Our polyvinyl alcohol 2688 Flake (PVA 2688F) powder series of products is specialized.It is made from vinyl acetate through polymerization and alcoholysis. It is a white, stable and non-toxic water-soluble polymer that can quickly dissolve in water to form a stable colloid. Water is a good solvent.
Caractéristiques du produit :
Partiellement hydrolysé.
Faible viscosité.
Grades équivalents :
CCP BP-26
Sekisui Selvol 540 - Celanses
Produit Paramètre (spécification)
Objet |
PVA 2688F |
Hydrolyse (mole%) |
87.0 ~ 89.0 |
Viscosité (mPa.s) |
50.0 ~ 58.0 |
Volatile(wt%) |
≤5.0 |
Frêne (wt%) |
≤0.5 |
Valeur du pH |
5 ~ 7 |
Pureté (%) |
≥91.5 |
Taille des particules |
Flake |
Stockage : The products should be stock indoor where room temperature is 5-30℃, dry& well-ventilated place, storage by batches. Keep away from the power, prevent humid, and avoid sun exposure. It is strictly forbidden to store together with volatile chemicals to prevent adsorption deterioration.
Transport : Lors du transport, des véhicules propres sont nécessaires, il faut veiller à éviter l'humidité, la pluie et la protection solaire. Manipuler avec précaution pour éviter d'endommager l'emballage. Il est strictement interdit de stocker le produit avec des produits chimiques volatils afin d'éviter la détérioration par adsorption.
FAQ
Q:How can we guarantee the products’ quality?
A:1.All materials must be tested refers to key specifications before unload.
2.We will store different material into different warehouse after unload.
3.We keep pa per and computer storage records.
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