Anti corrosion CSA expansive agent cement additive
The restrained expansion rate tested under standard condition:
Dosage in OPC (%) | Restrained-expansion rate (%) |
Curing 7d in water | Curing 7d in water then 21d in air |
TypeⅡ,7 | 0.025-0.045 | ≥-0.015 |
TypeⅡ,10 | 0.055-0.080 | ≥0 |
TYPE | Dosage in OPC(%) | Restrained-expansion rate (%) |
CSA expansive agent type1 | 7% | Curing 1d in water | Curing 3d in water | Curing 7d in water | Curing 28d in water | Curing 28d in humidity air |
0.01~0.015 | 0.02 | 0.03 | -- | >-0.02 |
CSA expansive agent type2 | 0.015 | 0.025 | 0.04 | 0.07 | 0 |
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