Glass Tips from Verrier

credit: Tia Murphy There are advocates for making tiles as references for future work.    They show the profiles achieved at different tempe...

  ‘Is it better to extend the soak or add more firing time when the firing program isn’t quite enough? What are the meanings of “soak,” “hol...

  Distance from Sides of Kiln   "Is there a rule of thumb for interior size of kilns and piece size? (i.e., “allow for X inches bet...

This post is about adapting the Bullseye chart Annealing  Thick Slabs to write a schedule for any soda lime glass as used in kilnforming. I ...

Many people are under the impression that CoE can tell you a wide number of things about fusing glass.  What does CoE really mean? ...

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

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

Clear frit sintered at 690C, 670C, and 650C (left to right) "T his is fascinating. I had no idea about the water leaving the glass at d...

The Bullseye research on annealing thick slabs indicates that it is important to have a 50mm space between the shelf and the kiln walls. Thi...

  I once made a statement about the effects of various dam materials on scheduling. This was based on my understanding of the density of thr...