Product Description
99%Min Polyvinyl Alcohol PVA
|
Product Name |
Polyvinyl Alcohol(PVA) |
|
MF |
[C2H4O]n |
|
CAS No |
9002-89-5 |
|
EINECS No |
209-183-3 |
|
Appearance |
White flake, flocculent or powder solid |
|
Application |
Adhesives, emulsifiers, dispersants, etc. |
|
Purity |
99%min |
Certificate Of Analysi
|
TESTED ITEM |
Unit |
PVA 2488 |
PVA 1799 |
||
|
Range of Insp |
Result |
Range of Insp. |
Result |
||
|
Appearence |
-- |
-- |
White Flakes |
-- |
White Flakes |
|
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 |
|
TESTED ITEM |
Unit |
PVA 0588 |
PVA 2688 |
||
|
Range of Insp |
Result |
Range of Insp |
Result |
||
|
Appearence |
-- |
-- |
White Flakes |
-- |
White Flakes |
|
Alcoholysis Degree |
Mole(%) |
87.0-89.0 |
88.6 |
87.0-89.0 |
88.1 |
|
Viscosity |
mPa.s |
4.5-6.5 |
5 |
56.0-66.0 |
59.1 |
|
Volatile |
Wt(%) |
≤5.0 |
2.6 |
≤5.0 |
3 |
|
Ash |
% |
≤0.5 |
0.3 |
≤0.5 |
0.29 |
|
PH VALUE |
-- |
5.0-7.0 |
5.9 |
5.0-7.0 |
5.9 |
|
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 |
Application
In the construction and decoration industries, they can be used as mortar cement additives, paint additives for interior and exterior walls, and molding plate adhesives.
In the textile industry , they are mainly used as yarn pulp, fabric finishing agents, and raw materials of vinylon fibers.
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