paper – Chumik

Paper sizing with alum – Part II

In the previous post I talked about the step-by-step process of sizing paper; we will examine the use of alum as an essential component in this post, as well as its application during the painting process.

How to apply paper size with glue and alum

A size is a substance that acts as a protective glaze on cellulose fibers to reduce the absorption of liquid, so when you paint in water-based medium, the paint would stay on top of the substrate – paper or fabric – instead of getting soaked into it. The wide acceptance of gelatin or glue* asContinue reading “How to apply paper size with glue and alum”