Re: Paper Negative Details

[Sandy King <sanking@clemson.edu>]

At 10:56 PM -0500 12/5/07, Judy Seigel wrote:
> > On 5 dec 2007, at 18:02, pulpfic@telus.net wrote:
> I guess if you want to make a federal case out of it, rabbit skin 
> glue would be a form of gelatin also (Yes?, No?) but in the field of 
> both art and art photography, in the US at least, "gelatin" in 
> industry tends to be a "porcine" product, as outlined on the package 
> of several kinds I bought. It's also classified by "weight" (or 
> bloom?), a saga in itself, which I have mercifully repressed.
>
> I size paper with Knox (unflavored) cooking gelatin, which does not, 
> or not officially, contain pig. The virtue, among others, is that 
> its readily available, modest in price, & generally uniform. 
> (Neither rabbit nor porcine is kosher, tho Knox is... in case you 
> wish to devour art.)
J.


Knox gelatin is a "porcine" product. However, in the US other types 
are available, such as "ossein" which is the type used in most 
photographic emulsions, and fish glue.

Sandy King