transitive. Textiles. To impregnate (canvas or any similar fabric) with rubber, using a calender; to force or squeeze (rubber) into the interstices…

transitive. To make reusable, to recycle; spec. to recycle (rubber) by removing impurities and restoring plasticity. Also intransitive.

transitive. To cure (plastic or rubber) for less than the optimal period.

transitive. To change (rubber or a thermoplastic) into a homogeneous mouldable mass by processing in an extruder, usually with simultaneous heating.

transitive. To cause (latex) to cream; to bring about creaming in.

transitive. To mix in a masterbatch.