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by Ed Cantarella
Wed May 15, 2019 8:41 am
Forum: Newcomer Forum
Topic: Making small pieces glass
Replies: 4
Views: 240

Re: Making small pieces glass

They'll resist getting smaller as the smaller pieces can take the stress better or just plain have less of it. You'll need to crush or grind it beyond that. If you get a crusher, I'd suggest you get one with a sturdy, solid handle(not the Aanraku) and instead of pumping up and down, put it on a soli...
by Ed Cantarella
Tue May 14, 2019 10:21 am
Forum: Newcomer Forum
Topic: Do I need to “season” my new shelf?
Replies: 4
Views: 252

Re: Do I need to “season” my new shelf?

I just got a new Skutt Kiln, with new shelf, and kiln wash powder. My first two firings had lots of adherence to the glass (four of wash applied), but I am noticing that the wash that stays on the shelf is looking more paint-like and firm. The first application was pretty dusty even after firing an...
by Ed Cantarella
Wed May 01, 2019 11:36 am
Forum: Techniques and Tools
Topic: SSR question
Replies: 14
Views: 843

Re: SSR question

I always use SSRs rated for at least 3 times the load as their real life rating drops quickly with a rise in ambient temps - see the pic. And the higher capacity is a trivial amount more imo.
relay temps.png
by Ed Cantarella
Wed May 01, 2019 11:29 am
Forum: Techniques and Tools
Topic: Need advice on cooling AFAP with Paragon CS-26
Replies: 6
Views: 294

Re: Need advice on cooling AFAP with Paragon CS-26

Its moving from a very small Paragon manual front loader (< 1 ft x 1 ft inside) to a Paragon clamshell with about 2 ft x 2 ft and an Sentry 2.0 controller. I'm using a kiln shelf from Bullseye on 1" posts. I think the heat mass is so much larger than my little starter kiln perhaps my expectati...
by Ed Cantarella
Sat Apr 27, 2019 12:14 pm
Forum: Techniques and Tools
Topic: Need advice on cooling AFAP with Paragon CS-26
Replies: 6
Views: 294

Re: Need advice on cooling AFAP with Paragon CS-26

I'm wondering what type of kiln you were using before this, that the cooling cycle was substantially shorter. :-k If you are using a corderiete (feels like clay, heavy, hard) shelf, you could try a ceramic fiber board one to cut the time on flat work. Fiber board cuts away probably 20 lbs on a shelf...
by Ed Cantarella
Fri Mar 08, 2019 12:17 pm
Forum: Newcomer Forum
Topic: Beginner questions
Replies: 3
Views: 774

Re: Beginner questions

Regarding the Primer - this discussion has been made before. Bullseye says their primer(not PRimo) should be washed off and re-applied after every use. Hotlines/Primo says NOTHING regarding when to remove. If we assume PRimo is good for at least one use, then they both are single use. At very least....
by Ed Cantarella
Thu Mar 07, 2019 3:16 pm
Forum: Newcomer Forum
Topic: Re-fire brittle glass
Replies: 1
Views: 557

Re: Re-fire brittle glass

The tips are probably just brittle. Refiring won't help them, other than if you do a full fuse and cause them to retract(losing the sharp tips. Opening the kiln: extremely pointless to look in the kiln between 100-800+f. You can thermal shock(break) a piece going either direction in that range. If y...
by Ed Cantarella
Wed Feb 27, 2019 3:27 pm
Forum: Techniques and Tools
Topic: kiln elements
Replies: 8
Views: 2458

Re: kiln elements

The Kiln Book by Frederick Olson has a decent section on electric kilns and calculating electric element lengths, etc. *Get the 3rd edition.
by Ed Cantarella
Thu Feb 14, 2019 7:39 pm
Forum: Newcomer Forum
Topic: I need castable mould materials to melt plate glass into a disc.
Replies: 36
Views: 5236

Re: I need castable mould materials to melt plate glass into a disc.

I doubt I can cut tempered glass. But I can split it. I also saw videos of splitting circles from squares. I think that is much less difficult with 1/4" glass than with 1/2". So, my task is to fuse two 1/4" pieces of glass together and slump them, hopefully in the same cycle. Freeing...
by Ed Cantarella
Mon Feb 11, 2019 9:13 am
Forum: Newcomer Forum
Topic: I need castable mould materials to melt plate glass into a disc.
Replies: 36
Views: 5236

Re: I need castable mould materials to melt plate glass into a disc.

Devitrification is not about cleanliness, it's about the glass being at a high temp for too long. No, bubbles won't float up through the glass like magic, the small bubbles could take days to reach the top, if ever. 1900f is not high temp for a ceramic kiln or a mixed media kiln. Those go to 2300f T...
by Ed Cantarella
Sun Feb 10, 2019 11:39 am
Forum: Newcomer Forum
Topic: High Temp Powder Coating
Replies: 5
Views: 1264

Re: High Temp Powder Coating

Hi, I have a Paragon Kiln - Ovation 10, and my husband wants to powder coat his headers (high temp) it will have to go to about 1200 for 10-15 minutes. I make a living with this kiln and am afraid it will hurt it, does any one know if it will hurt my kiln. Thank you all so much. Lori Powder coating...
by Ed Cantarella
Fri Feb 08, 2019 12:37 pm
Forum: Newcomer Forum
Topic: I need castable mould materials to melt plate glass into a disc.
Replies: 36
Views: 5236

Re: I want to melt glass scrap into a disc.

OP - Google glass table tops - Someone will custom cut a piece that size for less than $75 each. Maybe double down and get a few to save on shipping.
Unsolicited advice - don't try this(molding your own). Nobody will 'post' you up the total learning curve required.
by Ed Cantarella
Wed Jan 16, 2019 1:05 pm
Forum: Photos and Stuff
Topic: Desert Morning
Replies: 8
Views: 2658

Re: Desert Morning

Beautiful!!
by Ed Cantarella
Tue Jan 08, 2019 12:59 pm
Forum: Business Topics
Topic: Buying Bullseye Glass
Replies: 4
Views: 1556

Re: Buying Bullseye Glass

I usually save my pennies to make large-ish orders with BE, for maximum discount. I'm in USA so no customs, and even with BE's shipping, I am usually still 20% under any mail-order retail(or Delphi which is about 50 miles one away). The mail order would then have shipping added on. Delphi would requ...
by Ed Cantarella
Mon Dec 31, 2018 1:09 pm
Forum: Art, philosophy, and content
Topic: Using glass in children's projects
Replies: 13
Views: 10411

Re: Using glass in children's projects

Water jet cut glass items we brushed with CMC and then powdered with frit and fired, a few hundred beads made from small cut or grozed scraps and some larger frit. Add 17 adults and children after Christmas dinner . Add some Elmer's glue, wood toothpicks paperplates and a few colors of Glassline. Fu...
by Ed Cantarella
Tue Dec 18, 2018 2:33 pm
Forum: Newcomer Forum
Topic: is spray A dangerous?
Replies: 12
Views: 3536

Re: is spray A dangerous?

Five gallons of borax solution will last until the dinosaurs roam the earth for a second time. :) I mix one pint of hot water with enough borax to saturate the water. Let cool and pour off the liquid which is the devit solution. That amount lasts me years (but I son't do whole sheets). Barry Agree ...
by Ed Cantarella
Sat Dec 15, 2018 11:37 am
Forum: Techniques and Tools
Topic: Removing sticker 'ghost marks'
Replies: 11
Views: 2343

Re: Removing sticker 'ghost marks'

I think the ghosts occur similar to how you make glue-chip glass: spread hot hide glue on glass, then as it cools it rips the surface a little. I think the ghosts are where particles of the adhesive dried and disrupted the shiny surface by pulling at it. idk. I've had same experience - they pretty m...
by Ed Cantarella
Tue Dec 11, 2018 2:27 pm
Forum: Newcomer Forum
Topic: is spray A dangerous?
Replies: 12
Views: 3536

Re: is spray A dangerous?

There is a comment by Ed above about using boron as a dip for pieces with light devit. Can someone talk more about that and also where do you get boron? Thanks for any info. 4-5 cups borax (one box if 20 Mule Team) 5 gallons distilled water - heat up to coffee/tea warm, borax dissolves better. Pinc...
by Ed Cantarella
Sat Nov 24, 2018 6:44 pm
Forum: Photos and Stuff
Topic: The Latest Bowl
Replies: 8
Views: 1778

Re: The Latest Bowl

So sorry Sharol - glad you are ok. And yes, beautiful bowl.
by Ed Cantarella
Sun Nov 18, 2018 10:55 am
Forum: Photos and Stuff
Topic: Playing with drop vases
Replies: 3
Views: 1199

Re: Playing with drop vases

Thanks Kevin. Yeah, some we keep the tops on, others cut off. We like breaking, re-arranging and remelting the cut off pieces to make very similar sibling pieces or sets. I've made a few using an escape plan. And a few that couldn't escape - good-bye dear ring. :(

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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