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Frit Tinting

For discussion and commentary regarding the Lesson and Project videos of the Bullseye Kiln-Glass Education Online program.

Frit Tinting

Postby Chris_Petrauskas » Tue May 24, 2016 10:42 am

Watch the Lesson at:
https://videos.bullseyeglass.com/videos/frit-tinting/

Please discuss and comment in this thread.

Thanks!
Chris Petrauskas
Bullseye Glass Co.
Portland, Oregon, USA
http://www.bullseyeglass.com
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Re: Frit Tinting

Postby kpfears » Wed Jun 22, 2016 4:16 am

I just watched the lesson and it was very thorough. Problem is, there is no .pdf associated with the percentages for tinting, the formula for weighing out the glass for the circle or the firing schedules. Those should be available to people who pay to watch these videos. The .pdf provided, with supplies and one firing schedule for wedges, is helpful but not really complete. Just a suggestion.
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Re: Frit Tinting

Postby marykaynitchie » Thu Jun 23, 2016 10:50 am

Hi kpfars,

The information you mention is covered in chapter 5 of the video--with a suggested percentage of powder for tinting, the formula for determining how much glass to use, and a suggested firing cycle.

I also just found an article that we can add to the Learn More links:

http://www.bullseyeglass.com/methods-id ... -bowl.html

I hope this helps!

Mary Kay
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Re: Frit Tinting

Postby barbl1209 » Thu Jun 23, 2016 2:56 pm

Just watched this lesson - very interesting BUT -all the measurements -in grams -can you post a conversion to ounces? :?: :|
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Re: Frit Tinting

Postby marykaynitchie » Thu Jun 23, 2016 3:08 pm

Hi Barb,

Because 1 cubic cm of water weighs 1 gram, using grams to calculate glass needed for kilncasting is easier than using ounces. But if you show us which calculations you want converted, we can do that for you in this thread.

Mary Kay
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Bullseye Glass Co.

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Re: Frit Tinting

Postby jestersbaubles » Mon Jun 27, 2016 10:59 am

barbl1209@gmail.com wrote:Just watched this lesson - very interesting BUT -all the measurements -in grams -can you post a conversion to ounces? :?: :|


28 grams in an ounce :mrgreen: . (actually, 28.35)

It's also quite simple to go to Google and type in "convert grams to ounces" and you will get a handy calculator.

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Re: Frit Tinting

Postby tdebben » Fri Apr 21, 2017 8:06 am

Hi Mary Kay, does the firing schedule for the tinting trigger the "Rule of 6"? The tinted glass appears to have retained its initial dimensions.

Thank you.
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Re: Frit Tinting

Postby marykaynitchie » Fri Apr 21, 2017 8:39 am

I am not sure I understand your question.

If you are referring to the frit-tinted vessel, the design calls for it to be 10 cm thick. Therefore, it needs a dam to keep the footprint from spreading during the initial full firing. This is not an issue during the slump firing.

Does that help?

Mary Kay
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