Figure 4. Six Layer (CMYKLCLM) Gum Bichromate Print on Fabriano Artistico Cold Press Paper

A Non-Toxic Gelatin-acrylic Sizing for Gum Bichromate and Other Processes

Gelatin-acrylic sizing provides a reliable, non-toxic alternative to traditional paper sizing for gum bichromate printing. Marek Matusz explains how combining gelatin with acrylic medium improves adhesion, reduces pigment staining, and produces consistent multi-layer prints. He compares several formulas, recommends his preferred mixture, and shows how the sizing also works well for cyanotype, palladium, and gum-over prints. Writer and photography / Marek Matusz WARNING: This is for experienced and advanced users. … Read more

Marek Matusz

Marek Matusz

Marek Matusz photographs landscapes and nature objects. See his Chrysotypes, gum bichromates, Lumens and pt/pd prints. From: Poland, lives in Houston, Texas, USA. Shows: Chrysotypes, Gum bichromates, Lumen prints, Satista print, Tri Coloured Gum bichromates, Platinum & Palladium, Ziatypes. Marek was born in Poland. He now lives and works in the United States, calling Houston, Texas his home. He likes the landscape of the American West and travels extensively to … Read more

Figure 2: Development by the Push Rod Method.

Satista prints

A description of the Satista photographic print process by Marek Matusz.

Lumen print by Marek Matuz

Lumen prints

Marek Matusz gives us a brief overview of an old camera-less process.