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Quick Details

  • Place of Origin: Shandong, China (Mainland)
  • Brand Name: ENTACHEM
  • Model Number: ET-FDN
  • Other Names: Sodium Naphthalene formaldehyde
  • Appearance: light brown powder
  • Solid Content %: 92% Min
  • Sodium Sulphate Content: 2%
  • PH Value: 7-9
  • Water-reducing Ratio: 20%-28%
  • application: concrete admixture for readymix concrete
  • CAS NO.: 36290-04-7
  • HS code: 3824401000
  • Usage: Construction, admixture for cement/concrete

Packaging & Delivery

Packaging Details Woven plastic bag with film liner. Net weight: 25kg +/- 0.2 kg.
Delivery Time 7-9days after confirm order

Light brown powder of Sodium Naphthalene Sulphonate with High-water reducing

 

Product Description

 

1. PNS is made of naphthalene, sulfonic acid, formalin and alkali, through sulphuration, hydrolyzation, condensation and neutralization reaction. 

 

2.PNS have many advantage of :no chloride,good dispersion, water reduction and early-strength effect,good dispersion, water reduction and early-strength effect,without air entraining , no corrosion on steel bars , good compatibility with portland cement .

 

 Appearance: Powder, light brown hollow particle. Liquid, brown-yellow liquid.

  

 

 

PARAMETERS & ACCEPTANCE CRITERIA

model item

ET-PNS-A1

Flowability (mm)

≥ 260

content of cl — (%) cl

< 0.1

PH value

7 ~ 9

Fitness(%)

0.315mm residue<10

solids content(%)

≥ 93

Na 2 SO 4 content(%)

<2

ET-PNS-A1 CONCRETE MIXING INDEX:

Parameters

Criteria

Actual Results

Parameters

Criteria

Actual Results

Water Reduction, %

≥20

24

Compression strength, %

1d

≥ 180

200

Water Penetration, %

≤ 90

70

3d

≥ 170

194

Air Content, %

≤ 2.0

1.5

7d

≥ 150

161

Temporal Distribution for setting (min)

Initial setting time

-9 0 ~ +120

+20

28d

≥ 130

142

Terminal setting time

+13

Shrinkage, %

28d

≤ 130

125

Corrosion to steel bars

None

None

Note: Standard Blend Dosage:0.70 %(as cement amount)

 

 

 IV,Packing, Transportation and Storage 
Sodium Naphthalene Sulphonate powder pack: woven fabric bag with plastic liner.

Net weight: 25kg±0.1kg or 50kg±0.2kg or 650kg±1.0kg

Liquid pack: airtight plastic or iron drums, or tank car in bulk.   


 

 

 

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