Switchboard：
021-62503072
Domestic：
86-021-62503076
International：
86-021-62503029
Fax：021-62503097
Chinese website: www.longou-chem.com
International Division：
www.longouint.com
1. Product Introduction:
Cold soluble Polyvinyl Alcohol(PVA-2488), organic chemical compound, white flake-shape, flocculent or powder solid, odorless. It can be quickly and fully dissolved in tap water and cold water. However, it can’t be dissolved in gasoline, kerosene, vegetable oil, benzene, toluene, dichloroethane, carbon tetrachloride, acetone, vinyl acetate, methanol, glycol and so on. It can be slightly dissolved in dimethyl sulphoxide. PVA is important chemical raw material.
2. Product Specification Parameter:
|
Item |
PVA |
|
Average Polymerization（ DP） |
1700-1800 |
|
Molecular Weight（ Mn） |
84000-89000 |
|
Viscosity（cps） |
21-26 |
|
Alkalization（ mole%） |
86-89 |
|
Volatile（ wt%） |
＜ 5 |
|
Ash（ wt%） |
＜ 0.5 |
|
PH Value |
5-7 |
|
Fineness（mesh） |
＞ 120 |
3. Product Applications:
This product is mainly used in internal & external putty, interface agent, ceramic adhesive, gypsum plaster, which can increase the cement, mortar's adhesive, flowing performance effectively, also can slow down cement surface drying time, increasing painting adaptability and prevent the crack of cement coating.
4. Product Package and Usage:
25kg Paper Bag. Stored under normal temperature, pay attention not to get wet.
Every 1 ton mortar, 8-10kg usage of this product recommended.
Tel：021-62503072
Domestic trade：021-62503076
Foreign trade：021-62503029
Fax：021-62503097
Chinese website：www.longou-chem.com
International Division：www.longouint.com