Heat Sensitive Glass

[Dierwolf2000]

there are also borosilicate glass rods that strike while in the kiln. never seen an equivalent in soft glass.

[DylanBrams]

Thank you for posting this. Can anyone point me to commercially available color that does that attractive ruby red / white strike?

[metal0artist0kyle]

Great video. Very thorough and interesting! I've used this stuff before, but have never know so much about it!