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...

Thick slabs often involve numerous firings of increasingly thick work.   I am using an existing example, with their permission, of the first...

Photo credit: Bullseye Glass Co. It is often advocated that there should be a soak at the strain point to even out the temperature throughou...

  Photo Credit: Rachel Meadows-Ibrahim The main causes of the large thin bubble is most probably  too high a temperature combined with a lon...

"Why does devitrification appear on slumped pieces?" A brief explanation   Scientific research in developing a glass matrix to...

"Every time you fire a previously fired piece you need to slow down." This is not accurate. If you have not changed anything sig...

" I have seen recommendations for slower than ASAP rates from the top temperature, but most schedules say 9999 or ASAP.  Which is right...

I am amazed by the effort put into ramp up rates, bubble squeezes, and top temperatures in comparison to annealing.   The emphasis on social...

A question about re-fusing:   I have just taken a large piece, with uneven layers out of the kiln, it went in … and fired for double thick...

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 ...