| Customization: | Available |
|---|---|
| CAS No.: | 9002-89-5 |
| Formula: | C2h4o |
|
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Polyvinyl alcohol (PVA) is a non-polluting water-soluble polymer, usually white or slight yellow floccule, flake, granular or powder solid. Its performance is between plastic and rubber. It has good adhesion, film-forming ability, insulation, oil resistance, abrasion resistance and gas barrier property, etc.
Specification of PVA Polyvinyl Alcohol :
PVA1788 PVA 088-20
|
TESTED ITEM |
Unit |
PVA 1788 |
PVA 088-20 |
||
|
|
|
Range of Insp |
Result |
Range of Insp. |
Result |
|
Appearence |
-- |
-- |
White Flakes |
-- |
White Flakes |
|
Alcoholysis Degree |
Mole(%) |
87.0-89.0 |
88.5 |
87.0-89.0 |
88.6 |
|
Viscosity |
mPa.s |
20.0-28.0 |
24.1 |
20.0-26.0 |
23.1 |
|
Volatile |
Wt(%) |
≤5.0 |
2.5 |
≤5.0 |
2.4 |
|
Ash |
% |
≤0.5 |
0.28 |
≤0.5 |
0.26 |
|
PH VALUE |
-- |
5.0-7.0 |
5.8 |
5.0-7.0 |
5.3 |
PVA 2488 PVA1799
|
TESTED ITEM |
Unit |
PVA 2488 |
PVA 1799 |
||
|
|
|
Range of Insp |
Result |
Range of Insp. |
Result |
|
Appearence |
-- |
-- |
White Flakes |
-- |
White powder |
|
Alcoholysis Degree |
Mole(%) |
87.0-89.0 |
88.5 |
99.0-100.0 |
99.6 |
|
Viscosity |
mPa.s |
45.0-55.0 |
50.1 |
20.0-30.0 |
28.1 |
|
Volatile |
Wt(%) |
≤5.0 |
2.5 |
≤5.0 |
2.6 |
|
Ash |
% |
≤0.5 |
0.28 |
≤0.5 |
0.27 |
|
PH VALUE |
-- |
5.0-7.0 |
5.8 |
5.0-7.0 |
5.6 |
Application
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