Koj siv dab tsi rau koj lub qhov rooj thiab qhov rais?
Tso lus
Lub sealing sawb ntawm lub qhov rooj thiab qhov rais yuav tsum ua lub luag haujlwm tseem ceeb hauv kev ua kom tsis muaj dej, sealing thiab txuag hluav taws xob. Nws muaj kev ua haujlwm ntawm lub suab rwb thaiv tsev, plua plav pov thawj, tiv thaiv khov, thiab ua kom sov. Nws kuj muaj zog tensile zog, zoo elasticity, thiab xav tau kev kub thiab txias tsis kam. Tam sim no, kev lag luam ntawm sealing strips feem ntau suav nrog hloov PVC, vulcanized EPDM roj hmab sealing strips thiab thermoplastic EPDM / PP roj hmab strips.
Raws li kev txheeb cais, kuv lub teb chaws lub tsev siv hluav taws xob tau suav txog 27.5 feem pua ntawm kev siv hluav taws xob zaum kawg ntawm tag nrho cov zej zog. Lub zog poob los ntawm qhov khoob nyob ib puag ncig lub qhov rooj kaw thiab qhov rais feem ntau suav txog li 37-40 feem pua ntawm lub tsev siv hluav taws xob. Yog li ntawd, nws yog ib qho tseem ceeb heev los txhim kho kev sib khi ntawm lub sash thiab iav, tshwj xeeb tshaj yog nyob nruab nrab ntawm lub qhov rais thav duab thiab lub sash.
Hloov kho PVC roj hmab sawb: tus nqi kuj tsis tshua muaj, vim qhov sib txawv ntawm cov khoom tsis zoo vim yog siv cov khoom pov tseg, hloov cov plasticizers thiab siab filling npaum li cas, ua rau cov roj hmab tsis zoo elasticity, yooj yim rau tawv, pungent tsw, yooj yim. siv Migration ua rau cov khoom siv daj thiab muaj lub neej ua haujlwm luv. Txij li cov khoom siv PVC muaj halogens thiab cov hlau hnyav hauv stabilizers, nws tsis tsim nyog rau kev tiv thaiv ib puag ncig. Yog li ntawd, txawv teb chaws tsim lub teb chaws thiab domestic Beijing thiab ntug hiav txwv nroog tau tshem tawm los yog txwv tsis pub siv PVC strips.
Vulcanized EPDM roj hmab sealing sawb: Nws muaj zog dua PVC roj hmab sawb nyob rau hauv cov nqe lus ntawm sealing elasticity thiab durability, tab sis vim qhov xav tau rau microwave vulcanization kab teeb, kev siv zog ua haujlwm siab, feem ntau ntau dua 20 npaug ntawm PVC ua, thiab cov khoom siv tsis tuaj yeem rov qab siv dua. Nws tsis yog ib puag ncig tus phooj ywg thiab tsis yog cov khoom lag luam tawm suab los ntawm lub xeev. Yog li ntawd, cov lag luam hauv qhov rooj tsis siv.
Thermoplastic EPDM roj hmab sealing sawb Lub sealing sawb no yog cov khoom siv tshiab tsim los ntawm kev siv thev naus laus zis los ntawm txawv teb chaws thiab kev tshawb fawb thiab kev tsim kho hauv tsev hauv xyoo tas los no. Nws yog tsuas yog siv rau tsheb qhov rooj thiab qhov rais sealing strips, thiab tau siv nyob rau hauv lub tsev qhov rooj thiab qhov rais nyob rau hauv xyoo tas los. sealing sawb.