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Old January 9, 2013, 11:03 AM   #17
mapsjanhere
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Join Date: August 6, 2009
Location: Albuquerque
Posts: 2,352
Don has it right, the salt deposited by "corrosive" ammo is simple (neutral) potassium chloride, produced from the potassium chlorate used in the primer. The reason people started using windex is that the ammonia was supposed to help with copper residues at the same time, and it dries fast. BUT, if you use windex you still have to make sure you get the liquid to flow out (or use a really wet patch). Otherwise the salt doesn't get removed, and, as there is no neutralization happening, you actually accelerate the corrosion by providing moisture.
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