Product Description
Lub npe tshuaj Polyvinyl cawv (PVA) Qauv: PVA 20-95 CAS No. 9002-89-5
SHANXI COLORSHINE yog cov chaw tsim khoom ntawm polyvinyl cawv nrog ntau xyoo ntawm kev xa tawm. Peb cov khoom raug xa tawm mus rau sab hnub tuaj Asia, Europe, America, thiab lwm thaj chaw. Peb muaj kev tswj hwm kev ua tiav thiab pab pawg kws tshaj lij los muab koj cov khoom zoo thiab cov kev pabcuam siab -.
Tom qab-Kev Pabcuam Muag: Peb muab kev pabcuam rau kev thov khoom; yog tias muaj teeb meem zoo nrog cov khoom, thov hu rau peb hauv 7 hnub ua haujlwm tom qab tau txais cov khoom, thiab peb yuav daws nws rau koj raws sijhawm.
Txais tos tiv tauj peb kom paub meej ntxiv thiab hais lus!
SUNDY Polyvinyl cawv PVA20-95 Khoom Specification
| Cov ntaub ntawv tseem ceeb ntawm cov khoom | |
| Yam khoom | Paub meej |
| Khoom qauv | PVA 20-95 |
| Tshuaj npe | Polyvinyl cawv (PVA) |
| Hom | COLORSHINE |
| CAS Nr. | 9002-89-5 |
| Core Positioning |
Tsawg-viscosity, dej cawv ib nrab-soluble PVA, tsom rau chav-kub dissolution, dispersion stability, bonding thiab zaj duab xis- tsim scenarios |
Physicochemical Properties
- Dej Solubility: Soluble nyob rau hauv dej ntawm chav tsev kub, yielding ib tug pob tshab aqueous tov uas tsis pom impurities. Tsis yog - lom, tsis muaj mob, nyab xeeb thiab ib puag ncig tus phooj ywg, ua tau raws li qhov yuav tsum tau muaj ntawm cov qauv kev nyab xeeb kev sib cuag zaub mov.
- Tshuaj Resistance: Nyob rau hauv chav tsev kub, cov tshuaj aqueous tuav ib tug ruaj khov pH nqi ntawm 5-7 thiab zoo ib yam viscosity. Nws muaj kev tiv thaiv siab rau cov acids tsis muaj zog, tsis muaj zog hauv paus (tsawg dua lossis sib npaug li 5% concentration), thiab cov organic solvents (xws li, esters, ketones, cawv ntau dua, hydrocarbons) tsis ua rau nag lossis daus, viscosity fluctuation lossis tshuaj degradation. Tsis tas li ntawd, nws muaj cov roj ua haujlwm zoo heev, tsis muaj qhov o lossis tawg thaum sib cuag nrog cov zaub los yog cov roj ntxhia.
- Miscibility: Tau tshaj cov hmoov txhuv nplej siab, hluavtaws resins (piv txwv li, PVA, polyacrylic resin), cellulose derivatives (xws li, CMC, HPMC), thiab ntau yam surfactants, tsim cov khoom sib tov ruaj khov. Kev stratification me ntsis yuav tshwm sim tom qab ntev - lub sij hawm cia, uas tuaj yeem rov qab mus rau qhov sib xws los ntawm kev co maj mam.
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