I too will be working with some walnut in the near future. When you say a
decent tight fitting dust mask, do you mean one of the white 'paper' dust
masks or do you mean a cartridge type respirator?
Impossible to predict/say, since each and every case will be dependent upon
the individual woodworker him/herself.
I do seem to have an allergic reaction to at least one aspect of walnut (the
smoke), but a good "paper filter" type dust mask is all it takes to make the
problem disappear for me.
As always, YMMV ...
The dust carries the irritating chemicals in it. Deflect the dust and you
should be good. Start with the most comfortable option and escalate as
needed. Tight fits aren't usually necessary, as you don't develop much
vacuum on inspiration.
On Wed, 17 Jan 2007 00:07:39 GMT, "Highland Pairos"
I mean a cartridge respirator, but if a paper mask is what you've got,
it's better than nothing.
One or two exposures to walnut dust are unlikely to do much to you
unless you've got a specific allergy to it, but it's more toxic than
some other woods, and avoiding breathing the dust as much as possible
is a good idea. From what I understand, it is one of those that
you'll eventually develop a reaction to with repeated exposure,
similar to cedar.
I have made a number of projects using Walnut and really like the finish it has.
I uses tung oil/linseed oil to really bring out the grains and different colors.
The only problem I had is finding dark walnut that does have allot of sap
wood(white,gray) on the edges, I would take along a some water and a small plane
to see what you have unless it has already been planed.
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