EN
sinopec pva 17-88 & pva 088-20 (bp-17 & pva 217 & pvoh 22-88)
pva yog linear polymer nrog cov pab pawg hydroxyl theem nrab. nws muaj zoo solubility, thermal stability, tshuaj tiv thaiv, cia stability thiab zaj duab xis tsim.
piav qhia
saib tag
pva yog linear polymer nrog cov pab pawg hydroxyl theem nrab. nws muaj zoo solubility, thermal stability, tshuaj tiv thaiv, cia stability thiab zaj duab xis tsim.
cov ntaub ntawv technical
|
yam |
hydrolysis (mol%) |
viscosity (mpa.s) |
tsis hloov pauv (% ≤) |
tshauv (% ≤) |
ph (tus nqi) |
kev huv (% ≥) |
|
088-20 : kuv |
87.0-89.0 Nws |
20.5-24.5 Nws |
≤5.0 |
≤0.4 |
5 ~ 7 |
≥93.5 |
pob
25 kg / hnab.
khaws cia
khaws cia 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.
