Global - Premier PVA: High - Quality Polymer for Diverse Applications
Major Application Fields
PVA is widely used in the textile industry. It serves as a sizing agent for yarns, improving their strength and smoothness during weaving. This helps to reduce breakage and enhance the overall quality of the fabric. After the weaving process, PVA can be easily removed by washing, leaving the fabric with its original properties. In addition, PVA is used in the production of textile coatings and adhesives, providing good adhesion and durability.
In the paper industry, PVA is used as a surface sizing agent and a binder. As a surface sizing agent, it improves the water resistance, strength, and printability of paper. It forms a thin, transparent film on the paper surface, preventing ink from spreading and improving the clarity of printed images. As a binder, PVA is used in the production of coated papers and paperboard, enhancing the adhesion between the coating layer and the substrate, and improving the overall strength and durability of the paper products.
PVA is also an important material in the adhesive industry. It has excellent adhesive properties, especially for porous materials such as wood, paper, and textiles. PVA - based adhesives are water - soluble, easy to use, and have good bonding strength. They are widely used in the construction, furniture, and packaging industries for bonding various materials. In addition, PVA adhesives can be modified with other additives to improve their heat resistance, water resistance, and other properties to meet specific application requirements.
In the field of coatings, PVA is used as a film - forming agent. It forms a transparent, flexible, and water - resistant film on the surface of the coated object, providing protection against moisture, chemicals, and UV radiation. PVA - based coatings are widely used in the protection of wood, metal, and plastic surfaces. They can also be used as a primer or an intermediate coating to improve the adhesion and performance of the top - coat.
Specifications
| Product Name | Polyvinyl Alcohol | |||||||||
| Chemical Formula | (C2H4O)n | |||||||||
| Molecular Weight | 30,000–150,000 g/mol | |||||||||
| Appearance | White powder or granule | |||||||||
| Melting Point | 230–240°C | |||||||||
| Density | 1.26–1.31 g/cm³ | |||||||||
| CAS NO | 9002-89-5 | |||||||||
| HS Code | 39053000 | |||||||||
| EINECS NO | 209-183-3 | |||||||||
| Application | Used in adhesives, textiles, paper coatings, and films | |||||||||
Quality Control Sheet
| Product Name | Polyvinyl Alcohol | ||||||
| ITEM | STANDARD VALUE（%） | TEST VALUE（%） | |||||
| Alcoholysis Degree%(mol/mol) | 86.5～88.0 | 86 | |||||
| Viscosity mPa·s | 45.0～55.0 | 48 | |||||
| Volatile Content | ≤5 | 3 | |||||
| Ash Content% | ≤0 | 0 | |||||
| pH value | 5.0 | 5.0 | |||||
| Particle Size bigger than 10mesh | - | 2 | |||||
| Particle Size smaller than 60mesh | - | 2 | |||||
In summary
Our Global - Premier PVA is available in different grades and forms, including powders, granules, and solutions, to meet the specific needs of various industries. Each grade of PVA has specific properties such as viscosity, degree of polymerization, and alcoholysis degree, which can be customized according to customer requirements. Our PVA products are packaged in moisture - proof and air - tight packaging to ensure their quality and stability during storage and transportation. Whether you are a textile manufacturer in Asia, a paper mill in Europe, an adhesive producer in North America, or a coating company in South America, our Global - Premier PVA is the reliable and high - quality polymer that can help you improve the performance and quality of your products.