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by Bert Weiss
Thu Jan 21, 2016 5:01 pm
Forum: Techniques and Tools
Topic: WORKING WITH LIQUID ENAMELS OR GLASS PAINTS
Replies: 33
Views: 21178

Re: WORKING WITH LIQUID ENAMELS OR GLASS PAINTS

Bert, I think I have some Samba powders, which I also bought there. I was told that I could mix it with BE powders, in order to enhance the BE colors, Do you know anything about it??? Thanks Havi Havi, my information might not be correct. I don't really know. Ferro does manufacture in Europe. Beats...
by Bert Weiss
Thu Jan 21, 2016 11:03 am
Forum: Techniques and Tools
Topic: WORKING WITH LIQUID ENAMELS OR GLASS PAINTS
Replies: 33
Views: 21178

Re: WORKING WITH LIQUID ENAMELS OR GLASS PAINTS

Thank you Bert, I bought Colorline paints from their manufacturer, who is CREATIVE GLASS in Volketswil Switzerland, near Zurich. Perhaps they have some agreement with BE -behind the curtains. I bought the paints directly form them, as I took several classes there. I know them, and they know me, the...
by Bert Weiss
Thu Jan 21, 2016 10:46 am
Forum: Techniques and Tools
Topic: WORKING WITH LIQUID ENAMELS OR GLASS PAINTS
Replies: 33
Views: 21178

Re: WORKING WITH LIQUID ENAMELS OR GLASS PAINTS

Thank you Bert, I bought Colorline paints from their manufacturer, who is CREATIVE GLASS in Volketswil Switzerland, near Zurich. Perhaps they have some agreement with BE -behind the curtains. I bought the paints directly form them, as I took several classes there. I know them, and they know me, the...
by Bert Weiss
Wed Jan 20, 2016 8:12 pm
Forum: Techniques and Tools
Topic: firing schedules for powder enamels on large pieces
Replies: 11
Views: 8197

Re: firing schedules for powder enamels on large pieces

I am probably driving you crazy, I think the paints I used were fuse master, not Thompson. would the above work with them too. Sorry :( Fusemaster is entirely different. Their colors are a clear glass frit mixed with metallic oxides. They do not generally do well when applied as powder. They are de...
by Bert Weiss
Wed Jan 20, 2016 8:08 pm
Forum: Techniques and Tools
Topic: WORKING WITH LIQUID ENAMELS OR GLASS PAINTS
Replies: 33
Views: 21178

Re: WORKING WITH LIQUID ENAMELS OR GLASS PAINTS

Bert, Thanks for your response. However, I can not understand how do know that I am applying a too thick layer of ink????????????????? I wonder. On the contrary, being a printmaker, and my experience as such - I have the feel of how much ink should be applied. I do not know anything about Ferro col...
by Bert Weiss
Wed Jan 20, 2016 11:16 am
Forum: Techniques and Tools
Topic: not fusing flat
Replies: 9
Views: 6718

Re: not fusing flat

i'm fusing sheets of the same glass and same COE, so there shouldnt be any issues there (if I understand correctly). The one time I had a warp, it was with a single sheet of 10mm thick float glass. The problem was caused by too big a gap between bricks that surround my kiln. I refired it with the b...
by Bert Weiss
Wed Jan 20, 2016 10:54 am
Forum: Techniques and Tools
Topic: firing schedules for powder enamels on large pieces
Replies: 11
Views: 8197

Re: firing schedules for powder enamels on large pieces

Thompson makes many different lines of enamels, all of which are ground colored glass frits, compatible with different substrates including different glasses. Once the layer of enamel is thick enough, incompatibility will cause cracking. On every single glass fusion project, you can fire as fast as ...
by Bert Weiss
Wed Jan 20, 2016 10:45 am
Forum: Techniques and Tools
Topic: WORKING WITH LIQUID ENAMELS OR GLASS PAINTS
Replies: 33
Views: 21178

Re: WORKING WITH LIQUID ENAMELS OR GLASS PAINTS

Havi, you are applying too thick a coating. This causes the orange peel effect or cracking and volcano effect. (thinking about it I think orange peel is caused by under firing) These colors are really strong. Color line are really Ferro Samba series. These are similar to the Ferro Sunshine series bu...
by Bert Weiss
Fri Jan 15, 2016 1:18 pm
Forum: Techniques and Tools
Topic: not fusing flat
Replies: 9
Views: 6718

Re: not fusing flat

thank you all for your comments. All great ideas, which I will try. I can't fuse it to too high of a temp because I can't have the pieces round out too much. But perhaps a little higher temp will work. And I will check to make sure my kiln shelfs are flat. And try to hold at 1100 on the way down. B...
by Bert Weiss
Thu Jan 14, 2016 4:20 pm
Forum: Techniques and Tools
Topic: not fusing flat
Replies: 9
Views: 6718

Re: not fusing flat

There are various reasons why glass might warp. A simple one that can't be fixed is a compatibility issue where the top and bottom layers are contracting at different rates. The only thing you can do there is configure it differently. I have seen glass warp when there was a gap between bricks in my ...
by Bert Weiss
Thu Jan 14, 2016 4:15 pm
Forum: Techniques and Tools
Topic: Stainless Steel for molds?
Replies: 15
Views: 15971

Re: Stainless Steel for molds?

Bert, don't you mean that ss shrinks more than glass, thus the potential of a ss mold trapping the glass? I've not has a problem unless the ss mold is a full hemisphere. Yes Nikki. I have many drafted ss molds that work fine. The glass is able to ride up, and does;t get stuck. I also have hemispher...
by Bert Weiss
Mon Jan 11, 2016 12:38 pm
Forum: Newcomer Forum
Topic: CONCAVITY in a VERMICULITE board
Replies: 5
Views: 4993

Re: CONCAVITY in a VERMICULITE board

I once repaired a refractory cement bowl mold using putty I made with vermiculite board dust. The first attempt at fixing the mold was with kiln wash. That didn't work. The putty worked real slick. So, whatever works...
by Bert Weiss
Sun Jan 10, 2016 2:19 pm
Forum: Techniques and Tools
Topic: Vermiculite shelves source
Replies: 2
Views: 2443

Re: Vermiculite shelves source

A great source for vermiculite boards is Jim Wiles in Charlotte NC
http://www.southernserviceco.com
by Bert Weiss
Sun Jan 10, 2016 2:10 pm
Forum: Newcomer Forum
Topic: CONCAVITY in a VERMICULITE board
Replies: 5
Views: 4993

Re: CONCAVITY in a VERMICULITE board

You can use some coarse sandpaper and make v-board dust. Mix it with rigidizer to make a putty and fill in any holes.
by Bert Weiss
Mon Jan 04, 2016 10:03 pm
Forum: Techniques and Tools
Topic: Clouding on float and plate glass
Replies: 8
Views: 7003

Re: Clouding on float and plate glass

There is a good possibility some glass is shitty, others not so much...
by Bert Weiss
Mon Jan 04, 2016 11:23 am
Forum: Techniques and Tools
Topic: Clouding on float and plate glass
Replies: 8
Views: 7003

Re: Clouding on float and plate glass

The painted pieces didn't fog. They should have fogged. Maybe I cleaned them too well. No conclusions yet. Guess I'll try a piece that has only been cleaned with dish soap. If it doesn't fog, I'll find something more productive to worry about. Paint is an overglaze which provides a different surfac...
by Bert Weiss
Fri Jan 01, 2016 1:26 pm
Forum: Photos and Stuff
Topic: Xmas Suncatcher
Replies: 8
Views: 7743

Re: Xmas Suncatcher

Merry New Year!
by Bert Weiss
Mon Dec 28, 2015 7:26 pm
Forum: Techniques and Tools
Topic: Clouding on float and plate glass
Replies: 8
Views: 7003

Re: Clouding on float and plate glass

That stuff doesn't happen to me. First, I never fire thinner glass than 6mm, and usually 10mm. I do routinely paint vitreous colors (mixed with Micas) on the tin side, then fire to 1420' paint side down.
by Bert Weiss
Fri Dec 25, 2015 12:14 pm
Forum: Techniques and Tools
Topic: relays for kilns
Replies: 28
Views: 28983

Re: relays for kilns

Thanks Brad. I misnamed the right relay. The one I used last, is actually called a contractor. I did have the right mental picture of what is supposed to happen. That kiln has 3 zones, so I used two 3 pole normally open contactors. I believe you directed me to this model. Zoro Item G2315381 Definite...
by Bert Weiss
Wed Dec 23, 2015 11:27 pm
Forum: Techniques and Tools
Topic: Best kiln
Replies: 12
Views: 11195

Re: Best kiln

I believe the best kiln configuration is the bell kiln, followed by the clamshell. I don't like it that clamshells only open up on 3 sides. I would set up the hinge sitting well behind the kiln, so when it swings open, there is air flowing 360º around. I have a front loader that is 35 years old. I d...

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Warm Glass

2575 Old Glory Road, Suite 700
Suite 700
Clemmons, NC 27012
Phone: (336) 712 8003
Email: wg@warmglass.com