Re: Artists' tape

[etienne garbaux <photographeur@nerdshack.com>]

Judy wrote:

> For what it's worth I mention that I've made my own "artist's" tape 
> for defining edges of a coat of emulsion -- by mixing Rhoplex N580 
> (whatever that is, about which more in a moment) with maybe 20% 
> water to about the consistency of heavy cream and coating on one 
> side of clear plastic strips that I cut to size and shape
>
> So what is "Rhoplex" anyway?  The name is so familiar it could be anything.
It is a water-based acrylic adhesive made by Rohm & Haas, sold for 
use "neat" or as a formulating base.  Interestingly, R&H says, 
"RHOPLEX N-580 is suggested for use where permanent 
pressure-sensitive bonds are required."  See:

http://talasonline.com/photos/instructions/rhoplex_n-580_info.pdf

Here is a short blurb from the Talas page:

> An aqueous acrylic emulsion, providing excellent adhesion on paper, 
> fabric and hard to bond surfaces. Can be used as a contact adhesive. 
> Used commonly to bond light weight papers such as tissues and 
> newsprint without cockling in collage and chine colle, pH 8.4 with a 
> high molecular weight.  (From: 
> http://apps.webcreate.com/ecom/catalog/product_specific.cfm?ClientID=15&ProductID=17838)
Talas lists Wheat Paste and Methyl Cellulose as "related products."

Best regards,

etienne