وانواي بي في ايه 1788

PVA 1788, also known as Polyvinyl Alcohol 1788, is a versatile synthetic polymer widely used in various industrial applications. It is characterized by its excellent film-forming, emulsifying, and adhesive properties. PVA 1788 typically has a viscosity range of 20-30 mPa·s for a 4% aqueous solution at 20°C and a degree of alcoholysis of 87-89%. This grade of PVA is highly soluble in hot water, making it easy to handle and apply in different formulations.

PVA 1788 is commonly used in textile sizing, adhesives, paper coatings, and construction materials due to its strong binding capabilities and good compatibility with other substances. It is available in white or light yellow granular or powdered form, ensuring ease of dissolution and application. With low volatility and ash content, PVA 1788 is a reliable and efficient choice for industries requiring high-performance polymeric materials.

Specifications:

ItemData
Viscosity mpa.s20.0-28.0
Average Degree of Polymerication/
Degree of Alcoholysis (Mol/mol)78.0-82.0
Molecular Weight/
Volatile %7.0
Sodium Acetate %2.8
Ash content %1.0
PH5-7

Features:

  • الذوبان في الماء:  Easily dissolves in water, especially hot water, making it highly versatile for aqueous solutions and applications.
  • Film-Forming Ability: Forms strong, flexible, and transparent films, ideal for coatings, packaging, and adhesives.
  • Adhesive Properties:  Excellent binding capabilities, widely used in adhesives for paper, textiles, and wood.
  • Chemical Resistance: Resistant to oils, greases, and solvents, enhancing its durability in various industrial applications.
  • Biodegradability: Environmentally friendly, as it is biodegradable and non-toxic.
  • High Tensile Strength: Provides strong mechanical properties, making it suitable for fibers and films.
  • Emulsifying and Stabilizing Agent: Acts as an effective emulsifier and stabilizer in paints, coatings, and cosmetics.
  • Thermal Stability: Stable at moderate temperatures, though it decomposes at higher temperatures.
  • Versatility: Available in various grades (e.g., different viscosities and degrees of alcoholysis) to suit specific applications like textiles, paper, construction, and pharmaceuticals.
  • Non-Toxic and Safe:  Safe for use in food packaging, medical applications, and personal care products due to its non-toxic nature.

Applications:

  • Textile sizing
  • Adhesive
  • Paper coating
  • Construction materials

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 -1788 general package is 25kg/bag.  Paper and plastic composite package.

Safety:

PVA 1788 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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