Description

Polyvinyl Alcohol (PVA) is a colorless, water-soluble polymer obtained by hydrolysis of polyvinyl acetate. It finds applications in diverse industries including adhesives, paper, textiles, pharmaceuticals, cosmetics, and even construction.

For purchasing PVA, please contact the sales experts at Sepidestan Tejarat.

Purchasing Polyvinyl Alcohol (PVA) from Trusted Sources

To buy high-quality PVA, ensure sourcing from reputable suppliers who provide technical analyses and certification. Sepidestan Tejarat, as one of the leading chemical raw material suppliers, offers various grades of PVA with guarantees on authenticity, competitive pricing, and technical consultation services.

PVA’s widespread applications, water solubility, and availability in diverse grades make it a highly valuable material across industries. Selecting the correct grade and sourcing from a reliable supplier plays a key role in optimizing your production process.

Selling PVA Through Sepidestan Tejarat

If you seek quality PVA in various practical grades, Sepidestan Tejarat is ready to cooperate with manufacturers, workshops, and large industries. By direct import and eliminating intermediaries, the company provides powder PVA with quality assurance, competitive prices, and fast delivery.

• ✅ Stock of industrial and pharmaceutical grades
• ✅ Sale of PVA with various packaging options (bags, pallets)
• ✅ Technical analysis and grade selection consultation
• ✅ Technical support by a team of chemistry experts

How Does Polyvinyl Alcohol Dissolve in Water?

One of PVA’s key features is its water solubility; however, the rate and extent of dissolution depend on the degree of hydrolysis and viscosity.

• Partially hydrolyzed grades dissolve more easily in cold water.
• Fully hydrolyzed grades require warm water for dissolution.

Proper control of temperature and mixing is crucial for obtaining a uniform solution.

Types and Codes of Polyvinyl Alcohol Grades

PVA is produced in various grades and viscosities. The right grade choice depends on your intended application. Important PVA grades include:

• PVA 088-20: Medium viscosity; suitable for adhesives and paper.
• PVA 1799: Industrial grade widely used in textiles and coatings.
• PVA 2488: High adhesion; suited for resins and composites.
• PVA 217: Pharmaceutical applications.
• PVA 205: High purity; cosmetic industry applications.

Each grade is classified by viscosity (low, medium, high) and hydrolysis degree (partial or full).

Potential Risks of Polyvinyl Alcohol

Although PVA is generally considered safe and non-toxic, improper use or excessive exposure may cause:

• Respiratory irritation due to dust inhalation during processing.
• Harm if ingested in non-food grade forms (such as industrial grades) by humans or animals.
• Skin dryness or irritation in sensitive individuals upon prolonged contact.

Hence, adherence to safety guidelines when handling PVA is recommended.

Liquid Polyvinyl Alcohol (PVA) | Powder Form Sales at Sepidestan Tejarat

PVA is available both as powder and as liquid (ready-to-use aqueous solutions). Liquid PVA is a pre-dissolved form that can be used directly without re-dissolving, which offers these benefits:

• Saves preparation time.
• Higher precision in industrial formulations.
• Uniform adhesion and performance.
• Reduces the likelihood of clumps or gel formation during dissolution.

Detailed Applications of Polyvinyl Alcohol (PVA)

Due to its unique chemical structure and properties, PVA has a broad spectrum of industrial uses:

1. Textiles and Weaving

   • Used as yarn sizing agent to enhance tensile strength.
   • Fabric coating for smooth, washable texture.

2. Adhesives and Resins

   • Core ingredient in strong adhesives like wood glue and paper glue. (Other chemicals like butyl glycol, normal butanol, toluene, xylene, CMC also used by Sepidestan Tejarat in adhesives.)
   • Used in emulsion resins for moisture resistance.

3. Pharmaceuticals and Medical

   • Coating for medicinal tablets.
   • Production of oral capsules and water-soluble materials.
   • Base for hydrogels used in wound dressing and controlled drug release.

4. Packaging Industry

   • Production of biodegradable thin films.
   • Water-soluble packaging of detergents.

5. Paper and Printing

   • Enhances surface strength and glossiness.
   • Acts as ink binder in fine printing.

6. Construction Coatings and Paints

   • Additive for improving adhesion and consistency in paints.
   • Used in polymer mortars for flexibility and bonding.

Why Choose Sepidestan Tejarat?

• Guaranteed authenticity and product quality
• Fast and secure shipping nationwide
• Free consultation for choosing the right grade for your industrial application
• Competitive pricing by removing intermediaries

Stay with Sepidestan Tejarat for your chemical raw material needs.