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| Pre-finishing - grain raising? http://www.luthiersforum.com/forum/viewtopic.php?f=10101&t=35744 |
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| Author: | Colin North [ Mon Mar 12, 2012 11:31 am ] |
| Post subject: | Pre-finishing - grain raising? |
I'm curious after removing blood stains fairly successfully from a guitar with hydrogen peroxide. Anyone here raise the grain on their tops or guitars generally, i.e. wipe or two with a damp cloth then sand back after drying? Any finer points to it? Anyone with specific objections to the process? |
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| Author: | jfmckenna [ Mon Mar 12, 2012 12:01 pm ] |
| Post subject: | Re: Pre-finishing - grain raising? |
FWIW I always do it. I never heard it was bad to do otherwise. |
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| Author: | Mark Tripp [ Mon Mar 12, 2012 2:42 pm ] |
| Post subject: | Re: Pre-finishing - grain raising? |
Yep. Damp cloth, let dry, final sand. -Mark |
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| Author: | Joe Sallis [ Mon Mar 12, 2012 2:48 pm ] |
| Post subject: | Re: Pre-finishing - grain raising? |
i rub it down with pure alcohol. Don't think it's better than water except it evaporates in seconds and still raises the grain. |
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| Author: | John Arnold [ Mon Mar 12, 2012 3:02 pm ] |
| Post subject: | Re: Pre-finishing - grain raising? |
I wet with water, then dry it with a hair dryer. I learned the hard way that soft woods like spruce can end up with compressed fibers from power thickness sanding. That means that the scratches can still show under finish, even after being sanded smooth with finer sandpaper. Raising the grain and sanding lightly with 220 will eliminate them. I also do the procedure before staining, since I use water soluble aniline most of the time. |
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| Author: | oval soundhole [ Mon Mar 12, 2012 5:31 pm ] |
| Post subject: | Re: Pre-finishing - grain raising? |
I've been doing it by brushing on egg whites and then sanding. |
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| Author: | MikeH [ Mon Mar 12, 2012 11:20 pm ] |
| Post subject: | Re: Pre-finishing - grain raising? |
oval soundhole wrote: I've been doing it by brushing on egg whites and then sanding. Wait- seriously? |
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| Author: | oval soundhole [ Tue Mar 13, 2012 8:24 am ] |
| Post subject: | Re: Pre-finishing - grain raising? |
Yes seriously. I also use egg whites to pore fill. It isn't that uncommon... |
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