SAP Function
SAP Function
SAP can be used for a disposable diaper, incontinent underpads, water holding agents for agricultural/horticultural use, industrial dewatering agents, etc.
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 (pure water) | 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 |