Fusing problem

This is the main board for discussing general techniques, tools, and processes for fusing, slumping, and related kiln-forming activities.

Moderators: Brad Walker, Tony Smith

Post Reply
Janet Ostinelli
Posts: 2
Joined: Thu Nov 11, 2021 10:46 am

Fusing problem

Post by Janet Ostinelli »

Tried tack fusing with Olympic kiln. Did not contour much. Is that a temp problem or hold problem. Did 1000 to 1340 and then full. Am just getting back into fusing.
Brad Walker
Site Admin
Posts: 1489
Joined: Fri Mar 07, 2003 9:33 pm
Location: North Carolina, USA
Contact:

Re: Fusing problem

Post by Brad Walker »

Three options.

1. Go slower from 1100 to your top temperature.
2. Hold longer at the top temperature.
3. Increase the top temperature.

Any of the three will work. Just keep notes on what you try.

Tack fuse temperature usually anywhere from 1350 to 1450, with a five to ten minute hold, depending on the look you want.
DonMcClennen
Posts: 381
Joined: Sun Mar 09, 2003 9:09 pm
Location: Ontario

Re: Fusing problem

Post by DonMcClennen »

1000 to 1340??? very aggressive ramp up is asking trouble (thermal shock) your going to get a lot of breakage at that rate.. I suggest a much more relaxed ramp up(250 or 300).. "Speed Kills"
"The Glassman"
Post Reply