SAP( Super Absorbent Polymer).
chemical name: Polyacrylic acid sodium salt, sodium polyacrylate
CAS No. 9003-04-7
SAP For Sanitary Napkins,SAP for sanitary towel, SAP for feminine hygiene,SAP for Agriculture,Super Absorbent Polymer,SAP For Diaper,

Free absorbency of Distilled water:500~600  g/g
Free absorbency of saline solution: 60 min.   g/g 
Centrifugal Retention capacity: 40 ming/g
Absorbency under Load 0.3 psi,: 22 min. 
Absorption speed (by vorlex Method): 40 s max.
Moisture: 7.0% max.  
Packing: in 20 kgs bags without pallet, 20 or 21mt in one 20'gp.