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Ebonite is a hard and brittle material, very resistant to corrosion by acids, and softens when heated. It is an excellent electrical insulator. It is easy to process and has been used both for the construction of objects and as an electrical insulator (use that still holds today). It owes its name<ref>the "ebonite" one, still beeing much more commonly called "hard rubber" as "ebonite" was a trade name.</ref> because it was initially used as a substitute for ebony. Its chemical resistance characteristics have seen it used for many years as an insulator, coating for corrosion-prone parts and as a battery case for cars.

Ebonite is a hard and brittle material, very resistant to corrosion by acids, and softens when heated. It is an excellent electrical insulator. It is easy to process and has been used both for the construction of objects and as an electrical insulator (use that still holds today). It owes its name<ref>the ''ebonite'' one, still beeing much more commonly called ''hard rubber'' as ''ebonite'' was a trade name.</ref> because it was initially used as a substitute for ebony. Its chemical resistance characteristics have seen it used for many years as an insulator, coating for corrosion-prone parts and as a battery case for cars.