Sticking stacked glass. - WarmGlass.com

Sticking stacked glass.

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Mike Bathalter
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Sticking stacked glass.

Postby Mike Bathalter » Mon Feb 03, 2014 10:21 pm

I slump float glass over stainless steel molds. Hi-Temp 1800 works great on the mold. When I slump 2 pieces of glass stacked, I spray a light coat of Hi Temp 1800 on one of them but it leaves a haze that is difficult to remove. Any suggestions to keep the glass from sticking to each other ? Thanks Mike

JestersBaubles
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Re: Sticking stacked glass.

Postby JestersBaubles » Mon Feb 03, 2014 10:50 pm

Why would you stack two pieces of glass on top of each other, and not want them to fused together?

The boron nitride spray is for coating molds, not glass. I suppose you could use 1/8" fiber paper between the two pieces if you are really bent on fusing two at a time.

From my experience, Hi Temp 1800 is inferior to MR-97. Every time I've used the High Temp it has clouded my glass like you suggest. MR-97 does not do that (in my experience).

Dana W.

Mike Bathalter
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Re: Sticking stacked glass.

Postby Mike Bathalter » Mon Feb 03, 2014 11:12 pm

Thanks Dana, I stack the glass so it doubles the amount pieces made in each firing.

I have used Thin Fire paper but that gets expensive.

I am not familiar with MR- 97 but will give a try . Thanks again ! Mike

Morganica
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Re: Sticking stacked glass.

Postby Morganica » Tue Feb 04, 2014 1:01 am

Try sifting down a separator--dry kilnwash, plaster of paris, alumina, that sort of thing. If you coat it well (and evenly) you should get separation without the expense of BN.
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Lauri Levanto
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Re: Sticking stacked glass.

Postby Lauri Levanto » Tue Feb 04, 2014 7:00 am

Morganica wrote:Try sifting down a separator--dry kilnwash, plaster of paris, alumina, that sort of thing. If you coat it well (and evenly) you should get separation without the expense of BN.


That is how windshields are made.

rosanna gusler
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Re: Sticking stacked glass.

Postby rosanna gusler » Tue Feb 04, 2014 9:41 am

you can also make a wash with pure alumina and a binder (cmc, elmers glue, sugar) for green strength and spray on a smooth coat. let dry and stack. r.
artist, owner of wanchese art studio, marine finisher


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