Re: that cyanotype banner

Peter Marshall (petermarshall@cix.compulink.co.uk)
Thu, 5 Oct 95 20:15 BST-1

In-Reply-To: <Pine.SUN.3.91.951005000229.29707A-100000@panix.com>
>
> > Cyanotypes once exposed and washed are absolutely no problem. People
> > have been wearing them on T-shirts for a long time.
>
> That depends on what's in their laundry soap....some laundry powders
> have
> borax, which is a cyanotype bleach. Washing soda, which is sodium
> carbonate (with or without perfume), ditto. Plain chlorox will also
> fade a t-shirt.
>
> Judy

As usual you are absolutely correct - I meant wearing them was in no way
a hazard. Just because the name starts with cyan people shouldn't think
they are dangerous - which was the point of the comment I was replying
to.
Peter
petermarshall@cix.compulink.co.uk