Thread: Batch Anealing
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Old 2014-06-20, 12:41am
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fionah fionah is offline
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Join Date: Aug 15, 2011
Location: Victoria, Australia
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This is how I batch anneal. I have my kiln set up like in the picture with beads cooled in vermiculite and then "strung" on old thin mandrels that I have cut down to fit into my kiln. I leave the bead release in the beads and clean after I've annealed. I bought some holey sheets of metal from the hardware and bent them into a fat U shape which sits up off the kiln floor (Not sure that this is necessary). My batch annealing schedule is usually as follows:

500degC/hr, to 475degC, hold 0
100degC/hr, to 505degC, hold 1hr **
40degC/hr, to 400degC, hold 0
500deg/hr to 250degC, hold 0
0000

The kiln is a Paragon SC2. **I vary the temp and time at the annealing step depending on the glass. For example I will hold at a lower temp for longer for a silver striking glass so I don't kiln strike it and change the final outcome from what I put into the kiln.

This schedule works well for me, but remember that kilns vary and the temp that your kiln displays may not be the real temp.
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