Water Blocking na USB cika Jelly
Takaitaccen Bayani:
Cable jelly shine cakudaccen tsayayyen sinadarai na m, Semi-m da ruwa hydrocarbon.Jelly na USB ba shi da ƙazanta, yana da ƙamshi mai tsaka tsaki kuma bai ƙunshi danshi ba.
A cikin tsarin igiyoyin sadarwar wayar filastik, mutane sun fahimci cewa saboda filastik yana da wani ɗanɗano mai ɗanɗano, wanda ke haifar da kebul ɗin ana samun matsaloli ta fuskar ruwa, galibin abin da ke haifar da kebul ɗin shine kutsawar ruwa, tasirin sadarwa, rashin jin daɗi. samarwa da rayuwa.
Bugu da ƙari, ramukan filaye da ɓawon filastik na gida na iya haifar da danshi daga shigar da kebul na tsakiya, halayen lantarki na USB sun lalace.Ya ci gaba da gano cewa lalacewar jaket na USB ba lallai ba ne wurin da halayen watsawa suka lalace, wanda ke ba da kulawar kebul da kuma magance matsala mai yawa, don haka a cikin tsarin masana'anta na kebul, yawanci hanyoyi guda uku don tabbatar da danshi da ruwa. kebul ɗin da aka kumbura ko cike da jelly na man fetur ta amfani da abu mai ɗorewa, wanda tare da jelly na man fetur a gida tare da ɗan ƙaramin abu.Jelly mai cike da igiyoyi, kebul na fiber optic duk rata, tsakanin hatimin ruwa mai hana ruwa yana taka rawa na fiber na gani daga yanayin waje, yana tsawaita rayuwarsa, kuma babu kulawa da zai iya kiyaye kwanciyar hankali na dogon lokaci da amincin watsawar fiber optic.
A cikin masana'antar kebul, ana amfani da jelly na USB da farko don samar da igiyoyin waya tare da wayoyi na jan karfe, jelly na USB kuma ana rarraba shi azaman mahaɗan mai cike da petrolatum.
Shiryawa na jelly na USB.
Ya kamata a cika jelly na USB a cikin ganguna na ƙarfe ko tanki mai sassauƙa don guje wa duk wani yabo yayin sufuri.
● LF-90 yana da daidaituwa mai kyau tare da yawancin kayan polymer, kuma yana da kyau sosai tare da kayan ƙarfe da aluminum.
● Gwajin dacewa da aka ba da shawarar ga duk kayan polymer a cikin hulɗa da maganin shafawa.
● An tsara LF-90 don tsarin cikewar sanyi, yana guje wa ɓarna saboda raguwar maganin shafawa.
| Siga | Darajar Wakili | Hanyar Gwaji |
| Bayyanar | Semitransparent | Duban gani |
| kwanciyar hankali launi @ 130°C / 120hrs | <2.5 | Saukewa: ASTM127 |
| yawa (g/ml) | 0.93 | Saukewa: ASTM D1475 |
| Wurin walƙiya (°C) | > 200 | Saukewa: ASTM D92 |
| wurin faduwa (°C) | >200 | Saukewa: ASTM D566-93 |
| shiga @ 25°C (dmm) | 320-360 | Bayani na ASTM D217 |
| @ -40°C (dmm) | >120 | Bayani na ASTM D217 |
| danko (Pa.s @ 10 s-125°C) | 50 | CR Ramp 0-200 s-1 |
| Rabuwar mai @ 80°C / 24 hours (Wt%) | 0 | FTM 791 (321) |
| volatility @ 80°C / 24 hours (Wt%) | <1.0 | FTM 791 (321) |
| Lokacin shigar da iskar oxygen (OIT) @ 190°C (min) | >30 | Farashin ASTM3895 |
| darajar acid (mgKOH/g) | <1.0 | Saukewa: ASTMD974-85 |
| Adadin juyin halittar hydrogen 80°C/24hours(µl/g) | <0.1 | |
| hydroscopicity (min) | <= 3 | YD/T 839.4-2000 |
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