Lub nplhaib polyurethane sealing yog tus cwj pwm los ntawm kev hnav tsis kam, roj, kua qaub thiab alkali, ozone, laus, kub qis, rhuav, cuam tshuam, thiab lwm yam. Lub nplhaib polyurethane sealing muaj peev xwm txhawb nqa ntau thiab siv dav hauv ntau qhov chaw. Tsis tas li ntawd, lub nplhaib cam khwb cia sealing yog roj, hydrolysis tsis kam, hnav tsis kam, thiab muaj lub zog siab, uas yog qhov tsim nyog rau cov khoom siv roj siab, cov khoom siv nqa, cov cuab yeej tshuab forging, cov khoom siv hydraulic loj, thiab lwm yam.
Lub nplhaib foob polyurethane: polyurethane muaj cov khoom siv kho tshuab zoo heev, thiab nws txoj kev tiv thaiv kev hnav thiab kev tiv thaiv siab siab zoo dua li lwm cov roj hmab. Kev tiv thaiv kev laus, kev tiv thaiv ozone thiab kev tiv thaiv roj kuj zoo heev, tab sis nws yooj yim rau hydrolyze ntawm qhov kub siab. Nws feem ntau yog siv rau kev sib txuas sealing uas tiv taus siab thiab hnav-resistant, xws li cov thooj voos kheej kheej hydraulic. Feem ntau, qhov kub thiab txias yog - 45 ~ 90 ℃.
Ntxiv rau qhov ua tau raws li cov kev cai dav dav rau cov ntaub ntawv foob, polyurethane sealing rings kuj yuav tsum tau them sai sai rau cov xwm txheej hauv qab no:
(1) Muaj zog thiab ruaj khov;
(2) Lub zog kho tshuab tsim nyog, suav nrog lub zog nthuav dav, elongation thiab tearing tsis kam.
(3) Kev ua haujlwm ruaj khov, nyuaj rau o hauv nruab nrab, thiab me me thermal shrinkage effect (Joule effect).
(4) Nws yooj yim rau kev ua thiab kho kom zoo nkauj, thiab tuaj yeem tswj tau qhov loj me.
(5) Nws tsis corrode qhov chaw sib cuag thiab ua rau cov khoom nruab nrab qias neeg.
Ningbo Yokey Automotive Parts Co., Ltd tsom mus rau kev daws cov teeb meem roj hmab ntawm cov neeg siv khoom thiab tsim cov qauv sib txawv raws li cov xwm txheej sib txawv.
Lub sijhawm tshaj tawm: Lub Kaum Hli-10-2022