Glass Tips from Verrier

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

"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...

"Can a tack fuse schedule for fusing glass can be used to slump bottles?" It may be that this person does not have the confidenc...

  A question about why a tack fused 6mm/0.25” piece of combined dense white and black in a slump firing broke has been raised.  Other pieces...

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 schedule was presented for a slumping problem of a 6mm/0.25” blank.   It consisted of three segments each of a rate of 277C/500F with shor...

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 ...