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Polyvinylalkohol (PVA): Organisk förening, vit flingor, flockande eller pulverformig fast, smaklös. Lösligt i vatten (över 95 ℃), lätt lösligt i dimetylsulfon, olösligt i bensin, fotogen, vegetabilisk olja, bensen, toluen, dikloretan, koltetraklorid, aceton, etylacetat, metanol, etylenglykol, etc. Polyvinylalkohol (PVA) är ett viktigt kemiskt råmaterial som används vid tillverkning av polyvinylacyl, bensinresistent rörledning och syntetisk vinylfiber, tygbehandlingsmedel, emulgeringsmedel, pappersbeläggning, lim, lim, etc.
TESTED ITEM
|
STANDARD
|
TESTED RESULT
|
ALCOHOLYSIS DEGREE
(%MOL/MOL)
|
99.0-99.9
|
99.80
|
VISCODITY
(MAP.S)
|
40.0-60.0
|
44.80
|
SODIUM ACETATE
(%)
|
≤2.5
|
1.60
|
VOLATILES
(%)
|
≤5.0
|
3.50
|
ASH
(%) |
≤0.7
|
0.50
|
PH VALUE
(%)
|
5-7
|
6.10
|
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.