I-STRING is act yokususa i-polymer coating ezungeze i-fiber ezungeze i-fiber ukulungiselela ukuhlukaniswa kwe-fusion, ngakho-ke stripper enhle yekhwalithi izokhipha ijakhethi ye-fiber, futhi ikwazi ukukusiza ukusheshisa inqubo yokulungiswa kwenethiwekhi ye-fiber futhi ugweme isikhathi sokuphumula senethiwekhi ngokweqile.