Polyvinyl Alcohol

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Polyvinyl Alcohol Pva 2488

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Product Details:

Hydrolysis Degree	87-89 %
Physical State	Powder
Grade	2488
Form	Powder
Grade Standard	Industrial Grade
Degree of Hydrolysis	Partially Hydrolyze
Packaging Details	25 kg Bag
Purity %	99%

Product Overview
PVA 2488 is a partially hydrolyzed polyvinyl alcohol supplied as a white, free-flowing powder or granules, widely used as a binder, film-former, thickener, and stabilizer in water-based formulations. It offers an excellent balance of solubility, adhesion, film strength, and flexibility, making it suitable for a broad range of industrial applications.

Chemical Nature

Synthetic polymer obtained by hydrolysis of polyvinyl acetate
Degree of hydrolysis: ~87–89%
Medium to high molecular weight grade

Key Features

Excellent water solubility (hot water soluble)
Strong film-forming ability
Good adhesion to porous substrates
Balanced flexibility and tensile strength
Stable in alkaline systems
Compatible with many fillers, pigments, and additives

Performance Benefits

Improves binding strength in paints and adhesives
Enhances abrasion resistance and film integrity
Provides smooth, uniform films
Improves pigment dispersion stability
Contributes to controlled viscosity and rheology

Applications

Paints & Coatings

Binder for distemper paints
Interior wall coatings
Primer formulations

Adhesives

Paper, carton, and packaging adhesives
Wood and plywood adhesives
Laminating adhesives

Paper Industry

Surface sizing agent
Binder for paper coatings
Improves strength and printability

Textiles

Warp sizing
Fabric finishing and coating

Construction Chemicals

Binder for putties and cement-based modifiers
Crack fillers and wall putty formulations

Typical Properties (indicative values)

Property	Typical Value
Appearance	White powder or granules
Degree of Hydrolysis	87 – 89 %
Viscosity (4% solution, 20 °C)	~45 – 55 mPa·s
pH (4% solution)	5.0 – 7.0
Ash Content	≤ 1.0 %
Volatile Matter	≤ 5.0 %