Glass seat pan attempt.

My dad has clay like that from 20+ years ago. Still use it to fill voids on 2 piece molds, scrape it off, put it back in its container.
 
Looks like it's available in 1 and 4lb bars very reasonable. If I were to use it to contour shapes will it hold up to some roller presser or when applying the glass and should it be masked over?
 
Tune-A-Fish said:
Looks like it's available in 1 and 4lb bars very reasonable. If I were to use it to contour shapes will it hold up to some roller presser or when applying the glass and should it be masked over?
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If you buy it in packs pre-made make double sure you're getting sulfur free. Most oil clays don't have it, but plastilina often does. Sulfur will eff up silicone based molding compounds. If you'll only use small amounts, buying it makes sense. I probably have 400 lbs of the stuff. LOL
 
deviant said:
Epoxy is far less noxious and much safer for your neighbors.

http://www.netcomposites.com/guide/resin-comparison/18
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I went to the local supply and got some things and when I opened the top of the "resin" it had an MEK hardener and nowhere does it say epoxy or polyester. I don't think epoxy uses any MEK hardener and certainly not a few drops to a quart so off to look for the correct stuff.

I used to do some Epoxy Terrazzo infill back when I had the concrete company... quite a lot actually and that was a 1 - .5 ratio for most and even 1 - 1 on some high end elevator stuff that was super thin with light weight aggregates bla bla bla...
 
Tune-A-Fish said:
I used to do some Epoxy Terrazzo infill back when I had the concrete company... quite a lot actually and that was a 1 - .5 ratio for most and even 1 - 1 on some high end elevator stuff that was super thin with light weight aggregates bla bla bla...
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Terrazzo, that's high dollar stuff, but beautiful. I was part of the design and construction of Tyler School of Art which is part of Temple U. All terrazzo in the main corridors, stairs and atrium. I'd say more than 12,000 sq ft.
 
It is spendy, can't imagine the price per square now. You need hire guys that love to do it and know how to operate the grinders... one holiday on a diamond grinder will dig a deep pocket and just by nature with the polish it's tough to get it perfectly level with no swells. By now the grinders might be on lasers though... everything else is, we wont need humans with skills just need to turn on switches and put out fires. :-\
 
All union labor. The crew doing it all had a minimum 20 years on the stuff. They did great work.
 
Tune-A-Fish said:
It is spendy, can't imagine the price per square now. You need hire guys that love to do it and know how to operate the grinders... one holiday on a diamond grinder will dig a deep pocket and just by nature with the polish it's tough to get it perfectly level with no swells. By now the grinders might be on lasers though... everything else is, we wont need humans with skills just need to turn on switches and put out fires. :-\
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That's how it goes with machine work these days. Everybody is paying kids $10 to stand and watch the CNC. We're one of a couple in my area that runs manual mills.
 
Makes you wonder if technology isn't stealing the core value of living. If you don't have to work hard for a meal, why the need for the meal?
 
MEK is used with polyesters, not with epoxies. Epoxy is substantially stronger and consequently potentially lighter. Vastly better adhesive characteristics generally too. I buy all my resins from these guys: http://www.epoxyproducts.com/. Absolutely finest quality, and have never seen better pricing. Epoxy is REALLY expensive compared to polyester; important for boats and production parts, not so much for bikes if you are careful not to waste.
 
Masked and ready to drape and make a mess... whats the skinny on mixing epoxy in cold temps... is there a drop dead don't do it temp? it's 60deg F here and 35% humidity, I can use a space heater to blow warm air over the work if needed.

Go/No Go?
 

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Thanks man! good thing this is for myself, until I get it covered I might get the stink eye from you pro's :o
 
If I fail I can always commission this cat to build me a nice tail:

https://www.youtube.com/watch?v=M82uS_OUNB0
 
First (ever) layup done. may have too much resin in some low spots... hope it sets up.
 

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