Deutsch: Kasein / Español: Caseína / Português: Caseína / Français: Caséine / Italiano: Caseina /

Casein refers to a natural resin formed from dairy byproducts. Also called "milkstone" or "galalith". Briefly used for transparent or colored pen barrels and caps before the perfection of celluloid.


Casein is a protein derived from milk, commonly used in various industrial applications due to its unique properties. This natural polymer can be found in a variety of forms, including powder, flakes, and solutions. Known for its excellent binding and adhesion properties, casein is often used as a binder in the production of paints, adhesives, and coatings. It also serves as a base material for the manufacturing of plastics, textiles, and paper products. In addition, casein is utilized in the food industry as a thickener, stabilizer, and emulsifier in products such as cheese, yogurt, and processed meats.

Application Areas

  • Paints and coatings
  • Adhesives
  • Plastics
  • Textiles
  • Paper products
  • Food industry (thickener, stabilizer, emulsifier)

Treatment and Risks

  • Most people do not experience adverse reactions to casein, but individuals with a milk allergy should avoid products containing casein.
  • In case of accidental ingestion or contact with casein, seek medical attention immediately.


  • Casein-based paint binders
  • Casein adhesives for woodworking
  • Casein plastics used in manufacturing

Similar Concepts and Synonyms

  • Milk protein
  • Caseinates
  • Caseinate powder


Casein, a protein derived from milk, finds widespread use in the industrial sector for its adhesive, binding, and stabilizing properties. It is utilized in various applications, ranging from paints and coatings to food products. While generally safe for most individuals, those with milk allergies should exercise caution when encountering products containing casein.


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