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Chemical Admixture PCE Slump Retention Polycarboxylate Ether Superplasticizer As Concrete Additives

XRT-D02 is a kind of slump retaining and mud resisting agent for concrete. Under normal circumstances, the combined use of this product with high water reduction type mother liquor can significantly improve the workability and wrapping property of concrete, solve the problem of slump loss of concrete for 2-4 hours, and the serious loss of slump caused by excessive mud and powder content of sand and stone.
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  • XRT-DR

  • xinrui-te

  • 382440

Chemical Admixture PCE Slump Retention Polycarboxylate Ether Superplasticizer as concrete additives


                                                                                                                                               ------XRT-DR

Polycarboxylate Ether Superplasticizer Introduction:

XRT-DR serves as a specialized admixture for concrete, functioning as both a slump retention and clay resistance agent. Typically, when this product is used in conjunction with high-range water-reducing masterbatch, it can remarkably enhance the workability and cohesion of concrete. It effectively addresses the issue of slump loss over a period of 2 to 4 hours. Moreover, it mitigates significant slump degradation caused by the excessive amount of clay and fines in aggregates, ensuring the consistent quality of concrete mixtures.

 Polycarboxylate Ether Superplasticizer Characteristics:

1.No initial water reduction, does not increase the initial expansion and slump of concrete;

2.The water reduction performance is gradually produced after 1 hour, and the slump of concrete will increase with time by 

    increasing the amount of slump retention and mud resistance agent;

3. with resistance to clay/stone powder and temperature caused by slump loss problems;

4. The use of this product can be appropriate to reduce the amount of water reducer.

Polycarboxylate Ether Superplasticizer Concrete test data:

A. Mix proportion Unit:kg/m3

P.O.42.5

II Fly Ash

Mechanism sand fineness modulus

3.3

stone

Grade 5 to 25

Water

Water Reducer

Slump retention

425

100

880

990

170

1.9

0.38

B. Composite products are used for concrete performance test results

slump flow/slump extension(mm)

initial

1h

2h

3h

200/460

225/580

225/580

215/570

compressive strength(MPa)

3d

7d

14d

21d

19.0

30.4

35.6

42.2

Noted:The test results show that when XRT-DR is used in combination with PCE B, the initial fluidity of concrete is slightly

small, and the cohesion is basically not affected the inner concrete has good expansibility and slump retention, and the strength development meets the standard requirements.

Recommended parameters:

The dosage of total cementing material was 0.05-0.20%.



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