Re: Shopping for a hardener

Charles,
I have been using dichromate (reduced to chromium III by light and dark
reaction) with very good results to harden gelatin. No volatile chemical
involed and you already have dichromates if you are playing with gum.
Marek, Houston

>From: ryberg <cryberg@comcast.net>
>Reply-To: alt-photo-process-l@sask.usask.ca
>To: alt-photo-process-l@sask.usask.ca
>Subject: Re: Shopping for a hardener
>Date: Wed, 18 Jan 2006 19:29:46 -0800
>
>OK, if by Sigma you mean Sigma-Aldrich, their search engine give no results
>for either Bisepoxides or epox which you mentioned last Auguest. A google
>search on epox gives me a lot of motherboard hits and a lot of epoxy
>hits--nothing else.
> If there is a reason you can't be more specific--non-disclosure
>statements, professional ethics, whatever--could you say so? At this rate
>I'm never going to be able to do multi color gum since I can't use any of
>the standard hardners.
>Charles Portland OR.
>
Received on Thu Jan 19 08:16:01 2006