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Newbie with frustrating devit issue...
Posted: Mon Jan 26, 2004 2:35 pm
by Stella
Have a Paragon Fusion 7. Using BE glass for everything. Used this schedule for a 4.5 inch square, clear base, opaque colors on top....with light colors came out perfectly. Just fused a 6.5 inch square, clear base, opaque colors on top....TONS of devitrification on surface. Only difference is the opaque colors I used on this one are dark. Here is the schedule I used and any suggestions would be greatly appreciated!!!
400/hr - 1100
250/hr - 1500
soak at 1500 for 20 min.
flash 15 min.
800/hr - 1050
soak at 1050 for 15 min.
150/hr - 750
500/hr - 0
Thanks again!!
Re: Newbie with frustrating devit issue...
Posted: Mon Jan 26, 2004 2:49 pm
by Brock
You don't need to go that hot for that long. Try:
500 DPH to 1450
Hold 15 minutes
Drop to 960
Hold 15 minutes
Off.
This is only for small pieces. Brock
Posted: Mon Jan 26, 2004 3:37 pm
by Stella
Thanks for the info Brock. I will certainly give it a try. One question (excuse my ignorance)....what rate do I use to drop to 950? Thanks again!
Posted: Mon Jan 26, 2004 3:40 pm
by Brock
Stella wrote:Thanks for the info Brock. I will certainly give it a try. One question (excuse my ignorance)....what rate do I use to drop to 950? Thanks again!
AFAP. Whatever your kiln will do. Brock
Posted: Mon Jan 26, 2004 3:47 pm
by Stella
OK....thanks again. I'll let you know how it goes. Sure appreciate your help. I'm doing this all trial and error....more error than anything else though
Posted: Mon Jan 26, 2004 3:50 pm
by Brock
Stella wrote:OK....thanks again. I'll let you know how it goes. Sure appreciate your help. I'm doing this all trial and error....more error than anything else though
We've all been there. I've forgotten most of my mistakes, either through selective memory or just the erosion of brain cells, but I made a bunch of them. Brock