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Tiki Central Forums Creating Tiki Other Crafts Latex OMG!
Latex OMG!
Zinctiki
Grand Member (3 years)  

Joined: Aug 11, 2010
Posts: 103
From: Walnut, CA
Posted: 2011-05-17 5:34 pm   Permalink

Okay, so I'm trying to get a handle on mug-making (no pun - old subject I know) and I used the non-sulfurous clay to attempt a simple Moai first-off which turned into a freakish Hugh Hefner-ish Moai thing. (No biggie, just larnin.)

Then someone gave me a free jar of "Mold Builder" liquid latex to build the mold. I thought "Wow, that should be easy!" until the second day into painting this thing and I'd already destroyed three of my nicer brushes. And I'm only done with 5 of the recommended 10 coats!? The brushes turn to rubber instantly.

You can see how the stuff coagulates after a few coats and it ain't gonna make 10 coats. Anyone familiar with this technique?

Help!

Mahalo,
zinctiki

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[ This Message was edited by: Zinctiki 2011-10-31 16:15 ]


 
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teaKEY
Tiki Socialite

Joined: Nov 09, 2004
Posts: 3664
From: The thumb !
Posted: 2011-05-17 7:09 pm   Permalink

-"Looks Good"

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20+10 =30yo

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MadDogMike
Grand Member (6 years)  

Joined: Mar 30, 2008
Posts: 7294
From: The Anvil of the Sun
Posted: 2011-05-17 8:25 pm   Permalink

ZincTiki, I have worked with that Mold Builder, it's a bit tedious making all those layers and allowing them to dry between layers - takes several days to make a mold. I think the real product to use for that is RTV (which is more expensive and I have not tried). Mold Builder does work well for small items and it's readily available at Michael's.

The real question is what do you want to accomplish with that latex mold? It cannot be used to slipcast mugs, you have to do that in a plaster mold. Sometimes a production run will create an original and make an RTV mold to make several masters, then use the masters to make several molds. But that is only if you plan on making several hundred mugs! (I'm not sure there is a market for several hundred mugs of Hugh Hefner in a captain's hat )

Here is a link to one of the
definitive mold making threads by Babalu and Bowana. There are several other threads that include moldmaking, check out DanLovesTiki's thread for lots of mold making info. Also some in Swizzle's, BeachBumz' and MauiTiki's threads.

Looks like you've got some reading to do

Mike

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[ This Message was edited by: MadDogMike 2011-05-17 20:28 ]


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Zinctiki
Grand Member (3 years)  

Joined: Aug 11, 2010
Posts: 103
From: Walnut, CA
Posted: 2011-05-18 06:59 am   Permalink

[quote]
On 2011-05-17 20:25, MadDogMike wrote:
ZincTiki, I have worked with that Mold Builder, it's a bit tedious making all those layers and allowing them to dry between layers - takes several days to make a mold. I think the real product to use for that is RTV (which is more expensive and I have not tried). Mold Builder does work well for small items and it's readily available at Michael's.

The real question is what do you want to accomplish with that latex mold? It cannot be used to slipcast mugs, you have to do that in a plaster mold. Sometimes a production run will create an original and make an RTV mold to make several masters, then use the masters to make several molds. But that is only if you plan on making several hundred mugs! (I'm not sure there is a market for several hundred mugs of Hugh Hefner in a captain's hat )

Here is a link to one of the
definitive mold making threads by Babalu and Bowana. There are several other threads that include moldmaking, check out DanLovesTiki's thread for lots of mold making info. Also some in Swizzle's, BeachBumz' and MauiTiki's threads.

Looks like you've got some reading to do


Yup, lotsa readin'. Thanks, Mike. The idea with this one was to make a wax from the mold then try an RTV. But, yeah, the master needs to be more tiki than Heff. I'm looking for a class/shop nearby similar to what Swizzle did, but no luck yet.

[getting on to reading TC threads]

Thanks again, Mike.

Z~




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tikiskip
Grand Member (8 years)  

Joined: Nov 26, 2005
Posts: 2816
Posted: 2011-06-13 07:00 am   Permalink

Did you ever get the latex to work?

 
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Tabu
Tiki Socialite

Joined: Sep 07, 2004
Posts: 137
From: Port Hope, Ont.
Posted: 2011-06-13 4:23 pm   Permalink

To help stretch out the life of your brush when using latex try dipping the brush in some dish soap then squeezing it out before using the latex. You can clean the latex off between coats with the dish soap as well. It should help to keep the latex on your brush from drying out. At the stage in the photo you could try to use a wedge of sponge to stipple the latex on to the piece instead of a brush. Hope that helps in the future.

 
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Zinctiki
Grand Member (3 years)  

Joined: Aug 11, 2010
Posts: 103
From: Walnut, CA
Posted: 2011-10-31 4:18 pm   Permalink

Skip: no, he came completely apart when trying to remove the latex. Not fond of this method.

Tabu: thanks for the tips. I might try a more conventional method next time though.
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danlovestikis
Grand Member (6 years)  

Joined: Jun 17, 2002
Posts: 4747
Posted: 2011-10-31 5:17 pm   Permalink

Your mug really looked just like Huge good job. Mold making is hard work but figuring out undercuts is even harder. In the end its all worth the effort, Wendy
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umeone
Tiki Socialite

Joined: Aug 26, 2005
Posts: 149
Posted: 2011-11-03 07:01 am   Permalink

Awe, Zinctiki, I'm sorry Heff didn't make it, I think he would have been a fun Mug! Keep working, gotta keep working! MDM you are just to funny!

 
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