Yellow dust while coring brown wood?

SSDiver2112

SSDiver2112

Escott Cues
I have this old one piece cue I am repairing and while coring the butt end much of the saw dust coming out is bright yellow.
Has anyone seen this and can explain?

The one on the left.
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Ipe does that.

I would not immediately ID that as ipe, but certainly would not rule it out, either on the looks and the wormhole.

Another thing, there are apparently 3 different trees routinely mixed up and sold as ipe.
But all the ipe i've used for millwork has that yellow slightly oily/chalky residue when it is machined.

For edge joining ipe boards for millwork, when you want to bond them with epoxy, it is necessary to keep wiping it down with acetone to get rid of (not easy) and then use the WEST 2 step process. Put on neat mix epoxy and let it alone to soak in and slighly gel for 20 or 30 mins. Then mix a fresh batch with cotton fiber filler, re-coat, and clamp.
 
Ssonerai said:
Ipe does that.

I would not immediately ID that as ipe, but certainly would not rule it out, either on the looks and the wormhole.

Another thing, there are apparently 3 different trees routinely mixed up and sold as ipe.
But all the ipe i've used for millwork has that yellow slightly oily/chalky residue when it is machined.

For edge joining ipe boards for millwork, when you want to bond them with epoxy, it is necessary to keep wiping it down with acetone to get rid of (not easy) and then use the WEST 2 step process. Put on neat mix epoxy and let it alone to soak in and slighly gel for 20 or 30 mins. Then mix a fresh batch with cotton fiber filler, re-coat, and clamp.
Click to expand...
I would like to add that you can also use a bit of coarse sandpaper and work the epoxy into the wood, I received that bit of advice from one of the West Engineers.
 
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