Polyvinyl alcohol (PVA) is not a plastic; it is a polymer compound primarily used in industrial production, such as in coatings, paper, and fibers.
PVA is not classified as a plastic because it is a polymer compound mainly used as a solvent, thickener, and dispersant, while plastics typically refer to synthetic resins. Their applications differ. Furthermore, PVA has good film-forming properties and adhesion, so it is often used as an additive in adhesives and films, further demonstrating its difference from plastics.
PVA can also be used in medical dressings, pharmaceutical packaging, and food packaging. It has good safety and biocompatibility and can be absorbed by the human body.
When using PVA and its products, environmental protection should be considered to avoid indiscriminate disposal that causes white pollution. At the same time, it is essential to ensure that the PVA used complies with relevant national standards to guarantee product quality and safety.
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