Celluloid
CHEMICAL COMPOUND
Parkesine; Pyralin; Cellulloid; Ivoroid; French ivory; Xylonite (plastic)
Celluloids are a class of materials produced by mixing nitrocellulose and camphor, often with added dyes and other agents. Once much more common for its use as photographic film before the advent of safer methods, celluloid's common contemporary uses are table tennis balls, musical instruments, combs, office equipment, and guitar picks.