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Testing Item | FDN-AA Powder |
Moisture Content | ≤8% |
Fineness0.315mm Residue on Sieve | ∠15% |
PH Value | 7-9 |
Chloride | ≤ 0.1 |
Sodium Sulfate | ≤ 5% |
Total Alkali Quantity | ≤ 10 |
Insoluble | ≤ 0.5 |
Liquidity of Cement Paste | 195mm--260mm |
Performance Indexes of Concrete mixed with FDN-A
Testing Item | Standard | Testing Result | Testing Item | Standard | Testing Result | ||
Water Reduction | ≥14% | ≥ 21% | Compressive Strength(%) | 1d | ≥ 140 | ≥ 170 | |
Ratio of Bleeding | ≤90% | ≤ 80% | 3d | ≥ 130 | ≥ 160 | ||
Air Content | ≤ 3.0% | ≤ 2.0% | 7d | ≥ 125 | ≥ 145 | ||
Temporal Distribution for Setting | Initial | -90--120 | -90--120 | 28d | ≥ 120 | ≥ 125 | |
Final setting | Shrinkage(%) | 28d | ≤135 | ≤ 135 | |||
Corrosion on Steel Bar | ----------- | ------------ |
concrete admixture,cement additive,water reducing agent