I-NBR (i-nitrile -butadiene irabha) kunye ne-PVC (i-Poly Vinyl Chloride) iyona nto ixutywayo kwishishini leplastiki yerabha ye-foam.Umxube we-NBR/PVC unazo zombini iimpawu ze-PVC zokuxhathisa i-ozone kunye ne-NBR ye-oyile yokumelana ne-oyile ngaphandle kokusebenza kwayo kwe-crosslinking, kunye nokumelana nomlilo kancinane.Ikwasebenza kunye nepropathi efanelekileyo yomzimba.Ngenxa yomthombo kunye nexabiso eliphantsi lePVC njengento ekrwada, amagwebu anjalo adityanisiweyo asetyenziswa kakhulu kwiindawo ezininzi.