Optical fiber filling jelly
Lus piav qhia luv luv:
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.
Qhov tsis-Newtonian xwm tso cai rau cov jelly kom nyias tawm thaum lub sijhawm ua haujlwm thiab teeb tsa tom qab kev ua haujlwm shear raug tshem tawm. Cov yam ntxwv tseem ceeb uas qhia txog qhov tsim nyog ua tau zoo yog viscosity ntawm ntau tus nqi shear thiab qhov kev ntxhov siab tawm los. Feem ntau cov jelly yog tsim los ntawm cov roj thiab ib qho inorganic lossis organic thickener. Inorganic thickeners siv ntau yam ntawm cov av nplaum organic mus rau silica. Cov thickeners no raug tshem tawm hauv cov roj hydrophobic xws li cov roj ntxhia lossis roj hluavtaws. Tsis tas li ntawd, cov stabilizers tuaj yeem muab tso ua ke los xyuas kom meej oxidative stability ntawm qhov sib tov.
● XF-400 yog sib xws nrog acrylic resin coatings thiab polymer cov ntaub ntawv rau fiber ntau thiab cable daim ntaub ntawv.
● Nws raug nquahu kom tag nrho cov ntaub ntawv polymer nyob rau hauv kev sib cuag nrog cov muab tshuaj txhuam yuav tsum tau kuaj rau compatibility thaum siv.
● XF-400 yog tsim los rau cov txheej txheem ua kom txias kom tsis txhob muaj cov voids vim yog paste shrinkage.
| Parameter | Tus nqi sawv cev | Txoj Kev Xeem |
| Qhov tshwm sim | Colorless thiab Semitransparent | Kev tshuaj xyuas qhov muag |
| xim stability @ 130 ° C / 120hrs | <2.5 | ASTM 127 UAS |
| Qhov ceev (g / ml) | 0.83 ua | ASTM D 1475 Cov Lus Qhia Tshwj Xeeb |
| flashing point (°C) | > 200 | ASTM D 92 |
| poob taw tes (°C) | > 200 | ASTM D 566-93 Cov khoom siv raw |
| Kev nkag mus @ 25 ° C (dmm) | 440-475 : kuv | ASTM D 217 |
| @ -40 ° C (dmm) | > 230 | ASTM D 217 |
| viscosity (Pa.s @ 10s-125 ° C) | 4.8 +/-1.0 | CR Ramp 0-200s-1 |
| (Pa.s @ 200 s-125 ° C) | 2.6 +/- 0.4 | CR Ramp 0-200s-1 |
| Cov roj sib cais @ 80 ° C / 24 teev (Wt%) | 0 | TSW 791 (321) |
| volatility @ 80 ° C / 24 teev (Wt%) | <1.0 | TSW 791 (321) |
| oxidation induction lub sij hawm (OIT) @ 190 ° C (min) | > 30 | ASTM 3895 (Tshooj 3895) |
| acid tus nqi (mgKOH / g) | <0.3 | ASTMD 974-85 UAS |
| Hydrogen evolution npaum li cas 80 ° C / 24hours (µl / g) | <0.02 |
|
| dej tsis kam (20 ° C / 7 hnub) | hla | SH/T0453 a |
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