One thing that will quickly ruin well hardened RTV (Room Temperature Vulcanizing) Silicone is gasoline. It causes it to swell and fragment. It doesn't
seem to dissolve, it just turns to a crumbly gel, which doesn't adhere well. I learned this while patching a carburetor gasket on a small engine. It
has been useful in removing RTV silicone from surfaces. I'm not sure which component in the gasoline causes this. Gasoline here in the US is a blend
of many things and often contains 10% ethanol. |