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What are the advantages of pva as a common film-forming material?
PVA film is water-soluble and can be dissolved in cold water. The water dissolving speed can be designed and selected, which is non-toxic and pollution-free.

Antistatic water-soluble film is an antistatic film, which is different from other plastic films and has good antistatic and water-soluble properties in use.

Moisture and gas permeability. Water-soluble films have strong permeability to water and ammonia, but are resistant to oxygen, nitrogen, hydrogen and carbon dioxide.

Heat-sealed water-soluble packaging film has good heat-sealability, which is suitable for resistance heat-sealing and high-frequency heat-sealing, heat-sealing strength and temperature, humidity and pressure.