Casein Paints

Casein paints are coatings for walls and ceilings which contain pure natural milk protein (Casein) as a binding agent. Even since the times of ancient Egypt paints made of milk and pigments were produced and used. Similar paints have been mentioned in old Hebrew documents. Mural paintings in the Sistine Chapel (Secco technique) have been made durable using similar traditional paint.

Later on curd cheese has been used instead of milk, it contains three times more casein (about 12 %). Due to the usage of milk and curd cheese these colours always had to be applied when they were still fresh. They could only be kept a few hours to a few days. Modern casein paints are produced in powder form and contain dried casein. This extends the shelf life to a couple of years. Preservatives became unnecessary, thus reducing transport weight, packaging waste and keeping transportation costs to a minimum.

A recent trend is the usage of casein, based on vegetable protein binder. Vegetable casein derives from protein producing plants like peas, lupines, beans or other leguminous plants. Milk casein is obtained by treating fresh milk with acid or rennet flocculating the protein, so that it can be filtered, dried and pulverised. The protein actually keeps its food quality. Casein alone cannot be used as a binder, it lacks sufficient adhesive force. It will not change into an adhesive before alkalis have been added, which break the protein down. Suitable agents are potash, soda, bicarbonate (baking powder), salts of hartshorn, borax or lime hydrate.

In contrast to most other colour binders the appearance of pigments and filling materials are not altered by casein; hence pigments will shine in their unique typical brilliance. Ecologically, Casein paint is absolutely harmless throughout the whole product cycle (production, use and disposal). Paint residue can even be composted.

Milk Casein Based Products
Casein Primer
Casein Marble Paint
Brush- and Roll-on Plaster
Wall Glaze Binder
Casein Paint, DIY
Marble Fibre Render
Tempera Paint

Plant Casein Based Products
Vega Wall Paint
Clay Paint
Clay Paint -textured-
Full-tone Binder
Vega Primer

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Casein Marble Paint

Easy-to-process wall and ceiling paint for interior use with excellent opacity and natural white. Ideal for clay and lime renders, as their natural room climate regulating properties are not restricted. Especially suitable for allergy sufferers.
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Vega Wallpaint

Easy-to-process wall and ceiling paint for interior use. with vegetable casein (vegetable protein) as a binding agent. Italian marble flour gives an unobtrusive, harmonic bright hue of white, without titanium white. Vegan.
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Full-tone Binder

With KREIDEZEIT Full-tone Binder and KREIDEZEIT pigments you can easily mix full-tone wall paints according to your own wishes.
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Brush- and Roll-on Plaster

Easy-to-apply, texturable paint with a fine rendering character for interior use. Ideal base for wall Lazures. Compensates for slight structural differences in the subsoil.
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Casein Paint DIY

Casein paint for self-mixing is a wall and ceiling paint for interior use. It is produced by adding curd cheese itself.