Propylene glycol yog xim tsis muaj xim, pob tshab, thiab kua nplaum; viscosity yog ib qho tseem ceeb ntawm lub cev parameter qhia txog nws cov yam ntxwv ntws. Lub dynamic viscosity ntawm feem ntau siv 1,2-propylene glycol yog kwv yees li 52 mPa·s ntawm 20℃thiab txog 43 mPa·s ntawm 25 degree. Piv nrog rau cov dej, propylene glycol muaj viscosity siab dua, uas ua rau cov dej ntws qeeb qeeb ntawm chav tsev kub; Txawm li cas los xij, nws khaws cov fluidity txaus kom ua tau raws li qhov yuav tsum tau ua ntawm cov qauv tsim thiab kev sim ua haujlwm.
Lub viscosity ntawm propylene glycol yog qhov tseem ceeb ntawm qhov kub thiab txias -nyob ntawm, feem ntau yuav txo qis thaum qhov kub nce. Raws li qhov kub thiab txias nce, lub zog intermolecular tsis muaj zog thiab sab hauv cov dej tsis kam, ua rau cov kua yooj yim rau kev thauj thiab sib tov. Piv txwv li, ntawm kwv yees li 40 degree, lub viscosity tuaj yeem poob mus txog 20 mPa·s. Yog li ntawd, nyob rau hauv lub tswv yim ntau lawm, yog hais tias nws yog tsim nyog los txhim khu kev thauj mus los efficiency los yog txhim khu kev sib xyaw nrog lwm yam raw khoom, lub system lub viscosity yuav txo tau los ntawm tsim nyog raising qhov kub thiab txias.
Hauv kev tsim cov polyesters, polyurethanes, thiab lwm yam tshuaj, viscosity ntawm propylene glycol cuam tshuam rau cov khoom siv raw metering, thauj, thiab sib tov. Qhov kub thiab txias -induced viscosity fluctuations yuav tsum tau muab coj mus rau hauv tus account, tshwj xeeb tshaj yog nyob rau hauv tas li ntau lawm txheej txheem los yog kev khiav hauj lwm uas yuav tsum tau muaj meej tswj ntawm raw khoom piv. Hauv kev xyaum, qhov tseem ceeb viscosity yuav tsum tau txiav txim siab raws li cov khoom tshwj xeeb purity, qhov kub thiab txias, thiab kev sim; Tsis tas li ntawd, kev thauj khoom tsim nyog thiab kev sib xyaw ua ke yuav tsum raug xaiv ua ke nrog cov txheej txheem tsim khoom kom ntseeg tau tias cov khoom nkag mus rau cov theem tom ntej hauv kev ruaj khov thiab zoo ib yam.