Jelly
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Dej Blocking cable filling Jelly
Cable jelly yog ib qho tshuaj ruaj khov sib xyaw ntawm cov khoom, semi-solid thiab kua hydrocarbon. Lub cable jelly yog dawb los ntawm impurities, muaj ib tug nruab nrab tsis hnov tsw thiab tsis muaj noo noo.
Nyob rau hauv cov chav kawm ntawm cov yas xov tooj sib txuas lus cables, cov neeg tuaj mus paub hais tias vim yas muaj ib tug tej yam ya raws permeability, ua rau cov cable muaj teeb meem nyob rau hauv cov nqe lus ntawm dej, feem ntau ua rau cable core yog dej intrusion, cuam tshuam ntawm kev sib txuas lus, tsis yooj yim sua. ntau lawm thiab lub neej.
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Optical fiber filling jelly
Kev lag luam fiber ntau kho qhov muag tsim cov fiber ntau optical cables los ntawm encasing cov optical fibers nyob rau hauv ib tug polymeric sheathing. Ib lub jelly yog muab tso rau ntawm lub polymeric sheathing thiab optical fiber. Lub hom phiaj ntawm cov jelly no yog muab cov dej tsis kam thiab ua kom tsis txhob muaj kev ntxhov siab thiab strains.Cov ntaub ntawv sheathing yog polymeric nyob rau hauv cov xwm txheej nrog polypropylene (PP) thiab polybutylterepthalate (PBT) yog cov khoom siv feem ntau siv sheathing. Lub jelly feem ntau yog cov roj uas tsis yog-Newtonian.