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Luigi Zanasi
 
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Default Non-toxic materials

On 9 Dec 2005 08:28:36 -0800, scribbled:

http://www.casanz.org.au/Documents/t...20Feb%2003.pdf
http://www.maruhon.com/business/TVOCbasics.htm

Ok, so softwoods outgas terpene and some other volatile oils. I wonder
what kind of lumber would be least toxic for building a frame then?


Maple & birch, I suspect. We make syrup out of their sap, and I have
yet to learn of a maple syrup allergy or sensitivity. But beware of
spalted maple. All softwoods outgas stuff that turpentine is made
from, except for cedar and redwood but their resistance to rot means
there is nasty stuff in them. Forget all plywoods and other
laminated/composite wood products, they almost all outgas
formaldehyde.

Like Andy says, use hide glue (essentially gelatin) & shellac (a food,
used as a pill and candy coating) which uses plain old alcohol as a
solvent.

Do a search on wood toxicity. Also, look for MSDS (Material Safety
Data Sheet) on whatever you think of using, the sheets might have some
info on sensitivity.

Luigi
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