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Item | Standard |
Appearance | White granular |
Grain size | 20-40mesh |
pH value | 7.0 |
Water absorption ratio (pure water) | ≥350g/g |
Absorption in 0.9% NaCl | ≥50g/g |
Retention capacity after Centrifugation | 300g/g |
moisture content | ≤8% |
Gel intensity | Strong |
Product stability in soil | 2-3 year |






















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