I've seen the warnings about not leaving it in more than 15 minutes or whatever, but it just doesn't make sense to me. Suppose I leave it in for 15, swab it out, apply it again for 15, and repeat a third time. That's 45 minutes of cumulative exposure. How is that any better than leaving the first application in for 45 minutes?
If you use Sweets every time you clean your rifle, you will eventually have many hours of cumulative exposure. If one application is going to corrode your bore in, say, one hour, why doesn't multiple applications have the same effect?
Does Sweet's undergo some kind of change after it has been applied that causes it to beome corrosive? Maybe it absorbs moisture from the air and turns to acid? I should would like a chemist to explain what is supposed to be happening.
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