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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, SAP in Disposable Diapers
appearance: white crystal.
Free absorbency of Distilled water:450~550 g/g
Free absorbency of saline solution: 50 min. g/g
Centrifugal Retention capacity: 35 ming/g
Absorbency under Load 0.3 psi,: 26 min.
Absorbency under Load 0.7 psi,: 20 min,
Absorption speed (by vorlex Method): 60 s max.
Moisture: 7.0% max.
Packing: in 20 kgs bags without pallet, 20 or 21mt in one 20'gp.
Superabsorbent polymers are now commonly made from the polymerization of acrylic acid blended with sodium hydroxide in the presence of an initiator to form a poly-acrylic acid sodium salt (sometimes referred to as sodium polyacrylate). This polymer is the most common type of SAP made in the world today.
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