Polypropylene Screw Cap ine Septa - Polypropylene screw cap ine chaiyo-yakakodzera septa inopa evaporation-proof chisimbiso. Bi-layer inosanganisira silicone uye PTFE. Silicone septa yemajekiseni akawanda. PTFE-lined screw cap ye organic samples. Screw caps inopa inert, isina mhepo chisimbiso uye yakananga kubaya-kusvika kune sampuli nejekiseni tsono.
