Fire polish strip construction - WarmGlass.com

Fire polish strip construction

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sheila
Posts: 11
Joined: Wed Apr 02, 2003 2:03 pm
Location: Seward, Alaska

Fire polish strip construction

Postby sheila » Fri Nov 29, 2013 4:14 pm

Just fired my first edge strip construction with great results, BUT…
I want to flip and refire to fire polish since I like the precise lines on the bottom side.
I know I'll need to dam again as it is 8 mm thick, and fire to 1400….
Question: will I lose the precision in the lines? Will they become more organic like the lines on the top side?
I'll have to rework the edges again after this 2nd firing and then will slump.
Thanks for your thoughts.
aktreehouse

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The Hobbyist
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Location: Sun City West (NW Phoenix), AZ
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Re: Fire polish strip construction

Postby The Hobbyist » Fri Nov 29, 2013 6:13 pm

No, you should not lose the nice straight lines. However, you run the risk of getting devit because of the residue of kilnwash. When I do these I always lightly sandblast the surface and then give a coat of SuperSpray.

Jim
"With or without religion, good people can behave well and bad people can do evil; but for good people to do evil—that takes religion. " Steven Weinberg

lmartine
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Joined: Sat Mar 30, 2013 9:05 am

Re: Fire polish strip construction

Postby lmartine » Sat Nov 30, 2013 8:16 am

The Hobbyist wrote:When I do these I always lightly sandblast the surface and then give a coat of SuperSpray.

Jim


Jim,

I do not have access to sandblasting equipment. Would using the Wash-Away remover be as efficient in removing KW residues? Alternately, if the piece was initially full fused on Papyros or Thin Fire, would that also be a big issue when you fire polish it as if a KW shelf was used?

Lucie

The Hobbyist
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Re: Fire polish strip construction

Postby The Hobbyist » Sat Nov 30, 2013 11:44 am

I have no experience with either. Maybe they won't affect a refire. Same thing for the Wash-Away. I would try some test pieces before I gambled on a larger or more important project.

Jim
"With or without religion, good people can behave well and bad people can do evil; but for good people to do evil—that takes religion. " Steven Weinberg

sheila
Posts: 11
Joined: Wed Apr 02, 2003 2:03 pm
Location: Seward, Alaska

Re: Fire polish strip construction

Postby sheila » Sun Dec 01, 2013 6:34 pm

Thanks for your comment. I also don't have a sandblaster so used my diamond pad, 400 grit, and then sprayed with Super Spray. Pretty good success, but not the perfection to match my really cool, neat staight lines in the glass. I'm wondering if a more aggressive use of the pads might work and then repeating the firing. My temp was good as the 2 windows in the piece of 1.6 carnelian on 6 mm tekta came out nice and glossy.
Another option I'm contemplating…. what if I sprinkled clear power on top and refired? That's worked really well for devit on other projects.
I'd be delighted to get your input.
Thanks!


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