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

Qhov permeability ntawm cov dej pa yog ib qho tseem ceeb uas yuav tsum xav txog thaum soj ntsuam qhov ua tau zoo ntawm NBR/PVC roj hmab ua npuas ncauj rwb thaiv tsev. Cov yam ntxwv no hais txog lub peev xwm ntawm cov khoom siv los tso cai rau cov dej pa hla mus. Rau NBR/PVC roj hmab ua npuas ncauj rwb thaiv tsev, kev nkag siab txog nws qhov permeability ntawm cov dej pa yog qhov tseem ceeb rau kev txiav txim siab nws qhov tsim nyog rau ntau yam kev siv.

Qhov dej ntws permeability ntawm NBR/PVC roj hmab ua npuas ncauj rwb thaiv tsev yog qhov tseem ceeb xav txog hauv kev tsim kho thiab HVAC kev lag luam. Hom rwb thaiv tsev no feem ntau siv rau hauv cov ntawv thov uas qhov tseem ceeb tiv thaiv dej noo, xws li HVAC ductwork, tub yees, thiab cov chaw cia khoom txias. Kev nkag siab txog qhov dej ntws permeability ntawm cov khoom no yog qhov tseem ceeb kom ntseeg tau tias nws tuaj yeem tiv thaiv cov dej noo thiab tswj nws cov khoom rwb thaiv tsev dhau sijhawm.

Qhov permeability ntawm cov pa dej ntawm NBR / PVC roj hmab ua npuas ncauj rwb thaiv tsev feem ntau yog ntsuas hauv cov chav xws li perms lossis ng / (Pa · s · m²). Tus nqi permeability ntawm cov pa dej qis dua qhia tau hais tias cov khoom siv tiv taus kev hla ntawm cov pa dej, uas yog qhov xav tau hauv ntau daim ntawv thov rwb thaiv tsev. Cov cuab yeej feem ntau raug sim hauv qab cov xwm txheej tshwj xeeb, xws li qhov kub thiab txias thiab av noo, los muab cov ntaub ntawv tseeb rau kev sib piv.

Thaum soj ntsuam qhov dej ntws ntawm cov pa roj hmab NBR / PVC ua npuas ncauj rwb thaiv tsev, nws yog ib qho tseem ceeb uas yuav tsum xav txog cov kev cai tshwj xeeb ntawm daim ntawv thov uas tau npaj tseg. Piv txwv li, hauv cov chaw cia khoom txias, kev rwb thaiv tsev yuav tsum tiv thaiv kom tsis txhob muaj dej noo thiab noo noo kom tswj tau qhov zoo ntawm cov khoom khaws cia. Hauv cov kab ke HVAC, cov ntaub ntawv rwb thaiv tsev yuav tsum muaj peev xwm tiv taus qhov kub thiab txias sib txawv yam tsis cuam tshuam rau lawv cov kev ua haujlwm.

Hauv kev xaus, qhov dej pa permeability ntawm NBR / PVC roj hmab ua npuas ncauj rwb thaiv tsev yog qhov tseem ceeb hauv kev txiav txim siab nws qhov ua tau zoo hauv ntau yam kev siv. Los ntawm kev nkag siab txog tus yam ntxwv no thiab xaiv cov ntaub ntawv rwb thaiv tsev nrog cov yam ntxwv xa dej pa tsim nyog, cov neeg tsim kho, cov kws ua haujlwm thiab cov thawj coj ntawm qhov chaw tuaj yeem ua kom ntseeg tau tias lawv cov txheej txheem rwb thaiv tsev ua haujlwm tau ntev thiab ruaj khov. Thaum soj ntsuam qhov dej pa permeability ntawm NBR / PVC roj hmab ua npuas ncauj rwb thaiv tsev rau txhua daim ntawv thov, cov xwm txheej ib puag ncig tshwj xeeb thiab cov kev cai ua tau zoo yuav tsum tau xav txog.