TechNotes 4: Heat & Glass



Because of its amorphous molecular configuration, glass reacts to heat differently than do other materials. Whereas metals heated to a specific temperature (a melting point) change from solid to liquid instantaneously, glass goes through a very gradual transformation—from a material that behaves like a solid to a material that behaves like a liquid. It is this unique characteristic of glass that allows it to be blown or to be worked in the myriad ways we call kilnforming.

TechNote 4: Heat & Glass PDF
Revised June 07, 2012.

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