Polyvinyl Alcohol (PVA) CAS#9002-89-5
Powerful Film-forming & Adhesive Capacity: Water-soluble polymer with excellent film-forming property, high tensile strength and outstanding bonding performance, good oil resistance and gas barrier property, widely used for sizing, adhesive and coating preparation.
Excellent Water Solubility & Emulsifying Property: Dissolves in hot water to form stable aqueous colloid, works as protective colloid and dispersant; easy to prepare different concentration solution for industrial use.
Stable Solid Form for Convenient Transport: White granule / flake / powder with uniform texture, stable under sealed storage, easy to weigh, transport and automatic feeding.
Polyvinyl alcohol, abbreviated as PVA, is a high-demand water-soluble polymer raw material, low irritancy and wide coverage of industrial application scenarios.
Chemical & Physical Properties
| Property | Value |
|---|---|
| Melting point | 220~240 ℃ (decomposes above 200℃) |
| Density | 1.19~1.31 g/cm³ |
| Storage temp | Sealed dry cool warehouse, keep away from open flame and high heat |
| Solubility | Soluble in hot water, insoluble in most organic solvents |
| Form | Granule / flake / powder |
| Color | Pure white |
| Odor | Odorless |
| PH Value | 5.0-7.0 (4% aqueous solution), nearly neutral |
| Hygroscopicity | Slightly hygroscopic |
| Stability | Stable in airtight packaging; decomposes when heated above 200℃ |
| EINECS No. | 209-183-3 |
| CAS DataBase Reference | 9002-89-5 |
Safety Information
| Item | Value |
|---|---|
| Hazard Codes | None |
| Risk Statements | None |
| Safety Statements | S22; S24/25; Avoid inhaling dust and thermal decomposition fumes |
| UN Number | Not regulated |
| Hazard Class | Not dangerous goods |
| Packing Group | Not applicable |
| Flammability | Combustible, dust may form explosive mixture with air |
| HS Code | 39053000 |
Main applications: Textile sizing agent, paper surface sizing, water-soluble film, adhesive, emulsion polymerization protective colloid, ceramic binder, building glue, fiber raw material, coating auxiliary, packaging material.
