Casein bristle

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A synthetic paint brush bristle made by extruding an acid solution of Casein. The fiber is then stretched and dipped in Formaldehyde for hardening. Casein bristle brushes have good paint-carrying capacity and good wear resistance (Brady 1971).


  • Burns slowly and brightly in air but extinguishes with removal of flame source.

Physical and Chemical Properties

Burns with odor of burnt hair.

Resources and Citations

G.S.Brady, Materials Handbook, 10th edition, McGraw-Hill, New York, 1971.

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