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High absorption capacity in saline solutions (0.9% NaCl), typically exceeding 30 g/g.
Excellent gel strength and retention under pressure, minimizing rewetting in demanding applications.
Fast absorption kinetics—reaches >90% of maximum capacity within 60 seconds in aqueous environments.
Consistent particle size distribution for uniform dispersion and processability in manufacturing.
Low extractable content and compliant with major global regulatory frameworks for non-food industrial use.
Hygiene products: Core absorbent material in premium baby diapers, adult incontinence pads, and feminine care products.
Agricultural water retention agents: Incorporated into soil amendments and seed coatings to enhance drought resistance.
Industrial packaging: Used in spill containment pads and moisture-absorbing liners for sensitive electronic or pharmaceutical shipments.
Civil engineering: Component in swelling seals and joint fillers for waterproofing underground structures and tunnels.
Horticultural substrates: Integrated into potting mixes and hydroponic media to improve water-use efficiency and root zone stability.
| Chemical Type | Crosslinked sodium polyacrylate |
| Product Form | Free-flowing white granular powder |
| Appearance | Off-white to light beige granules, no visible dust or clumps |
| Particle Size Range | 150–850 μm (≥90% by weight) |
| Absorption in 0.9% NaCl | ≥30 g/g (centrifuge retention test) |
| Gel Strength (20 g/g swollen gel) | ≥15 kPa (measured by texture analyzer) |
| pH of 1% Aqueous Slurry | 5.5–7.0 |
| Residual Monomer (Acrylic Acid) | <10 ppm |
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E-mail: wangxingqiang@ericwchem.com
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