Crappy glass, apparently
The last time I bought some dichroic glass, I bought it from a different source (online). It had really pretty patterns that I hadn’t seen before so I thought I’d try it out. Thankfully I didn’t buy too much of it because there seems to be a problem with the dichroic coating disappearing at a lower temperature than you’d expect. This happened to me twice. I thought the first time was my mistake and maybe I hadn’t been paying enough attention to the kiln (I wasn’t using a digital controller, but usually don’t for fusing small pieces). The second time I watched it carefully, and turned off the kiln at exactly the right point….and here are my results:
You can barely see any dichroic coating…it all burned off.
I didn’t complain to the seller, just decided to stick with my usual sources from now on. Dichroic glass is too expensive to be throwing out….
July 24th, 2008 at 5:56 am
What did the dichroic look like before firing? Can you post a photo?
July 24th, 2008 at 7:23 am
I will post a photo..not sure it is exactly the same, but is from the same batch of glass.