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Hi Larry,

You could steam de-wax, I use this all the time. It removes all
the wax before you put the flasks in the kiln and you don.t get
all that smoke & smell of burning wax.
I using an old blue canning kettle, the enamel ones, you can
pick them up pretty cheap at garage sales or flea markets. Do
not use a good saucepan, some waxes have plastic in them and it
is almost impossible to get the wax off the pan after. Put a rack
in the bottom of the pot to keep the flasks up out of the water,
put in water to below the rack & place your flasks on the rack,
sprue side down, put the lid on & put the thing on to high heat.
The steam will remove the wax, takes about an hour, however
check them once in a while you can see when all the wax is out.
When your flasks look nice & clean & free of wax place them in
the kiln at 500%F & carry on from there on the standard timing
for the size of your flasks. Ireally like this method, it gives
you a nice clean burnout & cuts the kiln time down, also keeps
your kiln clean. I do the dewaxing on the gas burner of my
barbeque, saves the kitchen all steamed up.


Steam dewaxers only work with waxes with melting temperatures
below about 190F. All carving waxes melt at over 200F and will
not steam dewax. A combination of the hotplate to melt out a
majority of the wax should keep the smoke down to a minimum when
you use a furnace. Waxes burn very completely at 1350F at which
temperature carbon combines with oxygen to form carbon dioxide
which goes off into the atmosphere. Generally very clean when
using some sort of dewaxing.

Hope this helps

Chris Maugham
Harrisburg, PA