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avoiding "color bleed" in segmented projects

Joined
Jul 25, 2004
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Location
McKinney, TX
I am working on a segmented project that has bloodwood and hard maple in the feature ring. I am almost to the sanding stage and am concerned about dust from the bloodwood contaminating the maple. After all this work I don't want to end up with pink maple. Any and all suggestions would be appreciated.
 
Lots of sanding sealer or shellac as a sealer. Put some on before you ever start to sand. This helps fill in the pores so that the dust that is carried over is easy to blow or brush off. I was doing Padauk with a light porous wood. I can't remember what it was right now but I would put more sealer on everytime I stopped to look at how the sanding was coming along. It does clog up the sandpaper so use a stearated paper of even some of the sanding screen sold by Mirka abrasives.
I sealed the project after every grit. You can get buy with one or two sealings if the wood doesn't bleed as much but Padauk is one of the worst I know of.
I tried masking off area with tape and spot sealing some woods with a brush and sealer but all of that was difficult at best and useless at worst.
 
Hi Hollis,
I've had very good luck by using an air nozzle hooked up to the air compressor and blowing the dust off in between grit changes. It also allows me to get a good visual as to how I'm progressing with the sanding. I use a moderate amount of pressure at the nozzle so as not to create a major dust storm around the lathe.

Bob W.
 
Where is my Padauk ?

Probably sitting in the shop bleeding to death ! It loves alcohol. I have extracted the color from Padauk shavings in a jar with some DNA. The alcohol in shellac can run the color rather easily. If the other wood is not porous, compressed air and a tack cloth can help.
 
Bloodwood and Maple?(

Had the same problem with bloodwood and maple. The maple wound up pinkish. Tried compressed air and tack cloths and that helped, but didn't solve the problem. Also used redheart and maple with better results. How do these guys use ebony and maple (or holly) together? 😕
 
Holly and ebony isn't much of a problem with the sealer but try ebony and ash, or paduak and mahogony. It's really hard to keep the dust out of the pores.
 
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