Quote:
Originally Posted by kansassky
Um, some advice…don’t wave your glass rod in and out of the flame to warm it.
What you are doing is actually shocking it by doing that.
Waving causes hot, cold, hot, cold, hot, cold.
It’s far better to hold the rod tip far out in the flame, where you can hardly see color.
Rotate it while slowly sliding it closer to the warmer part of the flame.
This way, you are gradually heating the rod slowly.
I recommend gradually preheating Devardi rods in a kiln.
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I have tried that too
I held it still and let the tip into flame, if the tip broke, the piece would fall onto the table because of gravity
However, it broke suddenly into many pieces from the middle of the rod at that time, and one of them spread onto my right leg
I dont want to waste Devardi rod although it is extremely shocky but I dont have a kiln
