casein plastic


Definition of casein plastic

: any of certain tough hard hornlike substances obtained from powdered casein, usually rennet casein, with water as the usual plasticizer, hardened after molding by the action of formaldehyde or some other agent, and used chiefly in making buttons and buckles

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First Known Use of casein plastic

1925, in the meaning defined above

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The first known use of casein plastic was in 1925

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