PVA 1799S

PVA 1799S is a type of polyvinyl alcohol (PVA) polymer powder, PVA 1799 Powder CAS 9002-89-5, characterized by its degree of polymerization (DP) of approximately 1700 and a hydrolysis (alcoholysis) degree of 99%. This water-soluble synthetic polymer is widely used in industrial and chemical applications due to its excellent film-forming, adhesive, and emulsifying properties.

Key Properties:

High solubility in water (at elevated temperatures).
Forms flexible, transparent films with good mechanical strength.
Resistant to oils, greases, and organic solvents.
Biodegradable and non-toxic under standard conditions.

Descriptions

Applications:

Adhesives: Binder in paper, textiles, and wood glue formulations.
Coatings: Used in release films, paper coatings, and textile sizing.
Construction: Additive in cement mortars for improved workability.
Pharmaceuticals: Excipient in tablet coatings and controlled-release systems.
Packaging: Water-soluble films for detergent pods or agrochemicals.

Technical Specifications:

Objet	Index
Hydrolyse (mole%)	98.0 ~ 99.9
Viscosité (mPa.s)	22.0 ~ 30.0
Volatile(wt%)	≤ 5.0
Frêne (wt%)	≤ 0.5
Valeur du pH	5 ~ 7
Pureté (%)	≥ 93.5
Taille des particules	Fine Powder, 80 ~200 mesh

Packaging:

Emballage en papier kraft avec film plastique à l'intérieur, 20kg/25kg par sac, ou sac tissé 500KG par sac.

Stockage :

Store in a dry, well-ventilated room at room temperature 5-30°C.

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