Duab ntxoov kub: Sauj nuj tso nyiaj & tshuaj kub tsawg dua

Duab ntawm qhov chaw tso siab tuaj yeem muaj feem ntau rau cov khoom siv los ua haujlwm sab nraud ntawm cov cuab yeej kheej kom txo qhov kub thiab tiv thaiv kev loss ntawm qhov kub los ntawm cov duab. Cov khoom no feem ntau muaj qhov chaw sib txig sib tog uas muaj qhov chaw nruab nrab ntawm cov duab nrog foam lossis fiberglass batting uas tau sib xyaw nrog cov duab aluminum ntsuab (feem ntau yog 99.4% ntsuab) uas muab tso rau sab ntawm qhov chaw kub. Qhov kev ua haujlwm tseem ceeb yog siv qhov duab muaj qhov kub tsim nyog (feem ntau yog 0.03-0.05) kom rov qab qhov kub uas yuav raug qhov duab nkhaus. Qhov rov qab no rov qab qhov kub mus rau hauv tsev, suav nrog qhov kub txaus siab los ntawm cov duab thaum twv qhov kub. Qhov ntev feem ntau yog 3mm mus rau 10mm, thim nrog qhov kub thiab tiv thaiv qhov kub los ntawm qhov duab ntxiag. Qhov chaw tso siab muaj qhov kub tiv thaiv, thaum qhov duab yog ib qhov tiv thaiv qhov kub los ntawm qhov duab ntxiag. Kev siv khoom yog tshwm sim ib qhov tshwm sim sab saud ntawm qhov duab thiab qhov kub, feem ntau yog tshwm sim los ntawm kev tso rau sab nraud ntawm qhov duab thiab tsis yog tshwm sim nrog qhov kub. Qhov kev pab pawg feem ntau yog 5-20% ntau dua qhov kub los ntawm qhov duab, txhawj xeeb rau qhov duab tshiab thiab qhov kub. Ntawm qhov kub, cov khoom no tiv thaiv qhov duab los ntawm qhov kub thiab tiv thaiv qhov duab los ntawm qhov kub los ntawm qhov kub. Cov khoom tshiab muaj qhov kub tiv thaiv thiab muaj qhov kub tiv thaiv (UL94, Class 1 spread of flame) thiab muaj qhov kub tiv thaiv kom zoo dua rau hauv tsev. Cov khoom tshiab muaj qhov kub tiv thaiv, muaj qhov kub tiv thaiv, thiab muaj qhov kub tiv thaiv rau cov cuab yeej kub. Qhov kub tiv thaiv feem ntau yog ib lossis ob xyoos, yog li no yog ib qhov kev tiv thaiv kub tseem ceeb rau cov tsev neeg thiab cov tsev kub.