Dab tsi yog dej vapor permeability ntawm NBR / PVC roj hmab ua npuas ncauj rwb thaiv tsev?

Dej vapor permeability yog qhov tseem ceeb uas yuav tsum tau xav txog thaum ntsuas qhov ua tau zoo ntawm NBR / PVC roj hmab ua npuas ncauj rwb thaiv tsev.Cov cuab yeej no hais txog cov khoom muaj peev xwm tso cai rau cov dej vapor hla dhau.Rau NBR / PVC ua npuas ncauj rwb thaiv tsev, kev nkag siab txog nws cov dej vapor permeability yog qhov tseem ceeb rau kev txiav txim siab nws tsim nyog rau ntau yam kev siv.

Cov dej vapor permeability ntawm NBR / PVC roj hmab ua npuas ncauj rwb thaiv tsev yog qhov tseem ceeb hauv kev tsim kho thiab HVAC kev lag luam.Hom rwb thaiv tsev no feem ntau siv rau hauv cov ntawv thov uas tsis muaj dej noo tseem ceeb, xws li HVAC ductwork, tub yees tshuab, thiab cov chaw cia txias.Kev nkag siab txog cov dej vapor permeability ntawm cov khoom siv no yog qhov tseem ceeb los xyuas kom meej tias nws tuaj yeem tiv thaiv kom tsis txhob ya raws thiab tswj nws cov khoom tiv thaiv lub sijhawm.

Cov dej vapor permeability ntawm NBR/PVC roj hmab ua npuas ncauj rwb thaiv tsev feem ntau yog ntsuas nyob rau hauv units xws li perms los yog ng / (Pa·s·m²).Tus nqi qis dua dej vapor permeability qhia tau hais tias cov khoom siv tiv taus ntau dua rau cov dej vapor, uas yog qhov xav tau hauv ntau daim ntawv thov rwb thaiv tsev.Cov cuab yeej feem ntau raug sim nyob rau hauv tej yam kev mob, xws li kub thiab av noo theem, muab cov ntaub ntawv raug rau kev sib piv.

Thaum ntsuas cov dej vapor permeability ntawm NBR / PVC roj hmab ua npuas ncauj rwb thaiv tsev, nws yog ib qho tseem ceeb uas yuav tau xav txog cov kev cai tshwj xeeb ntawm daim ntawv thov.Piv txwv li, nyob rau hauv cov chaw cia txias, rwb thaiv tsev yuav tsum zoo tiv thaiv condensation thiab noo noo tsim-up kom muaj kev ncaj ncees ntawm cov khoom khaws cia.Hauv HVAC systems, cov ntaub ntawv rwb thaiv tsev yuav tsum muaj peev xwm tiv taus qhov kub thiab av noo sib txawv yam tsis muaj kev cuam tshuam rau lawv qhov kev ua tau zoo.

Hauv cov ntsiab lus, cov dej vapor permeability ntawm NBR / PVC roj hmab ua npuas ncauj rwb thaiv tsev yog qhov tseem ceeb hauv kev txiav txim siab nws cov txiaj ntsig hauv ntau daim ntawv thov.Los ntawm kev nkag siab txog tus yam ntxwv no thiab xaiv cov ntaub ntawv rwb thaiv tsev nrog cov yam ntxwv ntawm cov dej vapor kis tau zoo, cov neeg tsim khoom, engineers thiab cov neeg saib xyuas cov chaw tuaj yeem ua kom muaj kev ua haujlwm ntev thiab ua haujlwm ntev ntawm lawv cov rwb thaiv tsev.Thaum ntsuas cov dej vapor permeability ntawm NBR / PVC roj hmab ua npuas ncauj rwb thaiv tsev rau txhua daim ntawv thov, ib puag ncig tshwj xeeb thiab kev ua haujlwm yuav tsum raug txiav txim siab.