WANWEI PVA 2488

Wanwei PVA-2488 is a medium-viscosity polyvinyl alcohol (PVA) known for its excellent adhesive, film-forming, and emulsifying properties. With a degree of alcoholysis typically around 88% and a viscosity ranging from 40-60 mPa·s (4% aqueous solution, 20°C), it is widely used in adhesives, construction materials, and coatings. PVA-2488 is easily soluble in hot water, forming films with good flexibility and adhesion. It is also biodegradable and non-toxic, making it suitable for environmentally friendly applications.

Specifications:

ItemData
Viscosity mpa.s40.0-55.0
Average Degree of Polymerication/
Degree of Alcoholysis (Mol/mol)86.0-90.0
Molecular Weight101200-110000
Volatile %7.0
Sodium Acetate %2.8
Ash content %1.5
PH5-7

Features:

  • Medium Alcoholysis Degree: Approximately 88%, offering a balance of solubility and adhesion.
  • Medium Viscosity: Typically 40-60 mPa·s (4% aqueous solution, 20°C), suitable for a wide range of applications.  

  • Excellent Adhesion: Strong binding properties for adhesives and coatings.
  • Good Film-Forming Ability: Forms flexible and durable films.
  • Water Solubility: Easily dissolves in hot water for convenient processing.
  • Chemical Resistance: Resistant to oils and organic solvents.
  • Eco-Friendly: Biodegradable and non-toxic, safe for various applications.
  • Versatility: Suitable for multiple industrial and construction uses.

Applications:

  • Adhesives: Widely used in wood, paper, and packaging adhesives due to its strong bonding properties.
  • Construction Materials: Key component in cement-based mortars, tile adhesives, and putty for improved workability and adhesion.
  • Coatings: Used in water-based paints and coatings for its film-forming and stabilizing properties.
  • Textile Sizing: Acts as a sizing agent to enhance fiber strength and smoothness.
  • Paper Industry: Used in surface sizing and coating to improve paper quality.
  • Emulsifier: Functions as an emulsifying agent in paints, coatings, and cosmetics.
  • Agriculture: Used in seed coatings and agricultural films.
  • Other Industrial Uses: Ceramic binders, 3D printing materials, and more.

Storage:

This product should not be stored outside or exposed to temperature extremes or to moisture. To ensure optimum performance, it is recommended that the product is used on a first in, first out basis from receipt of shipment.

Packaging:

PVA -2488 general package is 25kg/bag.  Paper and plastic composite package.

Safety:

PVA 2488 is a non-hazardous material, but the following safety precautions should still be observed during handling:

  • Avoid inhaling dust; it is recommended to operate in a well-ventilated area.
  • Avoid direct contact with eyes. In case of accidental contact, rinse immediately with plenty of water and seek medical attention.
  • It is advisable to wear appropriate protective equipment, such as gloves and goggles, during use.
  • Store in a cool, dry place, away from high temperatures and moisture.

For more detailed safety operating guidelines, please refer to the Material Safety Data Sheet (MSDS) or contact the manufacturer for further information.

 

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