Retarders-OBC-H50S-OBC-H21L

Short Description:

OBC-H21L is a kind of retarder mixed by organic acid which is used to prolong the thickening time of cement slurry and has no influence on other properties of cement slurry. It is appropriate to be used with water and has no special request for the water quality. The retarder dosage is not sensitive and there is no mutation point. Usage range Temperature: 38~110℃ (BHCT). Recommend dosage:0.1~1.0%  (BWOC). The dosage will be significantly increased when used upon 100℃。 Technical data Ite...


Product Detail

OBC-H21L is a kind of retarder mixed by organic acid which is used to prolong the thickening time of cement slurry and has no influence on other properties of cement slurry. It is appropriate to be used with water and has no special request for the water quality. The retarder dosage is not sensitive and there is no mutation point.

Usage range

Temperature: 38~110℃ (BHCT).

Recommend dosage:0.1~1.0%  (BWOC).

The dosage will be significantly increased when used upon 100℃。

Technical data

Item

Index

Appearance

Brown liquid

Density(20±2℃),g/cm3

1.10±0.05

Pour Point, ℃ (winter)

<-5

Thickening Time(50℃,20MPa),min

≥150

Composition of cement slurry: SD“G”cement 800g, Fresh water 308g, OBC-G80L 50g,  OBC-H21L 3g,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.

 


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