Polyvinyl alcohol is white solids with three types: flocculent, granular and powdery; non-toxic, odorless, non-polluting, and can be dissolved in water at 80--90 °C. Its aqueous solution has good adhesion and film-forming properties; it is resistant to most organic solvents such as oils, lubricants and hydrocarbons; it has chemical properties such as esterification, etherification, and a cetalization of long-chain polyols.
Poly(vinyl alcohol)
MF: C2H4O
MW: 44.05256
CAS: 9002-89-5
Test items | Index |
Product Name | Polyvinyl alcohol/PVA |
CAS NO | 9002-89-5 |
EINECS No. | 209-183-3 |
Appearance | White Solid Powder |
Purity | 99% Min |
Flash point | 79 ºC |
Melting point | 230 to 240 ºC |
Water solubility | Soluble |
Application | Mortar, putty powder, coating, interface agent, decorative plaster, tile jointing agent, silicon nitride and other industrial ceramic powder bonding, cement, gypsum additives, etc. |
Item |
Hydrolysis degree
(mol%) |
Viscosity
(cps) |
Volatilize
(%) |
Ash
(%) |
PH |
1788 | 86.0-90.0 | 20.0-26.0 | Max 7.0 | Max 7.0 | 5-7 |
2488 | 86.0-90.0 | 44.0-52.0 | Max 7.0 | Max 7.0 | 5-7 |
2688 | 86.0-90.0 | 48.0-58.0 | Max 7.0 | Max 7.0 | 5-7 |
0588 | 86.0-90.0 | 4.0-6.0 | Max 7.0 | Max 7.0 | 5-7 |
Polyvinyl alcohol is mainly used in the manufacture of polyvinyl a cetal, gasoline-resistant pipes, vinylon fibers, emulsifiers, dispersants, adhesives, fabric treatment agents, binders for binding, packaging films, and medical materials and products.
In agriculture, polyvinyl alcohol is used as soil conditioner, pesticide adhesion synergist and polyvinyl alcohol film; it can also be used in daily cosmetics and high-frequency quenching agent.
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