Title: Nice flat black finish, but fragile
Product review: I needed to put a flat black finish on the inside of a brass tube. This product gave me just the finish I needed, and I don't have to worry about it flaking or cracking. It it very thin, like water, so it flows into crevices well. Some of the surface I coated was a very fine thread, and the coating was so thin, that it did not cause any binding of the threads. It is very important to have a clean metal surface. Any oil, grease or laquer will protect the metal from taking up the color. I only wish it was a little more permanent. Most of the color can be rubbed away when handled. For my purpose it worked great.
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