joe & lisa cecere on wed 20 jan 99
-----Original Message-----
From: cecere
To: Ceramic Arts Discussion List
Date: Sunday, January 17, 1999 10:49 AM
Subject: Re: Cadmium red
>Just to be sure of getting a good Duncan Red I usually fire to cone
>07.Over firing the sensitive reds, even a 1/2 a cone and you can lose it to
>a smokey black or clear. Also, make sure that you don't have alot of
>"copper glazes" along side or near what you want red. It fumes the red to
>black or clear.
>-----Original Message-----
>From: Jim Horvitz
>To: CLAYART@LSV.UKY.EDU
>Date: Saturday, January 16, 1999 6:34 PM
>Subject: Cadmium red
>
>
>>----------------------------Original message----------------------------
>>In glazing some tiles I needed a small amount of bright red and purchased
a
>>small amount of Duncan GL 614 Matadore Red. I fired to cone 06 and the
"red
>>areas" ended clear . Several other 06 glazes fired at the same time were
>>perfect. The Duncan people were of no use as "all there glazes work every
>>time" the fault must be mine. Can anyone comment on problems or tricks in
>>using the Cadmium glazes. My reading leads me to believe that a lower fire
>>temperature and Oxygen may be the solution. Thanks Jim Horvitz Rancho
>Mirage
>>Ca.
>>
>
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