Fina-finan robar siliki da aka yi daga robar siliki mai zafi mai zafi - suna da ingantacciyar iska, wanda ya kai sau da yawa ko ma ɗaruruwan fina-finan polymer na gama gari (kamar polyethylene, polyvinyl chloride, polytetrafluoroethylene, da sauransu). A lokaci guda kuma, fina-finai na roba na silicone suma suna da kyakkyawan zaɓin iska mai ƙarfi, alal misali, ƙimar watsawar CO shine sau 6 zuwa 7.
Daga wannan, daban-daban bayani dalla-dalla na silicone roba film gas regulating Windows za a iya yi, wanda ake amfani da adana bags ko ajiya dakunan kayan lambu, 'ya'yan itãcen marmari da abinci, kazalika da Manufacturing gauraye gas rabuwa na'urorin, da dai sauransu Silicone roba kuma shafi a cikin masana'antu na sealing sassa da gaskets ga ziyartar utensils kamar roba rollers ga bugu da copiers da gaskets ga matsa lamba.