PVA 2499 Polyvinyl Alcohol – High Viscosity Grade for Industrial Applications
Polyvinyl Alcohol 2499 (PVA 2499) is a high viscosity, high polymerization degree PVA grade, widely used in adhesives, textile sizing, paper coating, and water-soluble films.
Compared with lower viscosity grades like PVA 2488, PVA 2499 delivers:
- Stronger film strength
- Higher bonding performance
- Improved chemical resistance
At InnoNew Material, we supply stable-quality PVA 2499 with consistent viscosity and low impurity, ensuring reliable industrial performance.
Key Advantages of PVA 2499
1. High Viscosity & Strong Film Formation
Provides superior mechanical strength and flexibility in coatings and films.
2. Excellent Adhesion Performance
Ideal for high-performance adhesives, ensuring strong bonding on various substrates.
3. Superior Chemical Stability
Resistant to oils, solvents, and environmental degradation.
4. Outstanding Water Solubility
Forms uniform solutions, suitable for controlled dissolution applications.
5. Wide Industrial Compatibility
Compatible with additives such as:
- Plasticizers
- Fillers
- Crosslinking agents
Technical Specifications of PVA 2499
| Property | Specification |
|---|---|
| Appearance | White flake/crystalline powder |
| Degree of Polymerization | 2400–2500 |
| Hydrolysis Degree | 98–100% |
| Viscosity (4% solution) | 55–64 mPa.s |
| Ash Content | ≤ 0.5% |
| pH Value | 5–7 |
| Moisture | ≤ 5% |
Applications of PVA 2499
1. Adhesives Industry
- Wood glue
- Paper adhesive
- Construction adhesives
👉 High bonding strength & improved durability
2. Textile Industry
- Warp sizing agent
- Yarn protection coating
👉 Enhances fiber strength and reduces breakage
3. Paper & Packaging
- Surface sizing
- Coating binder
👉 Improves smoothness and printability
4. Water-Soluble Films
- Packaging films
- Detergent pods
👉 Excellent film-forming and dissolution properties
5. Emulsion Polymerization
- Protective colloid
👉 Stabilizes polymer particles effectively
PVA 2499 vs PVA 2488
PVA 2499 vs PVA 2488 – What’s the Difference?
| Feature | PVA 2499 | PVA 2488 |
|---|---|---|
| Viscosity | Higher | Medium |
| Film Strength | Stronger | Standard |
| Application | Heavy-duty industrial | General use |
| Cost | Slightly higher | More economical |
👉 Conclusion:
Choose PVA 2499 for high-performance applications requiring strength and durability.
Why Choose InnoNew PVA 2499?
- ✔ Stable viscosity control
- ✔ Low ash & high purity
- ✔ Consistent batch quality
- ✔ Factory direct price
- ✔ Fast global shipping
- ✔ Free sample available
We focus on industrial-grade chemical solutions, helping clients improve performance and reduce cost.
Packaging & Storage
- Packaging: 25kg paper-plastic composite bags
- Storage: Cool, dry, ventilated warehouse
- Shelf Life: 24 months
FAQ (Frequently Asked Questions）
What is PVA 2499 used for?
PVA 2499 is mainly used in adhesives, textile sizing, paper coating, and water-soluble films.
What is the difference between PVA 2499 and 2488?
PVA 2499 has higher viscosity and stronger film strength, suitable for more demanding applications.
Is PVA 2499 water soluble?
Yes, it dissolves in hot water to form a clear, stable solution.
Can I get a free sample?
Yes, we provide free samples for testing and evaluation.
Get PVA 2499 Sample & Price Today
Looking for a reliable PVA 2499 supplier?
👉 Contact us now to get:
- Free sample
- Technical support
- Competitive quotation
