The difference between PVA and PVC

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The difference between PVA and PVC

The difference between PVA and PVC
March 24, 2020

PVA (Polyvinyl Alcohol) and PVC (Polyvinyl Chloride) are two different polymers with distinct properties and uses.


Composition: PVA is a water-soluble synthetic polymer derived from vinyl acetate monomer. PVC, on the other hand, is a thermoplastic polymer derived from vinyl chloride monomer.

Solubility: PVA is highly soluble in water, while PVC is not soluble in water.

Physical Properties: PVA is a flexible, transparent, and typically white solid. It can form films and exhibits excellent adhesive properties, making it suitable for applications such as glue, coatings, and packaging. PVC, on the other hand, is a rigid, white or grey material that can be molded, shaped, and extruded into various products like pipes, fittings, and vinyl flooring.

Chemical Resistance: PVA is susceptible to degradation in the presence of acids, alkalis, and organic solvents. PVC, on the other hand, is generally resistant to acids and alkalis, making it suitable for applications where chemical resistance is required.

Biodegradability: PVA is considered biodegradable under certain conditions, while PVC is not readily biodegradable and can persist in the environment for a long time.

Applications: PVA is commonly used in various industries such as adhesives, packaging, textiles, and papermaking due to its adhesive properties and water solubility. PVC is widely used in construction, electrical insulation, piping systems, and vinyl products.


In summary, PVA and PVC are distinct polymers with different properties and applications. PVA is water-soluble, adhesive, and flexible, while PVC is rigid, chemically resistant, and commonly used in construction applications.



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