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STEP 3: Firing
In order for ceramic to be hard and dense,
they must be "sintered", or fired to high temperatures for
prolonged periods of time in gas or electric kilns. Typical firing
temperatures for alumina, mullite, and zirconia reach 2850 °F -
3100 °F. Typical firing cycles can range from 12 - 120 hours
depending upon the kiln type and product. Ceramics shrink
approximately 20% during the sintering process. Non-uniform
shrinkage as a result of standard forming and machining processes
can cause deformation of the ceramic. Our experience and knowledge
of ceramic processing allows us to utilize specific machining and
firing methods to help limit these effects.
Next is step
#4 After firing processing... <click here>
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Step1:
Step3: