Reactions

Amy Schleif-Mohr · Post by **Amy Schleif-Mohr** » Wed Mar 10, 2004 8:56 am

I was reading "the thin white line" thread and thought I would pass a bit of information on. I'm not quite sure yet but it appears that there is a color reaction between BE Light Peach Cream and BE Spring green. The reaction color is a nice yellow which I found interesting because most of the reaction colors are a shade of warm brown. I haven't tested it yet in a regular fuse firing just in castings.

Amy

Cynthia · Post by **Cynthia** » Wed Mar 10, 2004 1:09 pm

I've seen that reaction as well, but it was closer to an old penny copper in my case. Could it be that the reactive color just looks a particular way because of the two colors on either side??? Like pointilism? Or different degree of reaction dependent upon your process or process temps???

I'd love to see this yellow you got. I like the added line of color you get where the glasses meet and yellow could be a good one to add to the mix.

Carla Fox · Post by **Carla Fox** » Wed Mar 10, 2004 1:37 pm

After taking a class at Bullseye (I highly recommend everyone doing this if you can) they told us some of the BE colors will react with others.

Can I remember which are the reactive colors. Nope. Just that some will do this. It's happening on the chemical level not on the color level. Does that make sense?

Carla

Cynthia · Post by **Cynthia** » Wed Mar 10, 2004 1:57 pm

CM Fox wrote:After taking a class at Bullseye (I highly recommend everyone doing this if you can) they told us some of the BE colors will react with others.

Can I remember which are the reactive colors. Nope. Just that some will do this. It's happening on the chemical level not on the color level. Does that make sense?

Carla

Yup. It's copper with cadmium/selinium , or carbon with lead, or ...

There is a chart that BE put out years ago with images showing their glasses as combined and fired (two colors over lapping, buffered with clear and not). The layering in the transparents over transparents and transparents over opals showed wonderful third color potential, but also which glasses were reactive with which.

For the most part, you start to get suspicious of glasses by their colors and their colors are created with salts such as copper and neodimium (sp?). Peach is similar in tone to a French Vanilla, so I would be suspicious that it might be a reactive glass and show a reaction with a turquoise toned glass and test going with my hunch. I've often gotten reactions that I expected, or like the combo Amy is talking about, reactions I didn't.

Tim Swann · Post by **Tim Swann** » Wed Mar 10, 2004 10:43 pm

Amy,

There are some good books out there that discuss the reaction that takes place between the different compounds used to color glass. To truly know what reaction to expect you will need to know the formulation of the glass. This is not always easy to get and maybe much more detailed than you want to get with the glass. Try asking BE directly. I have found them to be very helpful in the past.

Tim

Amy Schleif-Mohr · Post by **Amy Schleif-Mohr** » Wed Mar 10, 2004 11:24 pm

Thanks everyone for posting.

I am not troubled with the reaction, or surprised really. I personally abuse the glass so much with my process that not much surprises (sp?) me.

I just wanted to send the word out because I haven't ever seen anyone talk about this particular color combination on the board before in relation to reactions.

Amy