Cov ntaub ntawv raw khoom yog ib qho khoom siv feem ntau siv hauv kev teeb tsa cov kav dej. Nws yog siv rau hauv cov pob qij txha ntawm cov yeeb nkab fittings los txhim kho qhov nruj ntawm cov pob qij txha ntawm cov kav dej. Nws yog ib qho tshiab thiab zoo tagnrho sealing khoom. Vim nws tsis muaj tshuaj lom, tsis muaj ntxhiab, zoo heev sealing, rwb thaiv tsev thiab corrosion kuj, nws yog dav siv nyob rau hauv kev kho dej, natural gas, tshuaj lom neeg kev lag luam, plastics, electronics engineering thiab lwm yam kev lag luam. Lub npe tshuaj ntawm cov ntaub ntawv raw khoom yog PTFE. PTFE daim kab xev dawb feem ntau yog siv rau hauv HVAC thiab cov khoom siv dej thiab tso dej. Kuj tseem muaj PTFE daim kab xev tshwj xeeb rau cov raj xa hluav taws xob. Qhov tseeb, cov khoom siv tseem ceeb yog PTFE. Tsuas yog qee qhov ntawm cov txheej txheem sib txawv. Cov ntaub ntawv raw khoom yog tsim los ntawm cov ntaub ntawv zoo thiab cov thev naus laus zis siab heev, nrog cov khoom zoo thiab ua tiav, uas tuaj yeem ua tau raws li cov neeg siv khoom sib txawv hauv kev lag luam sib txawv, thiab muaj cov rwb thaiv tsev zoo heev, muaj zog tshuaj lom neeg ruaj khov thiab kev ua haujlwm zoo sealing.
