Erik Buitenhuis on fri 10 may 02
Hi all,
In the archive someone mentioned that her elements got glued to her oven
after she sprayed the oven with ITC100 with the elements in place. I wonder
if that could be prevented by spraying only half of the oven with the
elements in the other half of the oven in place and then baking? In other
words, does ITC100 become liquid only the first time it is baked and stay
hard during subsequent heatings? If yes, how hot does it need to become for
it to harden?
Please CC your reply to erik1967@email.com
Thanks again for your help,
Erik Buitenhuis.
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Fredrick Paget on fri 10 may 02
Eric,
ITC 100 in my experience will air dry pretty hard and sets up hard in a
firing around cone 04. The air dried state is hard enough for you to remove
all the elements and spray the kiln. Then let it air dry and put the
elements back. If they are new why not treat them with ITC213 before
putting them back. That way you protect the elements as well as the bricks.
Mel would then spray the whole thing again with ITC100 but that will glue
down the elements to some degree. Elements coated with ITC213 will shed
black particles for the first few firings so beware - if you attempt a
glaze firing early after coating, the shed particles will wreck it. ( I am
assuming that when you use the word "oven" you really mean kiln.)
ITC is apparently based on zircon and it will never melt in any
temperature you can reach in a ceramic kiln.
Fred
>In the archive someone mentioned that her elements got glued to her oven
>after she sprayed the oven with ITC100 with the elements in place. I
>wonder if that could be prevented by spraying only half of the oven with
>the elements in the other half of the oven in place and then baking? In
>other words, does ITC100 become liquid only the first time it is baked and
>stay hard during subsequent heatings? If yes, how hot does it need to
>become for it to harden?
>Please CC your reply to erik1967@email.com
,
>Erik Buitenhuis.
From Fred Paget, Marin County, California, USA
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