Lampwork Etc.

LE Live Chat

Enter Live Chat

No users in chat

Jelveh Designs - Glass Beads Torched One-by-One

Beads of Courage


Go Back   Lampwork Etc. > Library > Tips, Techniques, and Questions

Tips, Techniques, and Questions -- Technical questions or tips

Thread Tools
Old 2012-12-02, 1:56pm
Steven Steven is offline
Junior Member
Join Date: Nov 27, 2012
Posts: 6
Default Devardi Glass With Premix Torch?

I am pretty new and have a premix torch with propane and oxygen (I already had this torch and will get a surface mix when I can afford it).

Anyway, all was well with the COE 104 glass I bought off ebay, etc. I used both transparent and some opaque with no problems with color whatsoever.

However, I ordered some white and yellow Devardi glass. My torch discolors it. At best, it makes the white turn to a very off white. At worst, it turns the yellow to a dull, ugly blue and the white to very dark grey.

I have tried adjusting my flame every which way. I've tried very low heat and higher heat. Also, I've tried using the flame near the tip and further out. Some adjustments work better than others. It seems like the adjustments on lower heat and with some orange in the flame (lower oxygen) work best, but none produce unchanged color in the yellow and white beads.

Am I still doing something wrong or is it impossible to make a premix torch work with Devardi glass? Should I just forget using the Devardi glass until I get a surface mix torch?
Reply With Quote
Old 2012-12-02, 2:01pm
dusty dusty is offline
Senior Member
Join Date: Jul 18, 2007
Posts: 568

You're kind of in the minority here for even having tried soft glass with a premix torch, I think. Whites are going to be the worst for this mix, Devardi or not.

I'd try using a very small flame, and working out past the visible flame
Reply With Quote
Old 2012-12-02, 2:26pm
Dragonharper's Avatar
Dragonharper Dragonharper is offline
Now part of the Dark Side
Join Date: Jul 02, 2010
Location: North Central PA
Posts: 966

If your torch uses national style tips you may be able to switch to a surface mix tip.
Hot glass does not crack.
Unless it is glowing and drippy, hot glass looks like cold glass.
Reply With Quote
Old 2012-12-02, 3:01pm
seans seans is offline
Finger Melter
Join Date: Jul 14, 2012
Location: Pacific Northwest
Posts: 4

I have a surface mix torch, but I have never had very good luck with Devardi Glass. Could just be me though.
Reply With Quote

color change, devardi, premix torch

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
Thread Tools

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 -7. The time now is 8:14am.

Powered by vBulletin® Version 3.7.5
Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.
Your IP: