I have been using a Hoppe's waxing cloth for a number of years on wood products. It is great for any metal parts too. I would just use it for your Pipe's exterior only. Anyone else try these?
K
https://photos.google.com/photo/AF1QipPYyEBsaZ73onpBkwASulMdWP6EMyJ43mXswjY
K
https://photos.google.com/photo/AF1QipPYyEBsaZ73onpBkwASulMdWP6EMyJ43mXswjY