| abstract |
Provided is a water-absorbing agent which has an excellent ability to absorb water and hold the water and also has an excellent liquid-sucking ability. The water-absorbing agent contains a polyacrylic acid (salt)-type water-absorbable resin as the main component, and meets all of the following physical requirements (a) to (e): (a) the weight average particle diameter (D50) is 300 μm or more and less than 400 μm; (b) the content of particles each having a particle diameter of 600 μm or more and less than 850 μm is less than 10% by weight; (c) the average gap radius is 100 μm or more and less than 180 μm; (d) the CRC is 28 g/g or more and less than 34 g/g; and (e) the AAP is 24 g/g or more. |