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Polyvinyl Alcohol (PVA 1799) – High-Performance Water-Soluble Polymer
Introduction
Polyvinyl Alcohol (PVA 1799) is a high-quality synthetic polymer known for its water solubility, excellent film-forming ability, adhesion, and emulsifying properties. Produced through the hydrolysis of polyvinyl acetate, PVA 1799 is widely used in industries ranging from textiles and adhesives to paper manufacturing, construction, and cosmetics.
Its specific grade, PVA 1799, is recognized for its high degree of polymerization and high viscosity, making it ideal for applications that require strong bonding, thickening, and moisture resistance
Description
Chemical Identity
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Product Name: Polyvinyl Alcohol (PVA 1799)
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Chemical Formula: [C₂H₄O]ₙ
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CAS Number: 9002-89-5
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Appearance: White to off-white powder or granules
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Solubility: Soluble in water, insoluble in most organic solvents
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Odor: Odorless
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pH (4% solution): 5.0 – 7.0
Specifications of PVA 1799
| Property | Specification |
|---|---|
| Hydrolysis Degree | 87% – 89% (partially hydrolyzed) |
| Viscosity (4% solution at 20°C) | 55 – 65 mPa·s (high viscosity grade) |
| Moisture Content | ≤ 5% |
| Ash Content | ≤ 0.5% |
| Purity | ≥ 98% |
| Particle Size | 80 – 100 mesh |
| Storage Stability | Stable under normal conditions |
Applications of Polyvinyl Alcohol PVA 1799
🧵 Textile Industry
PVA 1799 is extensively used as a warp sizing agent in textile manufacturing. It enhances yarn strength, flexibility, and reduces breakage during weaving, ensuring better fabric quality.
🧪 Adhesives and Glues
Thanks to its excellent adhesive properties, PVA 1799 is widely used in the production of water-based glues, especially for paper, cardboard, wood, and even ceramics. It offers strong initial tack and forms a transparent, flexible film upon drying.
📄 Paper and Packaging
In the paper industry, PVA 1799 is utilized for coating, binding, and laminating to improve printability, oil resistance, and tensile strength. It also acts as a binder in the manufacture of specialty papers and paperboard.
🏗️ Construction and Mortar Additives
As a polymer additive in cements and mortars, PVA improves adhesion, water resistance, and flexibility of construction materials, especially for tile adhesives, patching compounds, and wall putties.
🧴 Cosmetics and Personal Care
Due to its non-toxic and film-forming nature, PVA is used in facial masks, cleansers, and eye care products as a stabilizer, thickener, and viscosity modifier.
Safety and Handling
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Non-toxic and biodegradable under normal usage conditions.
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Use standard protective gear (gloves, mask) when handling the powder form to prevent inhalation or skin irritation.
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Store in a cool, dry place away from moisture and direct sunlight.
Conclusion
Polyvinyl Alcohol PVA 1799 is a versatile, high-viscosity, partially hydrolyzed polymer that delivers superior performance across various industries. Whether you need enhanced bonding, film formation, water solubility, or emulsification, PVA 1799 stands out as a reliable choice for adhesives, textiles, coatings, and personal care products. Its environmentally friendly profile and adaptability make it a preferred material for modern manufacturing and sustainable product development.
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