CraftWEB Hot Glass Talk  

Go Back   CraftWEB Hot Glass Talk > Color work from rods and batch glasses

Thread Tools Display Modes
Prev Previous Post   Next Post Next
Old 03-14-2019, 07:57 PM
Josh Bernbaum Josh Bernbaum is offline
Registered User
Join Date: Feb 2009
Location: Brattleboro, VT
Posts: 719
Josh Bernbaum is on a distinguished road
Iron Sulphide glasses?

Haven't posted in a while on this batching and color forum but still glad it's here..
So lately I've been pulling quite a bit of cane with Gaffer's "Durissimo Black", pulling again in murrini and then using that in my pieces. It's a steep learning curve to using the stuff, it's SO stiff, it barely feels like glass. I've got a pretty good handle on it now though. It's taken me a while but with some adaptations in process the pulls are now finally feeling almost (almost) like cane pulls with normal duro color in the core.

I'm going to be asking John a lot of questions at the class at Penland next month, but just curious if anyone here knows some more about the chemistry. I've heard that this stuff is an Iron Sulphide glass (or Iron sulfate?). I'm not sure if that's correct or not, but I do detect a sulphur-ish smell coming off of the chunks of the bar when I'm working with it. More specifically, it's not just that it smells when it's hot, but more so when I quench parts of it after heating. Even the water in which it's quenched smells afterward. Curious about what's happening here..
Reply With Quote

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump

All times are GMT -5. The time now is 10:30 PM.

All published comments within these message boards are the opinions of its contributor and does not represent
the opinion(s) of the owner(s) of this website. Please see the Terms of Use file for more details.

Books to Help Artists Avoid Online Scams: Top 10 Email Scams | Social Media Scams

Powered by vBulletin® Version 3.7.2
Copyright ©2000 - 2020, Jelsoft Enterprises Ltd. Opportunity Network. 2008. All Rights Reserved.