Irabha iyinto ye-polymer enwebeka kakhulu enokuguquguquka okuguqukayo.

Iyanwebeka ekushiseni kwangaphakathi futhi ingadala ukuguguleka okukhulu ngaphansi kwesenzo samandla amancane angaphandle.Ingabuyela esimweni sayo sokuqala ngemva kokususwa kwamandla angaphandle.

Kunezinhlobo eziningi zerabha ezihlanganisa i-EPDM, i-Neoprene Rubber, i-Viton, i-Natural Rubber, i-Nitrile Rubber, i-Butyl Rubber, i-Timprene, i-Synthetic Rubber, njll.