Product Description
Polyvinyl Alcohol (PVA)
Polyvinyl Alcohol (PVA), is a water-soluble synthetic polymer renowned for its exceptional versatility, biodegradability, and outstanding physicochemical properties. It is produced through the hydrolysis of polyvinyl acetate, resulting in a polymer whose specific characteristics-such as solubility, viscosity, and adhesion strength-can be precisely tailored by adjusting its degree of hydrolysis and polymerization. This adaptability makes PVA an indispensable material across a wide spectrum of industries.
This unique combination of tunable properties, environmental compatibility, and multifunctionality establishes PVA as a critical performance polymer in fields ranging from specialty adhesives and advanced packaging to construction materials and textile processing.
Key Features & Advantages
PVA boasts a unique combination of properties: it forms strong, flexible, and transparent films; exhibits excellent adhesive strength; and is resistant to oils, solvents, and greases. Its high oxygen barrier properties further enhance its utility in packaging. As a non-toxic and biodegradable polymer, PVA is also an environmentally conscious choice for modern applications.
Technical Specifications
PVA is typically characterized by its degree of hydrolysis (ranging from partially hydrolyzed
Functional Properties and Advantages
PVA possesses an exceptional combination of physicochemical properties that make it indispensable across industries:
√ Film-Forming Capability: Forms strong, flexible, and highly transparent films with outstanding oxygen barrier properties (when dry)
√ Adhesive Strength: Demonstrates excellent adhesion to porous surfaces like paper, wood, and textiles
√ Solubility Characteristics: Water-soluble at specific temperatures, with solubility tunable through hydrolysis degree
√ Chemical Resistance: Resistant to oils, greases, and organic solvents
√ Biodegradability: Undergoes microbial degradation in soil and water environments
√ Emulsifying & Suspending Ability: Effectively stabilizes emulsions and suspensions
Specification
|
Hydrolysis (moi%) |
Viscosity (cos) |
Volatilies (%)≤ |
Ash (%)≤ |
PH Vaiue |
|
| PVA05-88 | 870.-89.0 | 4.5-5.5 | 5.0 | 0.5 | 5-7 |
Packaging & Delivery
Package Size: 45.00cm * 50.00cm * 70.00cm
Package Gross Weight :25.100kg
Lead Time: 7 days (1 - 25 Tons)
10 days (26 - 50 Tons)
15 days (51 - 100 Tons)
To be negotiated ( > 100 Tons)
Transportation
◆Ocean Freight
◆Air Freight
◆Land Transport
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