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Education - PVA

Key Features of PVA

  • 3D open-cell structure(interconnected pores)
  • Rapid fluid absorption
  • Extremely fast wicking
  • High fluid retention
  • Lint-free, fiber-free and Particulate-free
  • High tensile strength & abrasion resistance
  • Adjustable Pore Size
  • Soft and comfortable when wet, similar to the natural sponge
  • Bio-compatible with human-body, anti-adhesive, and low irritation

Production Flow of PVA Foam

Air-Foaming Technology

  • Purified air to form the pores of the sponge material
  • Without any chemical additives in pore-forming process
  • High quality and ultraclean without any residue
  • Purified air to form the pores of the sponge material
  • Without any chemical additives in pore-forming process
  • High quality and ultraclean without any residue

Cleanness

Air-Foaming vs. Starch-Foaming

Type

Cleanness

Starch-Foaming

Particles inside the Starch Foam can’t be completely removed through all the manufacturing procedures. Thus, the starch particles are easily dropped out from the PVA materials during the surgical procedures.

Air-Foaming

Clean

Pores or Cavities

Pores or cavities inside Starch foams are not connected to each other (close-cell)

Pores or cavities inside Air foams are connected to each other (open-cell).

Fluid Absorption

Poor

Good

Fluid Absorption

Stiff

Comfort

Risk of Bacterial Growth

High

Low

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