Polyvinyl Alcohol PVOH®9913
LIWEI CHEMICAL CO. LTD
|
Appearance |
Slightly Yellow grains solid |
|
Total Solids wt%(min) |
98.5 |
|
Degree of Hydrolysis (mole %) |
98.0-99.0 |
|
Viscosity@20°C,4% solution (mPa.s) |
13.5±2.5 |
|
pH value |
5.0~7.0 |
|
Ash Content (as Na2O) wt% (max) |
0.4 |
|
VOC’s wt% (max) |
0.25 |
| Packing |
In 20kg paper bag. |
|---|---|
| Storage | Powder 20°C 2 years; Floccule 20°C 2 years. |
| Shipping | Room temperature 5-30℃ in China; may vary elsewhere |
| Liwei PVA is one of the top 10 PVA factories and the top 100 strongest enterprises in anhui province.In 2005,Liwei PVA is evaluated as advanced and high technical company. We mainly deals in polyvinyl alcohol,PVA,PVA fiber and raw materials for producing PVA like vinyl acetate,calcium carbide. |
| For samples, pricing, or more information, please call us at 0086-25-52397803 or mai to info@china-pva.net or fill out the following form. We will respond to you as soon as possible. |
PVOH®9913 is a fully hydrolyzed medium molecular weight polyvinyl alcohol (PVOH). Using our exclusive batch process which has advantages over other manufacturing methods,allows more efficient control over the degree of hydrolysis and particle size of the product.
PVOH®9913 achieves the best performance in textile, paper, molding, and adhesive industry.
The Hot Method is the most efficient if dispersion / wetting of the powder is an issue. The
PVOH®9913 is either added slowly to water at more 90°C or to water at room temperature and
then heated to more 90°C, with good agitation. The PVOH®9913 will disperse and on cooling
will go smoothly into solution without lump formation.
1.PVOH®9913 should be stored away from wet areas. Ingress of moisture should be avoided to maintain product quality. 2.As supplied, PVOH®9913 should remain fit for use for 12 months from the date of delivery. Beyond that date, the material may still be fit for use, but we would advise that it is good practice to test the material. or more after delivery should be tested before use.