Water-absorbent resin particles, method for evaluating liquid leakage of water-absorbent resin particles, and method for producing water-absorbent resin particles
PROBLEM TO BE SOLVED: To provide water-absorbent resin particles capable of suppressing liquid leakage. SOLUTION: The water absorbent resin particles 10a have a light transmittance of 20% or more at a wavelength of 425 nm when swollen 30 times with physiological saline. [Selection diagram] Figure 1【課題】液体漏れを抑制可能な吸水性樹脂粒子を提供すること。【解決手段】生理食塩水で30倍に膨潤させたときの波長425nmにおける光透過率が、20%以上である、吸水性樹脂粒子10a。【選択図】図1