Short Description:
Scope of application Temperature: 93℃-230℃ (BHCT).Dosage: recommended dosage is 0.1%-2.0% (BWOC).
Packaging FC-R30S is packaged in 25kg three-in-one composite bag, or packaged according to customer requirements.
Remarks FC-R30S can provide liquid product FC-R30L.
Keywords:
FC-R30S Polymer high-temperature retarder
Category:
Details Description
Retarder helps extend the thickening time of cement slurry in order to keep it pumpable, which, therefore, ensures sufficient pumping time for a safe cementing project.
• FC-R30S is a type of polymer high-temperature retarder.
• FC-R30S can effectively extend the thickening time of cement slurry, with strong regularity, and has no impact on other properties of cement slurry.
• FC-R30S develops rapidly on the strength of set cement, and does not exceed the retarding of the top of isolation interval.
• FC-R30S is applicable to slurry preparation of fresh water, salt water and sea water.
FC-R30S decreases the rate of cement hydration, acting in a manner opposite to that of accelerators. They are used at High Temperatures to allow time for mixing and placement of the Cement Slurry.
| Product | Group | Component | Range |
| FC-R30S | Retarder HT | AMPS polymer | 93℃-230℃ |
Item | Index |
Appearance | White or yellowish solid |
Item | Test condition | Index | |
Thickening performance | Initial consistency, (Bc) | 150℃/73min, 94.4MPa | ≤30 |
40-100Bc transition time | ≤40 | ||
Adjustability of thickening time | Adjustable | ||
Thickening linearity | ≤10 | ||
Free liquid (%) | 150℃/73min, 94.4MPa | ≤1.4 | |
24h compressive strength (MPa) | 150℃, 20.7MPa | ≥14 | |
Grade G cement 600g; Silicon powder 210g; Fresh water 319g; FC-610S 12g; FC-R30S 4.5g; Defoamer FC-D15L 2g | |||
Concrete retarders are the mixture that slows down the chemical process of hydration so that the concrete remains plastic and workable for a long time, retarders are used to overcome the accelerating effect of high temperatures on establishing the properties of concrete in hot climates. Retarder can effectively prolong the thickening time of cement slurry so as to ensure a successful cementing operation. Foring chemicals has FC-R20L, FC-R30S and FC-R31S series to be used in different applications.
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