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<p>[QUOTE="James Conrad, post: 398171, member: 5066"]So i have been researching this finish question the past several days as i find it interesting plus, it's the dog days of summer here in the carolinas & i am hiding from the heat/humidity & waiting on fall!</p><p>First thing i notice is, one needs a degree in chemical engineering when reading about this as the language is confusing & finishing wood gets very complicated in a hurry. I even got out Bob Flexner's book (finishing guru who forced antique roadshow to retract their "experts" propaganda on the grunge movement), it didn't help much either.</p><p>In any event, no definitive info yet but a couple general points so far</p><p>1. Varnish in it's natural state is clear, oil varnish will yellow over time, water varnish (poly) will not yellow but isn't applicable because not around in 1890.</p><p>2. It can be tinted or colored, oil stain can be added in any color to tint/color the oil based varnish.</p><p>3. I do not think it possible for [USER=85]@clutteredcloset49[/USER] (as an example) chair to have a clear varnish finish and "gone off" to that dark a state all by itself unless something really weird happened. (like in a fire)</p><p>4. If you look at OP pics 3 & 4 in first post (restoration pics) you can clearly see color in the less dense "earlywood" and virtually no color on the much more dense "latewood". This is a common problem when staining oak, especially plain sawn oak, where open pores of earlywood soak up stain and the latewood takes almost none.[/QUOTE]</p><p><br /></p>
[QUOTE="James Conrad, post: 398171, member: 5066"]So i have been researching this finish question the past several days as i find it interesting plus, it's the dog days of summer here in the carolinas & i am hiding from the heat/humidity & waiting on fall! First thing i notice is, one needs a degree in chemical engineering when reading about this as the language is confusing & finishing wood gets very complicated in a hurry. I even got out Bob Flexner's book (finishing guru who forced antique roadshow to retract their "experts" propaganda on the grunge movement), it didn't help much either. In any event, no definitive info yet but a couple general points so far 1. Varnish in it's natural state is clear, oil varnish will yellow over time, water varnish (poly) will not yellow but isn't applicable because not around in 1890. 2. It can be tinted or colored, oil stain can be added in any color to tint/color the oil based varnish. 3. I do not think it possible for [USER=85]@clutteredcloset49[/USER] (as an example) chair to have a clear varnish finish and "gone off" to that dark a state all by itself unless something really weird happened. (like in a fire) 4. If you look at OP pics 3 & 4 in first post (restoration pics) you can clearly see color in the less dense "earlywood" and virtually no color on the much more dense "latewood". This is a common problem when staining oak, especially plain sawn oak, where open pores of earlywood soak up stain and the latewood takes almost none.[/QUOTE]
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