Product Description
Polyvinyl Alcohol (PVA) is a synthetic polymer that is water-soluble and biodegradable. It is known for its excellent film-forming, emulsifying, and adhesive properties. This versatile material is widely used in various industries, including textiles, paper, packaging, and construction. The 20kg packaging is ideal for both industrial and commercial applications, providing a convenient quantity for manufacturers and researchers alike.
Key Features:
- Water Solubility: Easily dissolves in water, making it suitable for various applications.
- Biodegradable: Environmentally friendly, breaking down naturally over time.
- Film-Forming Ability: Creates strong, flexible films that can be used in coatings and packaging.
- Adhesive Properties: Acts as an effective adhesive in various formulations.
Common Uses:
- Textile Industry: Used as a sizing agent and in the production of fibers.
- Paper Industry: Employed as a coating and adhesive for paper products.
- Construction: Utilized in cement and mortar formulations to improve adhesion and flexibility.
- Packaging: Serves as a barrier material in food packaging to enhance shelf life.
Technical Data
| Property | Value |
|---|---|
| Chemical Formula | (C2H4O)n |
| Molecular Weight | Varies (typically 30,000 – 100,000 g/mol) |
| Appearance | White to off-white powder |
| Solubility | Soluble in water |
| Density | 1.19 – 1.31 g/cm³ |
| Melting Point | 230 – 240 °C |
| pH (1% solution) | 5.0 – 7.0 |
| Viscosity (1% solution) | 10 – 100 mPa·s |
| Tensile Strength | 30 – 50 MPa |
| Elongation at Break | 200 – 300% |
Additional Information:
- Storage Conditions: Store in a cool, dry place away from direct sunlight.
- Shelf Life: Typically stable for 2 years when stored properly.
- Safety Precautions: Use appropriate personal protective equipment (PPE) when handling.
This comprehensive overview of the 20kg Polyvinyl Alcohol product highlights its features, applications, and technical specifications, making it an essential material for various industries.