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What Is Black Vitrified Ceramic?

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Posted by steve c/">steve c on February 4, 2000 19:55:26 UTC

What is black vitrified ceramic?, I know that vitrified means "fused",so im guessing that a blank of vitrified ceramic is cast like a pyrex mirror is ,or is it poured into a mold,allowed to harden and then fired in a kiln? i have heard that the surface roughness of these mirrors is a problem, do to the stone-like nature of this material. any ideas?........stevec

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