EN
SINOPEC PVA 17-92 & PVA 092-20
PVA yog ib qho polymer linear nrog cov qhuav hydroxyl secondary. Nws muaj qhov zoo solubility, thermal stability, chemical resistance, storage stability thiab film formation.
Piav qhia
Saib xyuas
PVA yog ib qho polymer linear nrog cov qhuav hydroxyl secondary. Nws muaj qhov zoo solubility, thermal stability, chemical resistance, storage stability thiab film formation.
Cov ntaub ntawv thev naus laus zis
|
Khoom |
Hydrolysis (mol%) |
Viscosity (mpa.s) |
Volatile (%≤) |
Ash (%≤) |
pH (Nqe) |
Purity (% ≥) |
|
092-20 |
91.0-93.0 |
21.0-27.0 |
≤5.0 |
≤0.5 |
5~7 |
≥93.5 |
Pob
25 kg/hnab.
Khaws
Khaws rau hauv qhov chaw qhuav, zoo-ventilated ntawm chav tsev kub 5-30 ℃. Tsis txhob mus ze qhov chaw kub, tiv thaiv cov av noo, tsis txhob raug tshav ntuj. Nws yog txwv tsis pub khaws cia ua ke nrog cov tshuaj volatile los tiv thaiv adsorption deterioration.
