>=20
> Toluene is also not all that nasty. It is methylbenzene but the methyl gr=
oup
> seems to prevent most of the carcinogenic action. Maximum safe short-term
> dose is less than acetone/isopropanol.
>=20

Well, that doesn't equate to the hoops we had to jump through to use a tolu=
ene based conformal coat on our PCBs. A suitable booth with high volume air=
 extraction and use of full bunny suits while handling it.



--=20
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