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by lmartine
Sun Dec 28, 2014 4:12 pm
Forum: Techniques and Tools
Topic: Lowest temperature for mica
Replies: 8
Views: 5560

Lowest temperature for mica

Hi,

I often see a 'do not exceed x degrees' if fusing mica powders, but I never came across a 'you need at least y degrees' for fusing them!

Would mica stick to a pre-fused blank if applied and then heated to, say, slumping temperatures (e.g., 1150F-1175F)?

Lucie
by lmartine
Sat Nov 29, 2014 9:58 am
Forum: Techniques and Tools
Topic: Sandblaster Foot Pedal
Replies: 18
Views: 13998

Re: Sandblaster Foot Pedal

Same as yours. They quoted me US$149 for: Pinch Valve, 1/2", direct air operated, union end socket Housing: aluminum; Sockets: 1/2" NPT zinc plated carbon steel; Sleeve: abrasion resistant natural rubber; Temperature: up to 175 Deg. F; Product pressure: up to 90 psi; Control air connection...
by lmartine
Thu Nov 27, 2014 9:17 pm
Forum: Techniques and Tools
Topic: Sandblaster Foot Pedal
Replies: 18
Views: 13998

Re: Sandblaster Foot Pedal

Rick,

The body of the pinch valve that you suggest seems to be made out of plastic while those found here:

http://www.akopinchvalves.com/threaded-union-end.html

are made out of aluminum. I was told that it does matter for our application. Any thoughts?

Lucie
by lmartine
Mon Mar 24, 2014 9:32 am
Forum: Techniques and Tools
Topic: Gold leaf quality
Replies: 3
Views: 2907

Gold leaf quality

Hi, I thought that I'd better check with the experts before embarking on my next project! I would like to try my hand at gold inclusions. Through internet searches, I found 23 kt Chinese, Italian and German gold leaves. The latter two types of leaves are up to twice as expensive as the Chinese ones,...
by lmartine
Fri Mar 21, 2014 9:11 pm
Forum: Techniques and Tools
Topic: Pen/pencil that won't fire off
Replies: 10
Views: 8172

Re: Pen/pencil that won't fire off

Hi Jeanice, I used Decocolor markers on Laurie's bottomless ceramic molds (to identify the size of the blank required) as well as on my kiln shelves (to identify my 'silver' shelf). So far so good, my markings are still there after several of firings. They come in different colours. Another big plus...
by lmartine
Fri Mar 07, 2014 6:59 pm
Forum: Newcomer Forum
Topic: Frit balls with flat tops
Replies: 2
Views: 2759

Frit balls with flat tops

Hi, What is the best way to make 1/8 inch thick frit balls with a flat top (in other words, I need oval-shaped, flattened 'balls'...): 1- Make the frit balls (full fuse) then flatten them under a KW-coated dam that will fall onto 1/8 inch fiber paper strips during a 2nd full fuse or 2- Make the flat...
by lmartine
Sat Dec 28, 2013 12:45 pm
Forum: Newcomer Forum
Topic: Sandblasting questions
Replies: 18
Views: 17172

Re: Sandblasting questions

Thank you all for your two cents! You guys rock! =D> Santa will have a blast shopping :)
Lucie
by lmartine
Sat Dec 28, 2013 12:29 pm
Forum: Techniques and Tools
Topic: Primer Pulling Away from Shelf
Replies: 5
Views: 3287

Re: Primer Pulling Away from Shelf

Thanks for the tip Rosanna!

That begs for the next obvious question: if you keep adding 1-2 coats before every firing, when do you now it is time to scrape it all off?

Lucie
by lmartine
Thu Dec 26, 2013 6:06 pm
Forum: Newcomer Forum
Topic: Shelf wash or paper?
Replies: 8
Views: 5673

Re: Shelf wash or paper?

When the last coat has dried I go over it lightly with a fine sanding block to smooth it out. Having used both paper and kiln wash, I prefer the kiln wash hands down. Hi Jeanne, I tried your suggestion this afternoon as I am not crazy about the fine lines that the haike brush leaves on the shelf, a...
by lmartine
Mon Dec 23, 2013 1:56 pm
Forum: Newcomer Forum
Topic: Sandblasting questions
Replies: 18
Views: 17172

Re: Sandblasting questions

Thanks Charlie! Would this dust deputy (http://www.leevalley.com/en/wood/page.aspx?p=69841&cat=1,42401&ap=1) be a preferable to a HEPA filter? And I suppose that the shop vac has to be dedicated to the sand blast cabinet (that is, I can not 'confiscate' my spouse's for that purpose when I ne...
by lmartine
Mon Dec 23, 2013 11:18 am
Forum: Newcomer Forum
Topic: Sandblasting questions
Replies: 18
Views: 17172

Sandblasting questions

Hi, I asked Santa to bring me a benchtop sandblasting cabinet this year ( :D ). In reading about these cabinets, I found websites that mentioned that I also need a dust collector while others made no mention of that. Is it really necessary? Furthermore, there is only one supplier of brown aluminum o...
by lmartine
Sun Dec 22, 2013 6:50 pm
Forum: Newcomer Forum
Topic: Cause of blotches?
Replies: 6
Views: 4412

Re: Cause of blotches?

Thanks for your replies. I did not use Papyros or ThinFire. The chessboard was placed directly on the fiber board. I have just spend another 45 min cold working it again but this time with 200 grit. It is now nearly all covered with these 'blotches', sooooo.... Am I right in assuming that because of...
by lmartine
Sun Dec 22, 2013 5:33 pm
Forum: Newcomer Forum
Topic: Cause of blotches?
Replies: 6
Views: 4412

Cause of blotches?

Hi again, After I cold worked my chessboard using a 400 grit handblock, I cleaned the project in lukewarm water then dried it. That is when I noticed for the first time that there were blotches on all the clear squares (not really apparent on the driftwood squares - but that may just be because of t...
by lmartine
Sun Dec 22, 2013 3:18 pm
Forum: Newcomer Forum
Topic: Project close to kiln edges
Replies: 2
Views: 2415

Project close to kiln edges

Hi, I used the maximum footprint (10 1/4 in x 10 1/4 in) in my kiln (Paragon Fusion 7) to make a chessboard as a gift for Xmas. The corners were within 1.0 to 1.5 cm of the brick walls. There are two 3 mm layers (alternating BE driftwood and clear squares, topped with one sheet of BE green aventurin...
by lmartine
Fri Dec 06, 2013 7:26 am
Forum: Techniques and Tools
Topic: Safety relating to thin fire kiln shelf paper
Replies: 19
Views: 22480

Re: Safety relating to thin fire kiln shelf paper

Greg Rawls wrote:Keep kiln closed when binders are burning off.


Greg,

Kevin had just mentioned in his post to vent the kiln when the Thin Fire is burning. His reasons made sense (for a newbie) as much as yours. I guess the jury is still out on that one too?

Lucie
by lmartine
Sat Nov 30, 2013 8:16 am
Forum: Techniques and Tools
Topic: Fire polish strip construction
Replies: 4
Views: 3234

Re: Fire polish strip construction

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, ...
by lmartine
Wed Oct 02, 2013 7:25 pm
Forum: Newcomer Forum
Topic: Control bubbles
Replies: 9
Views: 5615

Control bubbles

Hi, So far so good, I do not have a lot of bubbles in my fused blanks. But I kind of like them... under certain circumstances, of course (e.g., part of the design). I read that there are products that allow you to control the size of the bubbles, their location, etc. I did not find any info on this ...
by lmartine
Tue Oct 01, 2013 6:28 am
Forum: Newcomer Forum
Topic: Yet another crack...
Replies: 11
Views: 5798

Re: Yet another crack...

Thanks a million Cynthia! I really appreciate your response and especially, you taking the time to enlighten us, newbies! I have another melt waiting on the sidelines to be fused in a panel. Of course, I used only red,marigold and white (I apparently love living on the edge for a newbie! :wink: ). I...
by lmartine
Sun Sep 29, 2013 8:32 pm
Forum: Newcomer Forum
Topic: Yet another crack...
Replies: 11
Views: 5798

Re: Yet another crack...

Beginner's luck I guess: I always used devit spray before slumping and everything comes out shiny.

But with stuff breaking for my last 3 loads, I guess Imy luck ran out 8)
by lmartine
Sun Sep 29, 2013 6:43 pm
Forum: Newcomer Forum
Topic: Yet another crack...
Replies: 11
Views: 5798

Re: Yet another crack...

Sorry for the confusion: I guess I should have mentioned that the schedule I posted was for a tack fuse. My blank cracked on the mold before I even programmed the kiln for the slumping... I always thought that from a full or tack fuse temperature, it was AFAP to 900 as this was the (new) annealing t...

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