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Chemical Admixture PCE Slump Retention Polycarboxylate Ether Superplasticizer As Concrete Additives

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Chemical Admixture PCE Slump Retention Polycarboxylate Ether Superplasticizer As Concrete Additives

XRT-DR 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.

Product name:	Chemical Admixture PCE Slump Retention Polycarboxylate Ether Superplasticizer as concrete additives
Appearance:	Colorless or light yellow viscous liquid
Density(g/cm3):	1.10±0.02
pH at 23:	5-7
Solid content:	40.0±1.0 50.0±1.0
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Model:
XRT-DR
Brand:
xinrui-te
Code:
382440

Product Description

Polycarboxylate Ether Superplasticizer Introduction

XRT-DR is a special concrete additive with slump retention and anti-clay performance. As an Anti-Clay PCE Superplasticizer mixed with a high-efficiency water-reducing base liquid, it greatly improves concrete workability and stickiness. This High Slump Retention Water Reducer for Clay Aggregate Concrete maintains concrete slump for 2–4 hours and prevents a slump drop caused by excess clay and fine particles in the raw materials, ensuring steady, reliable concrete quality.

Polycarboxylate Ether Superplasticizer Characteristics

◆ No initial water reduction, does not increase the initial expansion

and slump of concrete;

◆ 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;

◆ With resistance to clay/stone powder and temperature caused by slump loss

problems;

◆ The use of XRT-DR Polycarboxylate Ether Superplasticizer 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 C, the initial fluidity of concrete is slightly smaller, and the cohesion is basically not affected. The inner concrete has good expansibility and slump retention,

and the strength development meets the standard requirements.