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JBrown437 Profile
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Caped Crusader

Registered: 08-2004
Posts: 2117
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Mold Jacket Materials


I have made silicone molds of my dark knight gauntlets and cowl and need to make some sort of supporting jacket for them. In the past I have always used fiberglass. I am wondering what else I can use.

I really don't like using fiberglass due to it's hazardous nature and all that. Also, dude to the cold weather I can't really work outdoors. So, is there something non-hazardous I can use that can be done in the house?

Last edited by Deadly Lemur, 11/30/2008, 2:22 pm
12/18/2007, 11:10 pm Link to this post Send Email to JBrown437   Send PM to JBrown437
 
six21 Profile
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BOTB Member

Registered: 05-2004
Posts: 49
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Re: Mold Jacket Question?


Gypsum is cheap and strong, but heavy and messy. The is Shell Shock from Smooth-On. It is a brushable polyurethane that promotes itself as a shell material, but I have never personally used it.

Personally, I use fiberglass because it's cheap and strong. Yes, it is messy, but I am willing to put up with it if it gives me a strong, light mold.
12/19/2007, 12:33 am Link to this post Send Email to six21   Send PM to six21
 
pjwares Profile
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Caped Crusader

Registered: 02-2004
Posts: 1077
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Re: Mold Jacket Question?


Try an acrylic or epoxy laminating resin. Much better for you (acrylic in particular) but with the same strength/durability/weight as fibreglass.

---
"Excuse me.... ever danced with the devil in the pale moonlight?"


12/19/2007, 5:21 am Link to this post Send Email to pjwares   Send PM to pjwares
 
DAVIDYR1 Profile
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Caped Crusader

Registered: 02-2004
Location: UD Replicas
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Re: Mold Jacket Question?


Quote:

JBrown437 wrote:

I have made silicone molds of my dark knight gauntlets and cowl and need to make some sort of supporting jacket for them. In the past I have always used fiberglass. I am wondering what else I can use. I really don't like using fiberglass due to it's hazardous nature and all that. Also, dude to the cold weather I can't really work outdoors. So, is there something non-hazardous I can use that can be done in the house?



Jon,
You can plaster bandages for relatively smaller molds, just make sure they're put on thick enough or they'll collapse. For something like a gauntlet mold, I'll probably use about 8 layers of plaster bandages.

Also, while I'm a big supporter of Shell Shock, I wouldnt waste it on a mother mold. Shell Shock is designed to be used as a molding material...just like fiberglass. It's strong and has a great ability to replicate details. If you want to go that route then try Plasti Paste. It's also lightweight, will give you a longer pot life and is odorless..still, wear a respirator...:) I tested Shell Shock for Smooth-On even before it was given it's ultimate product name and will vouch for it time and time again..but I wouldnt use it for a mother mold. Plasti Paste should be a good alternative though. :)

David


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12/19/2007, 12:33 pm Link to this post  
 
clevelandfx Profile
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Caped Crusader

Registered: 01-2005
Location: Cleveland, Oh
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Re: Mold Jacket Question?


plasti paste if you want to do it quickly. Epoxy and glass is you want to spend more time and money.

---
My, my, my. Such a lot of guns around town and so few brains.
12/19/2007, 3:00 pm Link to this post Send Email to clevelandfx   Send PM to clevelandfx
 
Blackwood Bat Profile
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Registered: 02-2004
Location: ummm...the Batcave
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Re: Mold Jacket Question?


Quote:

plasti paste if you want to do it quickly.


This is what I was going to suggest. It's actually the only thing I've used,given my limited molding experience.

Smooth-On makes it. It comes in two buckets,parts 'A' and 'B',mix it,and you have about fifteen minutes pot life.
Use a putty knife and spread it around.
I can't remember the curing time,but it's pretty quick.
It's light and strong,but also has a little 'give' to it.

Check out Smooth-On's site. :wink

John :flapbat

---
"Wile E. Coyote is my reality,Bugs Bunny is my goal."

12/19/2007, 7:58 pm Link to this post Send Email to Blackwood Bat   Send PM to Blackwood Bat
 
JBrown437 Profile
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Caped Crusader

Registered: 08-2004
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Re: Mold Jacket Question?


thank you gentlemen
12/20/2007, 12:10 am Link to this post Send Email to JBrown437   Send PM to JBrown437
 
Brin Londo Profile
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Keeper of the Cave


Registered: 02-2004
Location: Mississippi
Posts: 9351
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Re: Mold Jacket Question?


My vote is for Plasti paste as well.
I've used it in my kitchen.
-Brin

---
You don't choose the Bat, the Bat chooses you.
12/22/2007, 3:27 am Link to this post Send PM to Brin Londo
 
JBrown437 Profile
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Caped Crusader

Registered: 08-2004
Posts: 2117
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Re: Mold Jacket Question?


the plasti paste arrived today. it's my new favorite material. it doesnt even smell! yay!
12/24/2007, 4:47 pm Link to this post Send Email to JBrown437   Send PM to JBrown437
 
Brin Londo Profile
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Keeper of the Cave


Registered: 02-2004
Location: Mississippi
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Re: Mold Jacket Question?


Told ya you could use it in your kitchen. :wink

---
You don't choose the Bat, the Bat chooses you.
12/24/2007, 11:36 pm Link to this post Send PM to Brin Londo
 


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