Baby Diaper
Baby Pull Up Pants
Adult Diaper
Sanitary Napkin
Wet Wipes
Tissues Paper
Disposable Cotton Soft Towel
Pet Diaper
II. How the Two Key Indicators Affect Baby's Skin Health
Absorption speed (national standard: ≤60 seconds) refers to the time required for a diaper to absorb a fixed volume of liquid. The faster the absorption, the shorter the window of time that urine remains in contact with the baby's skin. Infant skin has a thin stratum corneum and weak barrier function; prolonged exposure to urea, salts, and ammonia (produced by urea decomposition via urease) in urine disrupts the skin's weak acidic environment, triggering irritant contact dermatitis — commonly known as diaper rash. Rapid absorption significantly reduces this risk.
Rewet value (national standard: ≤10g) refers to the amount of liquid that returns to the surface layer under a specified pressure after the diaper has absorbed a certain volume of liquid. The lower the rewet value, the stronger the SAP's liquid-locking ability, and the less liquid is "squeezed back" to the surface under pressure — resulting in a drier top layer. A high rewet value means that with every movement and compression, dampness is re-applied to the baby's skin, increasing friction-related damage and creating a breeding ground for bacteria and Candida fungi. In short, absorption speed addresses "liquid contact time," while rewet value addresses "long-term dryness" — together, they form the baseline defense for diaper rash prevention.