Dab tsi yog qhov zoo thiab kev siv ntawm sealing nplhaib ua los ntawm cov khoom siv roj hmab sib txawv?
Aug 10, 2023
Muaj ntau ntau yam khoom siv rau roj hmab sealing rings, xws li roj hmab nitrile, hydrogenated nitrile roj hmab, silicone roj hmab, fluorosilicone roj hmab, EPDM roj hmab, neoprene, thiab lwm yam. Dab tsi yog qhov zoo thiab kev siv ntawm sealing rings ua los ntawm cov khoom siv roj hmab sib txawv?
NBR NBR sealing nplhaib
Haum rau roj av hydraulic roj, glycol hydraulic roj, roj diester lubricating roj, roj av, dej, silicone roj, silicone roj thiab lwm yam xov xwm. Nws yog tam sim no siv ntau tshaj plaws thiab tus nqi qis tshaj roj hmab foob. Tsis haum rau polar solvents xws li ketones, ozone, nitro hydrocarbons, MEK thiab chloroform. Kev khiav hauj lwm qhov kub thiab txias yog -40 ~ 120 degree .
HNBR hydrogenated nitrile roj hmab sealing nplhaib
Nws muaj kev tiv thaiv corrosion zoo heev, tsim kua muag tsis kam thiab compression deformation tsis kam, thiab zoo ozone kuj, tshav ntuj tiv thaiv thiab huab cua tsis kam. Zoo hnav tsis kam tshaj nitrile roj hmab. Nws yog tsim rau lub tshuab ntxhua khaub ncaws, lub cav tsheb cav thiab cov tub yees siv cov tub yees tshiab R134a. Tsis pom zoo siv rau hauv cawv, esters lossis tshuaj tsw qab. Kev khiav hauj lwm qhov kub thiab txias yog -40 ~ 150 degree .
SIL silicone roj hmab sealing nplhaib
Nws muaj cov cua kub zoo heev, tiv thaiv txias, tiv thaiv ozone thiab atmospheric aging kuj. Nws muaj cov khoom zoo insulating. Tab sis lub zog tensile yog phem dua li cov roj hmab zoo tib yam thiab tsis muaj roj resistant. Haum rau cov khoom siv hauv tsev xws li hluav taws xob rhaub dej, hluav taws xob hlau, microwave ncu, thiab lwm yam. Nws kuj tsim nyog rau ntau yam khoom uas tuaj yeem cuam tshuam rau tib neeg lub cev, xws li cov kav dej, lub tshuab tso dej, thiab lwm yam. Tsis pom zoo siv rau hauv feem ntau cov concentrated. kuab tshuaj, roj, concentrated acids thiab sodium hydroxide. Kev khiav hauj lwm qhov kub thiab txias yog -55 ~ 250 degree .
FLS fluorosilicone roj hmab sealing nplhaib
Nws qhov kev ua tau zoo muaj qhov zoo ntawm ob qho tib si fluorine roj hmab thiab silicone roj hmab, thiab nws muaj cov roj ua haujlwm zoo, hnyav tsis kam, roj tsis kam thiab siab thiab kub tsis kam. Nws tuaj yeem tiv thaiv corrosion ntawm oxygen-muaj cov khoom sib txuas, cov kuab tshuaj muaj ntxhiab hydrocarbons thiab cov kuab tshuaj uas muaj chlorine. Feem ntau siv nyob rau hauv aviation, aerospace thiab tub rog lub hom phiaj. Tsis pom zoo kom raug rau ketones thiab cov kua dej nres. Kev khiav hauj lwm qhov kub thiab txias yog -50 ~ 200 degree .
EPDM peb yuan ethylene propylene roj hmab sealing nplhaib
Nws muaj huab cua tsis zoo, ozone tsis kam, dej tsis kam thiab tshuaj lom neeg ua haujlwm. Nws tuaj yeem siv rau cov dej cawv thiab ketones, thiab tseem tuaj yeem siv rau kev sib khi hauv cov dej kub kub ib puag ncig. Muaj feem xyuam rau cov khoom siv hauv chav dej, tsheb radiator thiab tsheb nres system. Tsis pom zoo rau kev siv zaub mov lossis raug cov roj ntxhia. Kev khiav hauj lwm qhov kub thiab txias yog -55 ~ 150 degree .
CR neoprene foob nplhaib
Kev tiv thaiv tshav ntuj thiab huab cua tiv thaiv yog qhov zoo tshwj xeeb. Nws tsis ntshai ntawm cov tub yees xws li dichlorodifluoromethane thiab ammonia, thiab yog resistant rau dilute acids thiab silicone roj-raws li lubricating roj, tab sis nws muaj ib tug loj expansion nyob rau hauv cov ntxhia roj nrog tsawg aniline ntsiab lus. Nws yog ib qho yooj yim rau crystallize thiab harden ntawm tsawg kub. Nws yog qhov tsim nyog rau ntau qhov chaw raug huab cua, tshav ntuj, thiab ozone, thiab ntau yam nplaim taws-resistant thiab tshuaj-resistant sealing txuas. Tsis pom zoo siv nrog cov kua qaub muaj zog, nitro hydrocarbons, esters, chloroform thiab ketones. Kev khiav hauj lwm qhov kub thiab txias yog -55 ~ 120 degree .
IIR butyl roj hmab sealing nplhaib
Tshwj xeeb tshaj yog zoo huab cua nruj, zoo tshav kub tsis kam, tshav ntuj tiv thaiv, ozone kuj, thiab zoo rwb thaiv tsev kev ua tau zoo; nws muaj kev tiv thaiv zoo rau cov kuab tshuaj polar xws li cawv, ketones, esters, thiab lwm yam, thiab tuaj yeem raug rau tsiaj thiab zaub roj lossis oxidizable tshuaj. Haum rau cov tshuaj tiv thaiv lossis cov khoom siv nqus tsev. Tsis pom zoo rau kev siv ib txhij nrog cov ntsuj plig dawb, kerosene lossis aromatics. Kev khiav hauj lwm qhov kub thiab txias yog -50 ~ 110 degree .
ACM Acrylic Rubber Seals
Nws muaj kev ua haujlwm zoo rau cov khoom siv roj, kub tsis kam thiab huab cua tsis kam, tab sis nws lub zog txhua yam, compression deformation tus nqi thiab dej tsis kam yog me ntsis tsis zoo. Feem ntau siv nyob rau hauv tsheb kis tau tus mob thiab lub hwj chim steering system. Tsis haum rau cov dej kub, dej nres, phosphate esters. Kev khiav hauj lwm qhov kub thiab txias yog -25 ~ 170 degree .
NR natural roj hmab foob nplhaib
Nws muaj zoo hnav tsis kam, elasticity, tawg lub zog thiab elongation. Txawm li cas los xij, nws yooj yim rau hnub nyoog hauv huab cua, ua nplaum thaum cua sov, yooj yim nthuav thiab yaj hauv cov roj ntxhia lossis roj av, thiab tiv taus alkali tab sis tsis muaj zog acid. Nws yog qhov tsim nyog rau kev siv hauv cov kua dej nrog hydroxide ions xws li tsheb nres cov kua dej thiab ethanol. Kev khiav hauj lwm qhov kub thiab txias yog -20 ~ 100 degree .
PU polyurethane roj hmab sealing nplhaib
Cov khoom siv kho tshuab ntawm polyurethane roj hmab yog qhov zoo heev, thiab nws cov kev hnav tsis kam thiab kev kub siab ua haujlwm tau zoo dua li lwm cov roj hmab. Kev laus tsis kam, ozone kuj thiab roj kuj tseem zoo heev, tab sis nws yooj yim rau hydrolyze ntawm qhov kub thiab txias. Feem ntau siv rau kev kub siab thiab hnav resistant sealing txuas, xws li hydraulic kheej kheej. Kev khiav hauj lwm qhov kub thiab txias yog -45 ~ 90 degree .
Tom ntej: FFKM perfluoroelastomer
Cov tshuaj tiv thaiv corrosion zoo heev, tiv taus cov tshuaj feem ntau xws li acids, alkalis, ketones, esters, ethers, thiab muaj zog oxidants. Qhov kub siab tshaj plaws tuaj yeem ncav cuag 320 degree. Nws feem ntau yog siv los daws qhov teeb meem kev sib khi mus tas li, thiab tus nqi yog ze li ib puas npaug ntawm cov khoom siv roj hmab zoo tib yam, uas yog kim heev.