0.22 Um 25 mm pvdf 0.22 um 25 mm (polyvinyline folorige) sifeeyaha sigaarka waa nooc ka mid ah feedho-ga oo adeegsanaya xuubka biyaha ku jira ee laga sameeyay sheyga PVDF. PVDF waa polymer-ka isku-dhafan ee loo yaqaan 'polymer' oo caan ku ah iska caabbinta kiimikada ee heer sare ah, xasilloonida kuleylka sare, oo ka dhigaya mid ku habboon codsiyada kala duwan ee faylalka ee loo adeegsado kor u qaadida xidhiidhkan iyo xalka kale ee aqueous.
