| http://www.w3.org/ns/prov#value | - When the water absorbent resin particles being for use in sanitary materials, it is preferable that the water absorbent particles have a weight-average particle diameter of 100 ??m to 1000 ??m, more preferably 200 ??m to 800 ??m, or especially preferably 300 ??m to 600 ??m.
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