Super Absorbent Polymer sodium polyacrylate PAA-Na
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Inspection Items |
Unit |
Standard |
Inspection result |
Appearance |
\ |
White granule |
White granule |
water content |
% |
≤7% |
≤7% |
Particle size |
mesh |
60--80mesh |
60--80mesh |
Water sopping ratio (purewater) |
g/g |
≥ 350 |
≥ 350 |
Sop physiology brine (0.9% Nacl ) |
g/g |
54±1 |
54 |
Water-keeping ratio (0.9% Nacl) |
g/g |
35±1 |
35 |
Absorption under pressure
|
0.3MPa |
33±1 |
33 |
0.1Mpa |
22±1 |
22 |
|
Absorbing Rate |
Second |
≤ 45S |
≤ 45S |
PH value |
\ |
6--8 |
7 |
Apparent specific gravity |
g/cm3 |
0.6-0.8 |
0.7 |
Residual monomer (Acrylic acid) |
ppm |
≤ 300 |
≤ 300 |
Packing: 25 Kg/Kg
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