FotoDave@aol.com
Date: 01/12/02-10:13:51 AM Z
<< I would like hear from people that use chrom alum as a hardener. I am
severly allergic to formaldehyde and its by-products (I end up looking
like a burn victim if a have any contact with it)
>>
Gord,
I have used gelatine (1.5%) + food alum (1.5%), coated twice for sizing for
gum. It works fine for me. The paper has sizing in/on it already. If it is
absorbent, I think you would probably need a third coat or use a stronger
coating.
Dave S
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