AQUPAANA is partially neutralized polyacrylic acid that is manufactured by Sumitomo Seika based on our many years of experience in polymerization technology.
AQUPAANA is spherically shaped for excellent fluidity and its dust doesn\'t rise easily.


  • Adhesive base materials for poultices, cooling sheets, and face masks.

Physical Properties

  • Appearance: White powder
  • Bulk density: 0.85 - 0.95 g/ml
  • Particle size: 50 - 100 µm
Product Loss on drying

0.2% Viscosity


pH Residual monomer



AP-40F 5% or less 500 - 800 5.5 - 6.5 1.0% or less 20
AP-50 5% or less 500 - 800 6.0 - 7.0 1.0% or less 20
AP-70 5% or less 500 - 800 6.5 - 7.5 1.0% or less 20
  • Viscosity measurement condition: BROOK FIELD viscometer, 25 ºC, 30 rpm
  • NOTE: These values are typical values of the product; they are not specified values.

Aqueous solution properties

Stability of aqueous solution viscosity

Safety of product

AQUPAANA is listed in the Japanese Pharmaceutical Excipients. We have conducted safety testing as described below.

  • Acute oral toxicity test
  • Skin irritancy test
  • Ocular membrane irritancy test
  • Skin sensitization test
  • Mutagenicity test using microorganisms(Ames test)

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