• Naphthalene Superplasticizer Powder Construction Chemicals for Concrete JF-2 System 1
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Naphthalene Superplasticizer Powder Construction Chemicals for Concrete JF-2

Naphthalene Superplasticizer Powder Construction Chemicals for Concrete JF-2

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Loading Port:
Qingdao
Payment Terms:
TT OR LC
Min Order Qty:
1000 kg
Supply Capability:
500000 kg/month

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Naphthalene Superplasticizer Powder Construction Chemicals for Concrete JF-2

Naphthalene Superplasticizer Powder Construction Chemicals for Concrete JF-2

Description:

Naphtalene superplasticizer is a high range water reducer,it is a kind of concrete admixture, it water reducing rate 25%

Superplasticizer are widely used in building construction ever since the 1930s.


 Features and Benefits:

      

      1. Non-toxic, non-irritating and no corrosion to steel bars.

 

      2. High water reducing rate: over 25%.

 

      3. Strengthening ability.

 

      4. Improving concrete durability and impermeability.

 

Naphthalene Superplasticizer Powder Construction Chemicals for Concrete JF-2

Applications

JF- 2 superplasticizer is used in concrete in industrial and civil buildings, hydraulic engineering, transport system,

port engineering, and municipal engineering.
JF-2 superplasticizer is used in ready mix plants and precast concrete plants.
JF-2 superplasticizer is especially for concrete with slump more than 20 cm.
JF-2 superplasticizer can be used in pumping self-compacting concrete, self-leveling grouting materials.
JF-2 superplasticizer is suit for concrete with the requirements of high early strength, low permeability.
JF-2 superplasticizer can be used in concrete curing either in steam or in air.
JF-2 superplasticizer is especially suitable for steam curing concrete products.

Properties

*Excellent water reducing ability. JF- 2 can significantly reduce 15% ~30% mixing water in concrete with 0.5%~1.5%

 dosage by binder mass.

*Enhance physical and mechanical properties of concrete.
*Improve workability; reduce cement content (15%~20%).
*Excellent compatibility with ordinary cement.

Naphthalene Superplasticizer Powder Construction Chemicals for Concrete JF-2

Usage

Powder JF-2 can be added in concrete directly with longer mixing time in later admixing method.

Uniformity

Item

Results

Item

Results

Appearance

Powder

yellow brown powder

Cement paste fluidity(mm)

≥220

Sodium sulfate (%)

<18

pH  Value

7-9

Chloride ion (%)

negative

Fineness(0.315mm),<< span="">

15%

Density

1.21±0.02 g/ml

Concrete performance with 0.75% powder JF-2 by binder mass

Test item

Quality index

Results

Standard

Set Retarding

Water reducing rate (%), ≥

14

14

18.0

Ratio of bleeding rate (%), ≤

90

100

0

Air content (%), ≤

3.0

4.5

2.3

Difference in setting time(min)

Initial setting

-90~+120

﹥+90

-63

Final setting

-21

Ratio of compressive strength (%), ≥

1d

140

180

3d

130

178

7d

125

125

161

28d

120

120

126

Ratio of shrinkage(%), ≤

28d

135

117

Recommended dosage for powder JF-2

Strength degree

Slump(cm)

Dosage(%, by binder)

Strength degree

Slump(cm)

Dosage(%, by binder)

C40

8-10

0.5

C40

20-22

1.00

C50

8-10

0.75

C50

20-22

1.20

C60

8-10

1.0

C60

20-22

1.50

Experiment must be done when changing cement and aggregate type.

Naphthalene Superplasticizer Powder Construction Chemicals for Concrete JF-2

Packaging, transport and storage

*Powder JF-2 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-2  is two year  under normal 

conditions. If storage has surpassed the time, test must be done to confirm the validity.

FAQ   

1.Q: What is MOQ?

  A: Our MOQ is 1 TON. 

2.Q: Could you offer free sample?

  A: We can provide free samples to you for quality testing. 

3.Q: What about your packing?

  A: For liquid: Flexitank, or IBC tank 1000L

For powder:Woven fabric bag with plastic film liner(  25kg or 1000kg)

 Clients’ packing is workable.

4.Q: How about your productive capacity?

  A: 150000 tons/Year. 

5.Q: What is your delivery time?

  A: Within 7 days after received deposit or L/C at sight.




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