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Compound Superplasticizer

Pumping Agent

The high-efficiency pumping water reducing agent is a high-performance concrete admixture developed by our company....
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High-efficiency Pumping Water Reducing Agent

Description

The high-efficiency pumping water reducing agent is a high-performance concrete admixture developed by our company. the characteristics are high water reduction rate and good slump-loss retarding, which could delay the concrete setting time and reduce the slump loss.


Standards Compliance

It complies with ASTM C 494, Type D,F and G specifications.


Main Use & Advantages

The powder of Normal dosage is 0.16%-0.3%. and can be added into concrete together with water which is used in mixing. But it will get better performance if mix it with water firstly. It can be widely used in water conservancy project, electrical power project, port project, railway project, bridge project, highway project and main structure cement casting of civil building.It is also an excellent dispersion plasticizer suitable for gypsum, ceramic, and other mineral materials.It always be used in high strength concrete, high performance concrete, mass concrete and high quality flow plastic concrete.

– High-efficient water reduction up to 30%

– Excellent stability, providing long working time

– Unique homogeneous plasticizing property, thus preventing segregation and bleeding


The high-efficiency pumping water reducing agent have both of powder and liquid. The appearance is light gray, non-toxic, non-combustible, free of chloride ions, and has no rust effect on steel bars; Under the condition that the concrete mix ratio remains unchanged,add 1.2% of powder could make the slump increased more than 10crn, so that pumping concrete without bleeding, non-segregation and good pumping performance can be prepared; This product can delay the concrete setting time by 1.5-6h, and the setting time can be adjusted arbitrarily according to the project needs; The optimum operating temperature for high-efficiency pumping water reducing agents is 15-40 °C.


1.The suitable dosage of the high-efficiency pumping water reducing agent is 1-2%;

2.When using this product, it should be measured accurately, ensure the mixing time, and ensure the pumping water reducing agent is evenly dispersed in the concrete.

3.The method of vibrating the concrete with this product is the same as that of ordinary concrete. When the slump is high, it should be noted that the vibrating time is not too long to prevent stratification.

4.Before the initial use or exchange the cement varieties, should be tested before it be used by customers.


Typical Properties

Test Items

JC473-2001 index

Test Results

First grade

Regular grade

Slump increase value,mm

≥100

≥80

120

Pressure bleeding rate,%

≤90

≤95

25

Gas content,%

≤4.5

≤5.5

3.0

Slump retention,mm

30min

≥150

≥120

160

60min

≥120

≥100

140

Compressive,%

3d

≥90

≥85

137

7d

≥90

≥85

126

28d

≥90

≥85

120

28d Shrinkage,%

≤135

115

Corrosion of steel bars

No corrosion

N/A

notes:The dosage is 1.2%


Packing ,Storage and Transportation

1.Packed in plastic woven bags and lined with plastic bags. The net weight of each bag is 30kg-40kg. Other packaging can also be used according to user needs.

2.Prevent the sharp objects from being scratched and to avoid breaking the bag and getting wet during transport. If it is damp could be dried, crushed then sieved for use.

3.This product should be stored in a dry and ventilated dedicated warehouse, valid for one year.


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