Summary
OBC-R31S/L is a polymer based high temperature retarder.
OBC-R31S/L can effectively extend the thickening time of cement paste with regularity and has no effect on other properties of cement paste.
OBC-R31S/L has a rapid development of cementitious strength and is not super retarded for the top of the sealed section.
OBC-R31S/L is suitable for fresh water, salt water and sea water slurry preparation.
Technical data
|
Item |
Index(Solid) |
Index(Liquid) |
|
Appearance |
White to yellow solid |
Light yellow to reddish brown liquid |
Cement slurry performance
|
Item |
Test conditions |
index |
|
|
Thickening performance |
Initial consistency, (Bc) |
150℃/73min,94.4MPa |
≤30 |
| 40-100Bc transition time |
≤40 |
||
| Adjustable thickening time |
Adjustable |
||
| Thickening linear |
≤10 |
||
|
Free liquid (%) |
150℃/73min,94.4MPa |
≤1.4 |
|
|
24h compressive strength (MPa) |
150℃，20.7MPa |
≥14 |
|
| Solid: Grade G cement 600g; silica fume 210g; fresh water 319g; FLA OBC-32S 12g; OBC-R31S 4.5g; defoamer OBC-A01L 2g | |||
| Liquid: Grade G cement 600g; silica fume 210g; fresh water 319g;FLA OBC-32S 12g; OBC-R31L 16g; defoamer OBC-A01L 2g | |||
Usage range
Temperature: 93-230°C (BHCT).
Suggestion dosage:
Solid: 0.1%-2% (BWOC)
Liquid:1%-5%(BWOC)
Package
OBC-R31S is packed in 25kg 3-in-1 composite bags, OBC-R31L is packed in 200L plastic drums, or according to customer's requirements.
