Often known as "Bakelite," catalin is a brand namefor athermosetting polymerdeveloped and trademarked in 1927 by the American Catalin Corporation of New York City, when the patent onBakeliteexpired that year.Aphenol formaldehyde resin, it can be worked with files, grinders, and cutters, and polished to a fine sheen.
Catalin is produced by a two-stage process, different than other types of phenolic resins, and does not contain fillers, such assawdustorcarbon black. Catalin is transparent, near colorless, rather than opaque. Unlike other phenolics, it can be produced in bright colors or evenmarbled. This fact has made Catalin more popular than other types of Bakelite for consumer products.
These unique bird napkin rings are complete with pointy beaks, which are a rare find! They are in near-mint condition.