TechNotes 3: Compatibility of Glasses


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Overview

A misunderstanding that the compatibility or “fit” of two glasses is solely a function of the expansion properties of those glasses has led to an overemphasis on “expansion” and the numerical value of the COE (coefficient of expansion) of glass. Studio artists constantly ask for the COE of a glass—hoping to predict whether it will “fit” another glass such as other fusing glasses or their own furnace glass. Matching COE s is simply not an accurate measure of compatibility.

TechNote 3: Compatibility of Glasses PDF
Revised January 22, 2013.

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