File puptcrit/puptcrit.0803, message 467


Date: Fri, 28 Mar 2008 09:22:15 -0400
To: puptcrit-AT-puptcrit.org
Subject: Re: [Puptcrit] Barth Mache: you gotta try it!


The Lepage Pres-Tite Green is named a "water-based rubber latex",  
according to its MSDS sheet:

http://www.amresupply.com/resources/msds/forms/LePage%20Pres-Tite% 
20Green%20Latex%20Contact%20Cement.pdf

I assume that the Lepage uses natural rubber latex, as opposed to the  
synthetic latex (neoprene, aka polychloropene)?

I don't notice a strong odor from the cured neoprene casts, or from  
the cured DAP Green cement - maybe a slight, sweetish "neoprene"  
smell - but I'm not wearing the stuff on my face, either :)

Both the casting compound and the DAP Green give off a slight ammonia  
odor when they are in their liquid forms, if I recall correctly.

On Mar 28, 2008, at 9:00 AM, Mathieu René wrote:

> I just checked my test mask of Barth Mache.
>
> I had forgotten how long the smell of the Lepage Press-Tite Green  
> waterbased
> contact cement remains on the objects. Now I do. It used to take  
> about a
> week for most of the airborne smell to go away.
> However there was still some quite noticeable smell, when smelled  
> up close,
> years after my first foam puppet was made. This smell would make it
> uncomfortable for mask wearers, being so direclty in front of their  
> nose.
>
> I wonder if the DAP Weldwood off gases more quickly?
> I might need to order some if I can't find it locally. But that's  
> not a
> priority, I try to avoid getting "addicted" to a method that mandates
> ordering a product regularly. I will still try to find a locally  
> available
> substitute.
>
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