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Site mixed pumping agent JF-14

Category

Naphthalene series


Detail

Applications

1. J-14 has the effect of delayed coagulation, when it mixed use with other admixture, test must be done to confirm the validity.

2.when JF-14 is first used, it must be mixed according to above introduction in the testing laboratory.

3. JF-14 is suitable for mixing concrete which grade is ≤ 60.

Properties

Liquid dosage: 1.4~2.4%, power dosage: 0.75-1.5%, water-reducing rate: 13-26%.

The same cement water ratio with JF-14 can improve incipient slump constant of concrete 10cm above,and it is suitable for transporting goods concrete at long bowls.

Greatly improved the workability、moisture retention、cohesiveness of JF-14, and can reduce pipeline pressure when pump.

There is delayed coagulation in initial set, can reduce the early rate of exothermic reaction during hydration and be favorable to pour concrete in mass.

To improve and change the pressive strength、rupture strength、tensile-strength、impermeability、lasting quality of concrete.

JF-14 applies to concrete work under the condition of -5℃-40℃.

Impervious gradation of mortar can be P8-P10, impervious gradation of C30 concrete can be P14. The highest impervious gradation of concrete can be P40.

Uniformity

Item
Results

Results

Item

Results

Appearance

Power

Isabelline powder

Fineness(0.315mm),<

5%

liquid

Tan liquid

pH  Value

7-9

Liquid density (20℃)

1.18±0.02 g/ml

Chloride ion (%)

≤0.6%

Moisture content (%)

5±1%

Cement paste fluidity(mm)

≥210

Concrete performance with 1.7% dosage by binder mass

Test item

Quality index

Results

Water reducing ratio(%),≥

12

20.5

ratio of bleeding rate(%),≤

70

15

Air content(%),≤

5.5

3.6

1h change(mm)

Slump(mm)

≤80

28

Ratio of compressive strength
(%), ≥

3d

-

-

7d

115

141

28d

110

112

Ratio of shrinkage(%),≤

28d

135

120

Reinforcement corrosion hazard

Explanation of Reinforcement corrosion hazard must be done

None

Conclusion: the project is in line with acceptable end product index of “pumping agent” in GB8076-2008

Packaging, transport and storage

Powder JF-14 is available in 25kg film-lined bags. Other special package can also be available according to prior consultation.

Special measures should be taken to ensure entire package. Keep waterproof during transportation.

Dry and well ventilated warehouse is needed for storage. Quality guarantee of JF-14 is two year under normal conditions. If storage has surpassed the time, test must be done to confirm the validity.

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