Sodium polyacrylate, also known a waterlock, is a sodium salt of polyacrylic acid. It has the ability to absorb as much as 200 to 300 times its mass in water.
It can be mainly divided into three major categories which are Hygiene grade, Agriculture grade and Industry grade. The main uses of SAP are absorbing, retaining or to block liquid.
Applications and Main Model
SAP for diaper has good permeability , strong absorptive capacity and maintenance ability. It will not happen to return infiltration phenomenon under a certain pressure.
For Lady Sanitary Napkin
SAP for sanitary napkin has fast suction of blood, high absorption capacity, good gel strength and moisture resistance. The strong absorption capacity and water retention ability in women`s sanitary napkin can keep dry and comfortable.
Main Products Model
|Absorption in 0.9% NaCl (g/g)||≥58||≥62||≥58|
|Retention Capacity after Centrifugation (g/g)||≥36||≥36||≥32|
|Residual Monomer As AA (PPM)||≤300||≤300||≤300|
|Moisture Content (%)||≤6.0||≤6.0||≤6.0|
|Absorption under Pressure (0.3psi)||≥19||≥28||≥29|
|Absorption under Pressure (0.7psi)||/||≥14||≥18|
|Advantage||Absorption Ability in Blood||Absorption and Retention Capacity||Absorption under Pressure|
|Main Application||Sanitary towel, Nursing Pad and Pet Mat||Baby and Adult Diapers||Baby and Adult Diapers|