Polyvinyl Alcohol (PVA) is a high-performance synthetic polymer renowned for its exceptional solubility, film-forming capabilities, and non-toxic nature. As a versatile water-soluble polymer, it serves as a critical additive across construction, textile, and daily chemical industries, providing superior binding strength and stability to a wide array of industrial formulations.
Our premium PVA powder, available in various grades such as 17-88, 17-92, and 17-99, is engineered to meet rigorous technical specifications. Whether used as an emulsion stabilizer for polymerization or a high-strength binder for dry-mix mortars, our PVA ensures optimized adhesion, improved flexibility, and enhanced durability for your end products.
Detailed Parameters
| CAS No. | 9002-89-5 | Molecular Formula | [C2H4O]n |
|---|---|---|---|
| Appearance | White particle or powder | Classification | Specialty Chemicals / Additives |
| Solubility | Water-soluble | Dissolution Temp (17-92) | 75~80 ℃ |
| Glass Transition Temp | 85 ℃ (for PVA 17-99) | Saponification Value | 3-12mg KOH/g (for 17-99) |
| Main Types | 1788 / 2488 / 1792 / 1799 | Origin | Hebei, China |
Key Advantages
Superior Adhesion
Significantly enhances cohesive strength and bonding performance in putty and mortars, preventing delamination.
Optimized Setting
Accelerates cement setting speeds and improves early-stage strength for exterior wall applications.
Excellent Film Formation
Creates a denser, harder, and brighter surface film, increasing resistance to scrubbing and wear.
Water Resistance
Improves the water-resistance of coatings and prevents powdering when applied in thin batches.
High Flexibility
Works synergistically with cellulose ethers to prevent peeling and cracking in gypsum materials.
Non-Toxic & Safe
Eco-friendly, non-irritating to human skin, and safe for use in daily chemical products.
Product Gallery
Management Platforms
Raw Material Sourcing
Strict quality control of precursors to ensure high purity and consistency in every batch.
Precision Production
Advanced polymerization processes to achieve exact molecular weights and saponification levels.
Quality Assurance
Rigorous testing for viscosity, dissolution temperature, and purity before shipment.
Storage Management
Controlled cool, dry, and fireproof warehousing to maintain product stability.
Application Support
Technical guidance on blending PVA with HPMC or RDP for optimized mortar performance.
Logistics Optimization
Efficient global supply chain ensuring timely delivery of moisture-proof packaged powder.
Investment Return Comparison
| Performance Metric | Standard PVA | Premium Grade PVA | Expected Return |
|---|---|---|---|
| Bonding Strength | Average | Ultra-High | Lower Material Waste |
| Surface Fineness | Rough | Smooth/Dense | Reduced Polishing Time |
| Cracking Risk | Moderate | Very Low | Reduced Call-backs |
| Workability | Standard | Enhanced | Faster Installation |
| Durability | Basic | Extended | Higher Client Value |
Frequently Asked Questions
PVA 17-99 is more resistant to solvents like benzene and chlorinated hydrocarbons than 17-88. It also has a higher dissolution temperature (90-95°C) and different gelation properties when reacting with borax.
It improves the setting speed and early strength of the putty, ensures excellent film formation and durability, and prevents powdering even in thin applications.
Yes, PVA is often used together with cellulose ether water-retaining agents (like HPMC) to enhance flexibility, bonding strength, and water retention in cement and gypsum mortars.
PVA should be stored in a cool, dry warehouse. It is essential to keep the product moisture-proof and protected from open fires to prevent degradation.
Adding a small amount of PVA significantly reduces the phenomenon of delamination and scarring during grinding while improving the final surface fineness.
Yes, Polyvinyl Alcohol is non-toxic and non-irritating to human skin, making it suitable for various industrial and daily chemical applications.
