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s- cracks in tiles

updated thu 20 dec 01

 

Patrick Logue on wed 19 dec 01


Hi Wanda
This is something i just worked out on my process.
I guess it depends on how you are forming them.
My cracks were coming from pressing tiles. I got an s
crack roughly in the middle of the tile(on multiples
always in the same spot).
For me it was all about pressure. I went from
Giorgini's hand press to a 12 ton hydraulic. My loss
went from between 20 and 50%, to zero in the switch.
Are you using a heavily grogged body? If not that
could contribute also.
hope this helps
Pat

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