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The Range
Military Surplus
Stock refinishing thread: BLO vs PTO vs Tung Oil Finish
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<blockquote data-quote="coolhandluke" data-source="post: 2912908" data-attributes="member: 13284"><p>According to Terence Lapin, potassium permanganate was used as part of the finishing process as early as the late 1930's. I can't verify if this is actually correct, but he would be referring to the Finnish stocks that are darker in appearance. I might be hesitant to use PP without lots of testing beforehand as I've seen nearly black and even purple colored wood that's treated with the stuff. That being said, it is a popular choice for antique long rifle builders that want to accent burl and figuring in maple stocks. For me, the pine tar is easier as I know the exact results that I am going to get with it. If I remember correctly, the Auson product that I have used is the "genuine" version, but either should work fine. If you happen to be a member on Surplus Rifle Forum, there is an individual that will send you a free sample tube of the Auson pine tar if he currently has any on hand. His tubes will normally finish two stocks.</p><p></p><p>IMO the conundrum with this stock is going to be how to finish it without stripping any of the remaining patina that it currently has. Without stripping it down to bare wood, pine tar and even more certainly Tom's Pine Tar mix (even dilluted) is not going to penetrate the surface like it needs to. It may not be what you want to hear, but I don't advise using the Tom's mix as the small amount of wax is going to give you issues. I am honestly not a fan of wax on surplus stocks. It may provide an appearance that looks fine in photos, but it feels and looks wrong in person.</p><p></p><p>I honestly would hate to see the stock further stripped as well. At this point it at least has a few scars and a small amount of patina that gives it some age. It might be worth trying to experiment with a mix of powdered dyes and linseed oil to see if you can come up with something close to the SA oil. I believe that Kiväärintukkiöljy is basically just oil, a dying / coloring agent, a small amount of varnish, and driers. As for the pine tar debate...I honestly don't think the Finns ever used straight pine tar, or for that matter, beeswax as a stock finish. The only slight possibility is that wood pitch (or tar) was possibly used as one of the ingredients an a mutli-ingredient mixture similar to the SA oil.</p></blockquote><p></p>
[QUOTE="coolhandluke, post: 2912908, member: 13284"] According to Terence Lapin, potassium permanganate was used as part of the finishing process as early as the late 1930's. I can't verify if this is actually correct, but he would be referring to the Finnish stocks that are darker in appearance. I might be hesitant to use PP without lots of testing beforehand as I've seen nearly black and even purple colored wood that's treated with the stuff. That being said, it is a popular choice for antique long rifle builders that want to accent burl and figuring in maple stocks. For me, the pine tar is easier as I know the exact results that I am going to get with it. If I remember correctly, the Auson product that I have used is the "genuine" version, but either should work fine. If you happen to be a member on Surplus Rifle Forum, there is an individual that will send you a free sample tube of the Auson pine tar if he currently has any on hand. His tubes will normally finish two stocks. IMO the conundrum with this stock is going to be how to finish it without stripping any of the remaining patina that it currently has. Without stripping it down to bare wood, pine tar and even more certainly Tom's Pine Tar mix (even dilluted) is not going to penetrate the surface like it needs to. It may not be what you want to hear, but I don't advise using the Tom's mix as the small amount of wax is going to give you issues. I am honestly not a fan of wax on surplus stocks. It may provide an appearance that looks fine in photos, but it feels and looks wrong in person. I honestly would hate to see the stock further stripped as well. At this point it at least has a few scars and a small amount of patina that gives it some age. It might be worth trying to experiment with a mix of powdered dyes and linseed oil to see if you can come up with something close to the SA oil. I believe that Kiväärintukkiöljy is basically just oil, a dying / coloring agent, a small amount of varnish, and driers. As for the pine tar debate...I honestly don't think the Finns ever used straight pine tar, or for that matter, beeswax as a stock finish. The only slight possibility is that wood pitch (or tar) was possibly used as one of the ingredients an a mutli-ingredient mixture similar to the SA oil. [/QUOTE]
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