Top Quality Calcium Lignosulphonate Factory - Retarders-OBC-H50S-OBC-H42L – Oilbayer Detail:
Summary
High Temperature Retarder OBC-H42L is a kind of polymeric retarder,which applies to wide temperature range and has high-temperature resistant ability. OBC-H42L has no adverse effect on settling stabilization、fluid loss、strength developing of cement slurry. The consistency of cement slurry with OBC-H42L is stable, and has good anti-channeling performance. It is appropriate to be used with water and has no special request for the water quality.
Usage range
Temperature: 60~190℃ (BHCT).
Recommend dosage:0.5~2.0% (BWOC).
Technical data
|
Item |
Index |
|
Appearance |
Light yellow liquid |
|
Density(20±2℃),g/cm3 |
1.15±0.05 |
|
Freezing Point, ℃ (winter) |
<-15 |
|
Thickening Time(150℃,70MPa),min |
≥240 |
| Composition of cement slurry: SD“G”cement 600g, Silica fume 210g Fresh water 290g, OBC-G80L 36g, OBC-H42L 16g,OBC-X60L 4g. | |
Packing
25kg/plastic drum. Or based on customers' request.
Storage
It should be stored in cool, dry and ventilated areas and avoid being exposed to the sun and rain.
Shelf life:24 months.
Product detail pictures:

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