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(PVA-1788), Model No.: PVA-1788S, PVA-2488S, organic chemical compound, white flake-shape, flocculent or powder solid, odorless. It can quickly and fully dissolved in tap water and cold water. 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 dissovled in dimethyl sulphoxide. PVA is imoortant chemical raw material.
2. Product Specification Parameters:
|
|
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) |
＞ 120mesh |
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 and pay attention to prevent moisture.
every 1 ton mortar use 8-10kg 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