I think things may have come on since then, as the lighting gel used in
theatres and television is acetate - and that withstands the heat from
1kw stage/set lights without problem - if it was anywhere near as
flammable as its predecessor it wouldn't be used!
The usual sheet used in framing is much thicker, and probably a
polycarbonate.
The important thing is to keep a watch on the lace - after all, even
"fresh" air has its bad points! At least the lace will be protected from
dust if it is covered.
In message <1322021607.3957.yahoomail...@web162315.mail.bf1.yahoo.com>,
Nancy Neff <nnef...@yahoo.com> writes
Wikipedia says about cellulose acetate:
"Cellulose acetate film was introduced in 1934 as a replacement for the
cellulose nitrate film stock that had previously been standard. When exposed
to heat, moisture or acids in the film base begin to deteriorate to an
unusable state, releasing acetic acid with a characteristic vinegary smell."
--
Jane Partridge
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