Glass Tips from Verrier

The statement that a sheet of glass can be fused to itself is true in certain circumstances.   It applies to transparent and some streaky ...

From time to time you will see the statement: “CoE is the determinant of compatibility” This is Not True!    I wish I could ...

Questions such as “ How compatible are Wissmach W90 and Bullseye?” are asked from time to time.   This does show some awareness that Bul...

Does anyone know what CoE means? ·          First the proper abbreviation is CoLE. ·          This means Coefficient of Linear Expans...

CoE equals compatibility. This is as persistent myth.  CoE is an abbreviation for Coefficient of Linear Expansion.  It is not an abbr...

CoE as a Determinant of Temperature Characteristics What CoE Really Tells Us The wide spread and erroneous use of CoE to indicate c...

Our use of Coe as an equivalent for compatibility can lead to difficulties. The only compatibility that can be relied on is that given by t...

CoE is more important to the manufacturer (in combination with viscosity) than to the kiln worker. It has gained a heightened profile, as...

If you have changed CoE (i.e., the manufacturer), then the annealing temperature is different. If you don't correct that, it's never...

Polarised light filters are used to detect stress in a non-destructive testing method in kilnforming.   The use of the filters is described ...