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FDA pom zoo Cov Khoom Siv Gasket
FDA gasket cov khoom siv rau cov ntawv thov cov zaub mov yog raug rau cov kev sim nruj. Lawv tsis yog mob toxic, tsis muaj cim, tsis muaj kev tsis haum tshuaj, thiab muaj kev ntseeg siab dhau ntawm ntau hom kev ntsuas kub. Cov tebchaw no kuj tseem muaj mov, tsis hnov tsw, thiab tiv taus kev loj hlob ntawm cov kab mob. Tsis yog txhua yam zaub mov-qib roj hmab yog FDA pom zoo, txawm li cas los xij, yog li nws yog qhov tseem ceeb kom xaiv cov khoom siv roj av nrog cov tsheb
Zaub Mov Qib, FDA Qib, FDA Ua Raws, lossis FDA pom zoo
Hauv Tebchaws Meskas, cov roj gaskets uas tau chwv nrog cov zaub mov yuav tsum yog ua los ntawm cov tshuaj pleev ib ce rau ntawmFDA Daim Ntawv Teev Dawb, txoj kev luv luv ntawm kev hais txog Code of Federal Regulations (CFR), Title 21, Tshooj 1, Ntu 177. Cov dej caw tau muab faib ua cov uas tau siv raws li cov khoom siv yooj yim, thiab cov uas tsuas yog siv ua khoom siv. Lub txim hluav taws xob no zoo li tsis meej pem, tab sis cov ntsiab lus zoo li qib zaub mov, qib FDA, FDA raws, thiab FDA pom zoo. Muaj lwm cov lus siv los xav txog, ib yam nkaus.
Cov ntaub ntawv xws li elastomers, uas yog ib zaug paub hu ua cov khoom noj tsis ncaj, tam sim no hu uacov khoom hu rau zaub mov (FCS)Cov. Yog tias ib qho FCS muaj ntau lub tshuaj ntxiv (raws li cov khoom sib txuas ua ke), tom qab ntawd txhua tus ntxiv yuav tsum tau txais kev pom zoo thiaj li pom zoo qhov sib txuas. Muaj ntau lub chaw muag khoom muaj cov khoom sib txuas uas tsuas yog FDA White List cov khoom xyaw, tab sis cov khoom sau ib leeg tsis ua rau cov khoom siv gasket FDA pom zoo. Cov khoom yuav tsum dhau kev tshuaj ntsuam rau cov kev txwv tso cai txwv.
Tau txais kev pom zoo FDA nce tus nqi xa khoom siv thiab ntxiv, nce tus nqi roj hmab tus nqi. Yog tias koj qhov project yuav tsum tau pom zoo los ntawm FDA roj hmab tom qab ntawd, cov khoom noj khoom haus tsis tshua kim dua cov khoom sib xyaw lossis FDA ua raws elastomer yuav yog qhov kev xaiv zoo dua. Feem ntau, cov ntaub ntawv no hu ua FDA qib roj hmab. Tsis muaj teeb meem dab tsi uas lawv hu, cov ntaub ntawv no yog FDA ua raws li FDA pom zoo - ib qho tseem ceeb sib txawv hauv cov kev xaiv sib txuas.
FDA Gasket Cov Khoom Siv rau Daim Ntawv Thov Sib Txuas Khoom Noj
Muaj plaub yam roj hmab uas feem ntau siv rau hauv cov ntawv thov hu rau zaub mov.
EPDM gaskets tiv taus kub ntawm -40 ° txog 200 ° Lawv muaj qhov ua tiav du thiab siv rau hauv chav ua noj ua haus, chaw ua zaub mov noj, thiab khw muag khoom noj.
Neoprene gaskets pleev cov roj lossis cov zaub mov muaj roj. Lawv muaj qhov kub thiab txias ntawm -30 ° F txog 220 ° F. Zoo li lwm yam khoom siv FDA gasket, neoprene muaj nyob hauv cov xim dawb rau lub ntsej muag huv.
Nitrile gaskets muaj qhov kub thiab txias uas zoo ib yam li neoprene. Buna-N, raws li cov roj hmab no tseem paub, tiv thaiv kev laus ua kom sov thiab muab cov leeg tiv thaiv tau zoo.
Silicone gaskets koom ua ke thermal stability thiab tsis kam mus rau siab kub nrog tsis muaj tshuaj lom thiab tsis tshua muaj tshuaj lom. Cov ntawv thov suav nrog lub qhov cub ntim cov cua kub thiab txias mats.
FDA gasket cov ntaub ntawv kuj suav nrog Viton®, PTFE, thiab lwm yam ntaub ntawv. Cov neeg tsim khoom thiab cov neeg yuav khoom yuav tsum xaiv cov sib xyaws uas ua tau raws li txhua yam ntawm lawv cov ntawv thov, tab sis zam kev "dhau engineering" lub gasket thiab ntxiv cov kev siv nyiaj uas tsis tsim nyog.
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