Galvanised Steel

Vicki M · Post by **Vicki M** » Mon Sep 24, 2012 12:18 pm

Is it safe to use a piece of Galvanised steel as a slumping mold in the kiln?

Keoni · Post by **Keoni** » Mon Sep 24, 2012 12:45 pm

No. Search galvanized steel on the forum and you will get more than enough information on this topic.

Brock · Post by **Brock** » Mon Sep 24, 2012 12:55 pm

All the references to galvanized steel are gone . . .

Michele gh · Post by **Michele gh** » Mon Sep 24, 2012 1:53 pm

Galvanized steel is coated with zinc, which will vaporize below 800°F (about 425°C). Zinc oxide fumes are dangerous. Google, "metal fume fever."

Rick Wilton · Post by **Rick Wilton** » Mon Sep 24, 2012 4:09 pm

my question to that is, is it a one time thing though?

If I fire it once well ventilated are all the toxins released?

rosanna gusler · Post by **rosanna gusler** » Mon Sep 24, 2012 4:22 pm

maybe. make a small bonfire and toast it there. or torch it outdoors. rosanna

Dairy Queen · Post by **Dairy Queen** » Tue Sep 25, 2012 9:20 am

Construction fabric is galvanized, and usually, it all burns off in one firing. Then it can be encased in Bullseye Glass. I have switched to sandblasting the coating off, or soaking it in vinegar/alcohol solution. Less dangerous to ozone.

Morganica · Post by **Morganica** » Tue Sep 25, 2012 11:57 am

For those who don't want to google:
http://www.aws.org/technical/facts/FACT-25.pdf
http://www.anvilfire.com/iForge/tutor.p ... fety3/demo

WarmGlass.com

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