Phaj sealing rau qhov sib sib zog nqus phaj phaj, microplate (xws li PCR phaj thiab ELISA phaj) yog tsim nyog thaum lub sij hawm ua qauv, qauv tshuaj tiv thaiv, thiab cov qauv cia. Silicone sealing lev rau phaj yog txoj kev ruaj ntseg thiab nyab xeeb tshaj plaws ntawm cov phaj sealing. Vim nws cov yam ntxwv inert thiab elastics zoo heev, silicone sealing yog to-pov thawj, tshuaj resistant, kub-resistant, thiab tsis muaj paug. Lub pre-slit nyob rau hauv qab ntawm extrude yog ib qho yooj yim rau lub ntsis thiab rab koob tho.
Sealing phaj nrog cov yeeb yaj kiab yog ib qho yooj yim, ceev, thiab kev lag luam. Muaj peb qhov loj sealing zaj duab xis muaj, piv txwv li, siab-rhiab, kub-rhiab, thiab nplaum zaj duab xis. Lub siab-rhiab thiab nplaum zaj duab xis tuaj yeem siv ncaj qha rau ntawm lub phaj, thaum thermal rhiab films yog siv nrog lub thermal phaj sealer.