smoked rubber

noun

1. a type of crude natural rubber in the form of brown sheets obtained by coagulating latex with an acid, rolling it into sheets, and drying over open wood fires. It is the main raw material for natural rubber products Also calledribbed and smoked sheet Compare crepe rubber

Example Sentences

As “spot” disease cannot develop in smoked rubber, the obvious and simple course to adopt was to smoke-cure the sheets.

From Project Gutenberg