Editing Sizing (section)

== Gilding ==
Sizing is a term used for any substance which is applied to a surface before [[gilding]] in order to ensure adhesion of the thin gold layer to the substrate.  Egg whites have often been used as sizing; the Ancient Egyptians sometimes used blood.<ref>{{cite web |url=http://www.theletterheads.com/glawson/goldsize.html |access-date=19 April 2013 |title=A Treatise on Gold Size |author=Glawson, Rick |website=The Letterheads |archive-url=https://web.archive.org/web/20130513234923/http://www.theletterheads.com/glawson/goldsize.html |archive-date=13 May 2013 |url-status=dead}}</ref>  Other commonly used traditional materials for gold leaf sizing are [[rabbit-skin glue]] diluted and heated in water (water gilding), and boiled [[linseed oil]] (oil gilding); modern materials include [[polyvinyl acetate]].