Search found 2 matches

by kmoorehead
Sat Oct 18, 2003 5:51 am
Forum: Techniques and Tools
Topic: Greenware mold
Replies: 2
Views: 3659

Greenware mold

Help
I have slumped soda glass with success twice in 2 greenware molds that I recently purchased. On the 2nd firing one deveoped a hairline crack and on the 3rd firing the other developed a crack. The molds are not the same size and both were bisque fired to 1100C at 100C per hour.

thanks

Kerin
by kmoorehead
Sun Sep 28, 2003 2:47 am
Forum: Techniques and Tools
Topic: Cracked/broken glass during Firing
Replies: 3
Views: 4788

Cracked/broken glass during Firing

I am fairly new to glass fusing/slumping. I have had a few successful firnings until today. The pieces on the lower shelf were found to be broken when I opened the kiln. Both were Bullseye on fibre board and beween 2/3 layere thick. One piece had been tack fused previously and the other had been fus...