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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.


Appearance: white powder

Bulk density: 0.85 - 0.95 g/ml

Particle size: 50 - 100 μm


Loss on drying  

0.2% Viscosity 


pH Residual monomer  
AP-40F 5% or less 500 - 800 5.5 - 6.5  1.0% or less
AP-50 5% or less 500 - 800 6.0 - 7.0 1.0% or less
AP-70 5% or less 500 - 800 6.5 - 7.5 1.0% or less

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)