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The ExistentialBat Profile
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Caped Crusader

Registered: 09-2007
Location: Trinovantum
Posts: 1062
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Smooth On Smooth Cast 300


I'm trying to make some molds exactly like the way they do it in this vid.

http://www.youtube.com/watch?v=7r0JBAyZVck

I was wondering how much Smooth cast 300 to mix, I know it's a 1:1 mix ratio but I don't know how much to mix.

I've got 600cc mixing containers, but don't know how much product to use to adequately cover the application. As I only have a trial size amount of smooth cast 300, I don't want to use too much, but also not use enough.

Anybody have an idea?

Last edited by Deadly Lemur, 6/29/2009, 11:37 pm


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To many I am NoTsOsErIoUs.

"Was ist ist
Was nicht ist ist moglich"

Free Tibet.
7/10/2008, 12:17 pm Link to this post Send PM to The ExistentialBat
 
pollyestergrimm Profile
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Caped Crusader

Registered: 01-2008
Location: Boston
Posts: 1514
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Re: Ever use Smooth on Smooth cast 300 before?


i have the trial size, too- i've been casting all kinds of things in it for months- only now did i decide to try and mold with it.

it's basically water-thin until five seconds before full cure time, so don't expect to be able to trowel it on. it's sturdy but still breakable so be careful. it's a little tougher than plaster. it's messy, too. good news, you won't need a lot to make a mold. in fact, about three capfulls of each will do with what you're working with, but do a little more because it's your first time. don't do it on anything you don't want ruined, and wear gross cloths. wear gloves, because it gets REALLY hot as it cures, so don't get it on your skin and don't handle it too much- just make sure your containers are not meltable. i'm gonna say it gets close to 250 or three hundred degrees. also, don't let any contaminates, ESPECIALLY water into it, even a droplet, because it makes it foam an unrully amount and you now have a ruined mold.

hope that helps...

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7/10/2008, 12:27 pm Link to this post Send Email to pollyestergrimm   Send PM to pollyestergrimm
 
The ExistentialBat Profile
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Caped Crusader

Registered: 09-2007
Location: Trinovantum
Posts: 1062
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Re: Ever use Smooth on Smooth cast 300 before?


Thanks grimm it's o.k. I sorted it.
Man that stuff is excellent to use, but boy does it throw out some heat upon reaction!

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To many I am NoTsOsErIoUs.

"Was ist ist
Was nicht ist ist moglich"

Free Tibet.
7/10/2008, 3:30 pm Link to this post Send PM to The ExistentialBat
 
Kbillan Profile
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Caped Crusader

Registered: 09-2007
Location: BUFFALO
Posts: 1711
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Re: Ever use Smooth on Smooth cast 300 before?


I use 320 in my belts.. whats the difference? dont know.. LOL

but 320 is super easy to use.

Go to your local auto paint supply store and buy some PPG measuring cups. Theyre like .50 each.. and they are coated with something that makes them easy to clean (once the residue is fully cure)

Keith

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Typing from an Ipad- ignore spelling and grammatical errors..
7/10/2008, 3:31 pm Link to this post Send Email to Kbillan   Send PM to Kbillan
 


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