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Qhov dej noo permeability ntawm NBR / PVC roj hmab ua npuas ncauj rwb thaiv tsev yog dab tsi?
Kev nkag mus rau cov dej noo yog ib qho tseem ceeb uas yuav tsum xav txog thaum xaiv cov ntaub ntawv rwb thaiv tsev rau ntau yam kev siv. Rau NBR / PVC roj hmab ua npuas ncauj rwb thaiv tsev, kev nkag siab txog nws cov dej noo permeability yog qhov tseem ceeb rau kev txiav txim siab nws qhov ua tau zoo hauv ntau qhov chaw sib txawv. NBR / PVC roj hmab ua npuas ncauj ...Nyeem ntxiv -
Tus nqi ntawm cov dej ntws ntawm cov ntaub ntawv rwb thaiv tsev yog dab tsi?
Tus nqi dej ntws (WVTR) ntawm cov khoom rwb thaiv tsev yog ib qho tseem ceeb uas yuav tsum xav txog thaum tsim thiab tsim cov tsev. WVTR yog tus nqi uas cov dej ntws hla cov khoom siv xws li cov khoom rwb thaiv tsev, thiab feem ntau ntsuas hauv grams/square meter/hnub. Nkag siab txog WVTR ntawm cov khoom rwb thaiv tsev...Nyeem ntxiv -
Qhov dej vapor permeability (WVP) ntawm cov khoom siv rwb thaiv tsev yog dab tsi?
Yog tias koj nyob hauv kev lag luam kev tsim kho lossis npaj yuav rwb thaiv tsev, tej zaum koj yuav tau ntsib lo lus dej vapor permeability (WVP). Tab sis WVP yog dab tsi tiag? Vim li cas nws thiaj tseem ceeb thaum xaiv cov ntaub ntawv rwb thaiv tsev? Dej vapor permeability (WVP) yog qhov ntsuas ntawm cov khoom siv lub peev xwm rau...Nyeem ntxiv -
Cov kav dej roj hmab NBR/PVC thiab cov yas ua npuas dej puas tiv thaiv dej tau?
Thaum xaiv cov khoom siv rwb thaiv tsev rau cov kav dej kom zoo, ib qho tseem ceeb uas yuav tsum xav txog yog seb cov khoom siv puas tiv thaiv dej tau. Dej tuaj yeem ua rau cov kav dej thiab cov qauv ib puag ncig puas tsuaj loj heev, yog li nws tseem ceeb heev kom paub tseeb tias koj cov rwb thaiv tsev zoo rau kev tiv thaiv dej xau. Ua npuas roj hmab NBR/PVC...Nyeem ntxiv -
Cov pa luam yeeb ceev ntawm cov khoom siv rwb thaiv tsev yog dab tsi?
Cov pa luam yeeb ceev yog ib qho tseem ceeb uas yuav tsum xav txog thaum soj ntsuam kev nyab xeeb thiab kev ua tau zoo ntawm cov ntaub ntawv rwb thaiv tsev. Cov pa luam yeeb ceev ntawm cov khoom siv yog hais txog qhov ntau ntawm cov pa luam yeeb tsim tawm thaum cov khoom siv raug hluav taws. Qhov no yog ib qho tseem ceeb uas yuav tsum soj ntsuam vim tias cov pa luam yeeb thaum lub sijhawm...Nyeem ntxiv -
Cov pa oxygen index ntawm cov ntaub ntawv insulating yog dab tsi?
Kev rwb thaiv tsev kub ua lub luag haujlwm tseem ceeb hauv kev txuag hluav taws xob thiab tswj kom muaj ib puag ncig zoo hauv tsev. Thaum xaiv cov khoom siv rwb thaiv tsev zoo, ib qho tseem ceeb uas yuav tsum xav txog yog nws cov pa oxygen. Cov pa oxygen ntawm cov khoom siv rwb thaiv tsev yog qhov ntsuas ntawm cov khoom siv hluav taws kub thiab ...Nyeem ntxiv -
Lub thermal conductivity ntawm insulation yog dab tsi?
Kev ua kom sov, tseem hu ua kev ua kom sov, yog ib qho tseem ceeb uas txiav txim siab qhov cuam tshuam ntawm kev rwb thaiv tsev ntawm cov tsev. Nws ntsuas lub peev xwm ntawm cov khoom siv los ua kom sov thiab yog qhov tseem ceeb uas yuav tsum xav txog thaum xaiv cov khoom siv rau kev rwb thaiv tsev. Nkag siab txog kev ua kom sov...Nyeem ntxiv -
Tus nqi R ntawm cov rwb thaiv tsev yog dab tsi?
Yog tias koj tab tom yuav khoom siv rwb thaiv tsev, tej zaum koj twb tau ntsib lo lus "R-value." Tab sis nws yog dab tsi tiag? Vim li cas nws thiaj tseem ceeb thaum xaiv cov khoom rwb thaiv tsev zoo rau koj lub tsev? Tus nqi R-value ntawm cov khoom rwb thaiv tsev yog qhov ntsuas ntawm nws qhov kev tiv taus cua sov. Hais yooj yim, nws qhia txog ho...Nyeem ntxiv
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