Summary
OBC-R12S is an organic phosphonic acid type medium and low temperature retarder.
OBC-R12S can effectively extend the thickening time of cement slurry, with strong regularity, and has no effect on other properties of cement slurry.
OBC-R12S is suitable for the preparation of fresh water, salt water and sea water.
Technical data
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Item |
index |
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Appearance |
White powder |
Cement slurry performance
|
Item |
Test conditions |
index |
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|
Thickening performance |
Initial consistency, (Bc) |
80℃/45min,46.5MPa |
≤30 |
| 40-100Bc transition time |
≤40 |
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| Adjustable thickening time |
Adjustable |
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| Thickening linear |
Normal |
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|
Free liquid (%) |
80℃,normal pressure |
≤1.4 |
|
|
24h compressive strength (MPa) |
80℃, normal pressure |
≥14 |
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| Cement slurry composition: G grade cement 800g,fresh water 308g,Retarder OBC-R12S 1g,Defoamer OBC-A01L 4g. | |||
Usage range
Temperature: 30-110°C (BHCT).
Suggestion dosage: 0.1%-3.0% (BWOC).
Package
OBC-R12S is packed in a 25kg three-in-one compound bag, or packed according to customer requirements.
Remark
OBC-R12S can provide liquid products OBC-R12L.
