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BS100T type fluid loss additive has excellent water loss reducing effect. When used in experiments at temperatures below 110 ℃, the water loss can be reduced to below 50ml. It has no adverse effects on the fluidity of cement slurry and the strength of cement paste, and can make the water loss of cement slurry zero.
Project | indicators |
Appearance | white powder |
Moisture,% | ≤3.0 |
Water loss (6.9MPa、80℃、30min),ml | ≤50 |
Free water content of cement slurry (80℃),% | ≤1.4 |
Initial consistency,Bc | ≤30 |
Thickened linear | normal |
Time elapsed between 40Bc and 100Bc,min | ≤30 |
Compressive strength(24h,102℃,21MPa ),MPa | ≥14 |