Product Info:
Brand Chang Chun Chemical ( Jiangsu) Co. Ltd
Origin China
Grade PVA –BP-17A & PVA-BP-26
Packing 20 KG Bag
General Description:
Polyvinyl alcohol (PVA) is a synthetic polymer that belongs to the family of polyvinyl compounds. It is a water-soluble polymer that is created through the polymerization of vinyl acetate, followed by hydrolysis to remove the acetate groups. The resulting polymer is a white, odorless, and tasteless solid.
PVA has a high degree of hydrophilicity, meaning it readily absorbs and dissolves in water, forming a viscous solution. This property makes it useful in a wide range of applications, particularly in industries such as textiles, paper, adhesives, coatings, and pharmaceuticals.
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PVA-BP-17A
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SPECIFICATIONS |
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| ITEMS | UNIT | SPECIFICATIONS | RESULTS | |
| PH | 5.00-7.00 | 5.63 | 5. 50 | |
| Viscosity (4%/20 ⁰C) | mPa.s | 21.0-26.0 | 25.0 | 23.5 |
| Hydrolysis | mole % | 86. 00-89.00 | 87. 52 | 87.53 |
| ‘Volatile | wt % | 5.00 Max | 1. 45 | 1.47 |
| Ash | wt % | 0.5 max | 0. 34 | 0.32 |
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PVA-BP-26 |
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SPECIFICATIONS |
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| ITEMS | UNIT | SPECIFICATIONS | RESULTS | |
| PH | 5.00-7.00 | 5.51 | 5. 51 | |
| Viscosity (4%/20 ⁰C) | mPa.s | 50.0-58.0 | 58.2 | 58.2 |
| Hydrolysis | mole % | 86. 00-89.00 | 87.74 | 87.74 |
| ‘Volatile | wt % | 5.00 Max | 1. 90 | 1.9 |
| Ash | wt % | 0.5 max | 0. 21 | 0.21 |
Applications:
1. Packaging:
PVA is used as a coating or film in packaging applications. It provides excellent barrier properties against gases and oils, making it suitable for food packaging, pharmaceutical packaging, and agricultural films.
2. Adhesives:
PVA is a key component in various adhesive formulations. It is used in products like wood glue, paper adhesive, and fabric adhesives. PVA-based adhesives offer good bonding strength and water resistance.
3. Textiles:
PVA is used in the textile industry as a sizing agent. It improves the strength and wrinkle resistance of fabrics, making them easier to handle during processing and enhancing their overall quality.
4. Paper Industry:
PVA is used in paper coatings to improve the surface smoothness, printability, and strength of paper products. It enhances ink absorption and reduces ink bleeding, resulting in high-quality prints.
5. Construction Materials:
PVA is used as an additive in cement-based products, such as tile adhesives and mortars. It improves the adhesion, workability, and flexibility of these materials.
6. Personal Care Products:
PVA is used in cosmetic and personal care products, including hair sprays, gels, and lotions. It provides a film-forming effect, which helps in holding hairstyles and improving the product’s performance.
7. Water Treatment:
PVA is utilized in water treatment processes to aid in the flocculation and sedimentation of impurities. It helps to remove suspended particles and improve the clarity of water.
