Polyvinyl alcohol, white flake or powder. Fully hydrolysed 99 mol% grade at DP 1500 — emulsion stabiliser with anti-scaling behaviour.
Request a quote| Product | Polyvinyl alcohol (PVA) |
|---|---|
| Grade / mill code | PVA 1599 / L099-15 |
| Degree of hydrolysis | 99 mol% |
| Average polymerization (DP) | 1500 |
| Viscosity, 4% aq. at 20 °C | 13.0–17.0 mPa·s (export code 098-15) |
| Solubility | Fully hydrolysed — dissolves in 85–95 °C water |
| Appearance | White flake, granule or powder |
| Purity | ≥93.0% (grade dependent) |
| pH (4% solution) | 5–7 |
| CAS / HS code | 9002-89-5 / 39053000 |
| Controls particle size | High hydrolysis gives strong interfacial adsorption, narrowing the particle size distribution batch after batch. |
|---|---|
| Cuts wall scaling | Used as part of the seed liquor it reduces polymer build-up on the reactor wall and on the agitator. |
| Screen before use | Filter through 80 mesh. A single gel particle that reaches the reactor becomes a visible defect in the film. |
Articles published for PVA 1599, grouped by the line they cover.
Send the grade, quantity, destination port and incoterm. You get a firm quote, a free 500 g sample and English TDS, MSDS and COA from the lot we ship.
