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High Range Water Reducer SNF PNS FDN NSF Sodium Naphthalene Sulfonate Formaldehyde with Low Price

Sodium Naphthalene Sulphonate water reducing agent is a synthetic powder based onbeta-sulphonate formaldehyde ondensate and reactive polymer.

It has the properties of high range water reduction, set retarding and excellent strengthening.
Sodium sulfate is less than 10% , suitable to middle strength or high strength concrete where high range water reduction is desired.
Solid Content:
Appearance:
PH Value:
Product name:
Surface Tension:
Availability:
Quantity:
  • XRT-SNF

  • xinrui-te

  • 382440

High Range Water Reducer SNF PNS FDN NSF Sodium Naphthalene Sulfonate Formaldehyde with Low Price

                                                                                                                          

                                                                                                                                                           ------XRT-SN


PNS

Sodium Naphthalene Sulfonate Formaldehyde  Introduction

Sodium Naphthalene Sulphonate water-reducing agent is a synthetic powder formulated from β-sulphonate formaldehyde condensate and reactive polymers. It features high-range water reduction, set-retarding properties, and excellent strength-enhancing performance. With a sodium sulfate content of less than 10%, it is ideal for medium-to-high strength concrete requiring significant water reduction.


Sodium Naphthalene Sulfonate Formaldehyde Usage Instructions

◆ Dosage

      Blending dosage: 0.5%–1.0% (by weight of cement), with a recommended dosage of 0.6%.

      Adjust dosage based on specific mix design and performance requirements.

◆ Solution Preparation

       Prepare aqueous solutions as needed, following standard mixing procedures for concrete admixtures.

◆ Application Methods

      The powder agent can be used directly.

      Alternatively, add the agent to the mix followed by water addition, maintaining a water-to-cement ratio of 60% 

      (or as  specified in  the mix design).

Sodium Naphthalene Sulfonate Formaldehyde Parameters&accepttance criteria

INDEXITEM

SNF-A

SNF-B

SNF-C

Appearance

Light brown powder

Light brown powder

Light brown powder

Solid Content

≥92

≥92

≥92

Sodium sulphate Content

5%

10%

<18%

Chloride Content

0.3%

0.4%

0.5%

PH  Value

7-9

7-9

7-9

Net Starch Fluidity

≥250 mm

≥240 mm

≥230 mm

Surface Tension

70±1×10-3N/M

70±1×10-3N/M

70±1×10-3N/M

Parameters&accepttance criteria(For reference)

A.SNF-A

Parameters

Criteria

Actual Results

Parammeters

Criteria

Actual Results

Water reduction,Min %

≥14

18-28

Compression strength,%

1d

≥140

170

Water Penetration,Max %

≤90

79

3d

≥130

160

Air Content,%

≤3.0

1.6

7d

≥125

145

Temporal distribution for setting(min)

Initial setting time

-90 ~ +120


-90 ~ +120

28d

≥120

135

Terminal setting time

Shrinkage,%


28d


≤135


82

Corrosion to steel bars

None

None

Note:Standard Blend Dosage:0.75%(as cement amount)

B.SNF-B

Parameters

Criteria

Actual Results

Parammeters

Criteria

Actual Results

Water reduction,Min %

≥14

17-25

Compression strength,%

1d

≥140

165

Water Penetration,Max %

≤90

80

3d

≥130

155

Air Content,%

≤3.0

1.6

7d

≥125

140

Temporal distribution for setting(min)

Initial setting time

-90 ~ +120


-90 ~ +120

28d

≥120

130

Terminal setting time

Shrinkage,%


28d


≤135


85

Corrosion to steel bars

None

None

Note:Standard Blend Dosage:0.75%(as cement amount)

C.SNF-C

Parameters

Criteria

Actual Results

Parammeters

Criteria

Actual Results

Water reduction,Min %

≥14

16-22

Compression strength,%

1d

≥140

160

Water Penetration,Max %

≤90

85

3d

≥130

150

Air Content,%

≤3.0

2.0

7d

≥125

140

Temporal distribution for setting(min)

Initial setting time

-90 ~ +120


-90 ~ +120

28d

≥120

125

Terminal setting time

Shrinkage,%


28d


≤135


88

Corrosion to steel bars

None

None

Note:Standard Blend Dosage:0.75%(as cement amount)


SNF

Sodium Naphthalene Sulfonate Formaldehyde Applications

◆ Curing Processes

      Widely used in self-cured and vapor-cured concrete formulations, it 

      demonstrates outstanding early-stage performance. This

      significantly improves modulus and site utilization efficiency, even 

      eliminating the need for vapor curing during peak summer heat.

      Statistically, 40–60 metric tons of coal can be saved per metric ton of 

      this agent consumed.

◆ Concrete Formulations

     Suitable for preparing early-strength, high-strength, high anti-filtration, self-sealing, and pumpable concrete.

◆ Construction Scenarios

      Extensively applied in pre-cast and ready-mixed concrete, reinforced concrete, and pre-stressed reinforced concrete 

      for keyprojects, including:

      Dam and port construction

      Road building and urban planning projects

      Residential and commercial constructions

◆ Cement Compatibility

      A. Compatible with various cement types, such as:

            Portland cement

            Ordinary Portland cement

             Portland slag cement

             Fly-ash cement

             Portland pozzolanic cement

     B. Suitable for preparation of early-strength, high-strength, high-anti-filtration and self-sealing& pumpable concrete.

     C. Widely used in pre-cast & ready-mixed concrete, armored concrete and pre-stressed reinforced concrete in key    

          construction projects such as dam and port construction, road building & town planning projects and dwelling  

           erections etc.

     D. Compatible with Portland cement, normal Portland cement, Portland slag cement, fly-ash cement and Portland

          pozzolanic cement etc.





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