Indietro

Ricette: Soft Size-base Paint

Before the chemical modification of cellulose and the production of water-soluble cellulose glue, glue-/gelatin-/size-base paints were made from the gelatine and glue-forming tissues that occur in the bones, skins and intestines of animals. Bone glue is a very hard, brittle glue with high adhesive power. For wall paint, skin glue and rabbit-skin glue are more suitable, because they are more elastic. They are first soaked in water, then heated in a water bath and applied warm, because they can only be used when warm.

Lavorazione

Let 120 grams of skin glue soak in 1 liter of cold water for 1-2 hours. Passo 1: Let 120 grams of skin glue soak in 1 liter of cold water for 1-2 hours.
Heat the soaked glue in a water bath, to a maximum of 60 °C (= 140 °F) - the glue will be less flexible if heated above 60°C. Add about 1.5 kilograms of Chalk from Champagne or 1.5 kilograms of the pigment of your choice to the warm glue and let it soak. Passo 2: Heat the soaked glue in a water bath, to a maximum of 60 °C (= 140 °F) - the glue will be less flexible if heated above 60°C. Add about 1.5 kilograms of Chalk from Champagne or 1.5 kilograms of the pigment of your choice to the warm glue and let it soak.
Adding a little bit of Linseed Oil Varnish (#73100) will make the gelatin-/glue-/size-base smoother. The paint needs to be used warm, because the glue gels when left to cool. Leftover paint lasts in the refrigerator for a couple of days. Passo 3: Adding a little bit of Linseed Oil Varnish (#73100) will make the gelatin-/glue-/size-base smoother. The paint needs to be used warm, because the glue gels when left to cool. Leftover paint lasts in the refrigerator for a couple of days.
The calculated spreading rate is about 100 m2/ml. Passo 4: The calculated spreading rate is about 100 m2/ml.

Ingredienti

120 g Colla di pelle, orzi perlati (#63021)
1,5 kg Creta di Champagne (#58000)
1 l Acqua
Linolio, vernice (#73100)

Nota

Once soft size-base paint does not gel anymore, if it develops a foul odor or mold, it must not be used anymore!

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