Kukho umahluko omkhulu phakathi kwe-rubber yerabha kunye nerabha yendalo. Eyona nto iphambili kukuba ukuba irabha ye-butyl ineendlela ezingcono zokuzinza kunye nokungaxhathisi okuninzi kunerabha yendalo. Ine-elasticastity yerabha yendalo kwaye ayinanxalenye yeprotein, kodwa ingaba i-butyl. Uzinzo lwekhemikhali kunye nokuxhathisa ukwaluphala
