-strength aircraft alloys

6800088-16 - COVER: PL

M250-10299 - HOUSING: GEARBOX

Flamemaster CS-143 B1-2 Non-Chromate Corrosion Inhibitive Sealant - AMS-3265 - Pint ASTM D5363 which then evaporate to leaveFlamemaster CS 143 Class B Non Chromate Corrosion Inhibitive Sealant (AMS 3265) CS 143 Class B is a two part, manganese dioxide cured polysulfide sealant specifically designed as a non chromate corrosion inhibitive sealant for aerospace applications. It offers the traditional excellent fuel and fluid resistance of polysulfide sealants but incorporates environmentally friendly corrosion inhibitors that do not contain hexavalent chromium. The "Class B"