CAS 9002-89-5 chemical PVA powder polyvinyl alcohol PVA 2488, and its appearance can be divided into flake, granular and powder; it can be solved in hot water. Its aqueous solution has good adhesion and film-forming properties: film-forming properties PVA 2488 is easy to form a film, with good mechanical properties. The tensile strength of the film increases with the degree of polymerization and alcoholysis.
Paramètres du produit (spécifications)
| Objet | PVA 2488 |
| Hydrolyse (mole%) | 87.0 ~ 89.0 |
| Viscosité (mPa.s) | 44.0 ~ 50.0 |
| Volatile(wt%) | ≤5.0 |
| Frêne (wt%) | ≤0.5 |
| Valeur du pH | 5 ~ 7 |
| Pureté (%) | ≥ 91.5 |
| Taille des particules | Flake, 10~200mesh |
RFQ：
1. Can you provide free samples?
—-A- Free samples can be offered for your testing and checking, just feel free to contact us.
2. What about the package?
—-A- Kraft paper package with plastic film inside, 20kg/25kg per bag, or woven bag 500KG per bag.
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