Polyvinyl Alcohol GL 05 Product Description
Polyvinyl Alcohol (PVA) GL 05 is a water-soluble synthetic polymer that is widely used in various industrial applications due to its excellent film-forming, emulsifying, and adhesive properties. This particular grade, GL 05, is characterized by its low molecular weight and high degree of hydrolysis, making it suitable for applications requiring high solubility in water. PVA GL 05 is non-toxic, biodegradable, and has a good resistance to oils and solvents, which makes it an environmentally friendly choice for many industries.
Uses of Polyvinyl Alcohol GL 05
- Adhesives: Used as a bonding agent in various adhesive formulations due to its strong adhesive properties.
- Textile Industry: Employed as a sizing agent in textile processing to improve the strength and finish of fabrics.
- Paper Coating: Utilized in the paper industry for coating applications to enhance surface properties and printability.
- Cosmetics: Incorporated in cosmetic formulations for its film-forming ability and skin feel.
- Food Packaging: Used in biodegradable films for food packaging, providing a sustainable alternative to traditional plastics.
- Construction: Acts as a binder in cement and mortar formulations, improving workability and adhesion.
Technical Data
| Property | Value |
|---|---|
| Appearance | White to off-white powder |
| Molecular Weight | 31,000 – 50,000 g/mol |
| Degree of Hydrolysis | 85 – 89% |
| Solubility in Water | Soluble at room temperature |
| pH (1% solution) | 4.5 – 6.5 |
| Viscosity (1% solution) | 20 – 30 mPa·s |
| Melting Point | 230 – 240 °C |
| Tensile Strength | 30 – 50 MPa |
| Elongation at Break | 200 – 300% |
| Storage Conditions | Cool, dry place, away from direct sunlight |
Summary
Polyvinyl Alcohol GL 05 is a versatile polymer with a wide range of applications across various industries. Its unique properties, such as high solubility, excellent film-forming capabilities, and biodegradability, make it an ideal choice for environmentally conscious formulations. Whether used in adhesives, textiles, or food packaging, PVA GL 05 continues to be a valuable material in modern manufacturing processes.