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Sodium Naphthalene Sulfonate Formaldehyde (5% ) with low dosage
OverviewQuick DetailsPlace of Origin:Shandong, China (Mainland)Brand Name:YU LAModel Number:YL-SNF-AAppearance:Brown-yellow PowderName of Pr
$5 /Ton
Stock: 300000 Tons
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Overview
Quick Details
Place of Origin:
Shandong, China (Mainland)
Brand Name:
YU LA
Model Number:
YL-SNF-A
Appearance:
Brown-yellow Powder
Name of Product:
Sodium Naphthalene Sulfonate Formaldehyde
Short Name:
SNF NSF FDN PNS
PH value:
7-9
Na2SO4 content:
5%
Water Reducing Rate:
22.3%
Cl content:
0.23
Steel-bar Corrosion:
None
Type:
G-high Range Water Reducing
Packaging & Delivery
Packaging Details
For powder: 25kg woven plastic bag with film liner/ paper 650kg jumbo bag.
Delivery Time
Shipped in 10 days after payment

Sodium Naphthalene Sulfo<em></em>nate Formaldehyde (5% ) with low dosageSodium Naphthalene Sulfo<em></em>nate Formaldehyde (5% ) with low dosageSodium Naphthalene Sulfo<em></em>nate Formaldehyde (5% ) with low dosage

 

Product Description

 

YL-SNF-A is a high range water reducer and high concentration naphthalene-based superplasticizer, also named Naphthalene Sulfonate Formaldehyde Condensate (NSF), SNF, PNS and FDN etc. 

 

YL-SNF-A (Na2SO4≤5%) contains no chloride and is non-corrosive to steel bars, non-poisonous, odorless, and non-flammable. Thus, it meets the requirements of chemical admixture specifications for concrete, complying with ASTM C 494, Type F. ASTM C 1017, GB8076-2008 and GB50119-2003 etc.

 

Usage

 

  1. 1. YL-SNF-A has no retarding and no air-introducing. It is characterized as good superplasticing performance, high water-reducing rate and high strength with low dosage. It has no chloride, low alkali content, low sulphonate and high purity. This product is easy to use and can be widely used in different concretes.
  2. 2. YL-SNF-A can be applied to make flowing, strong or steam-curing concrete. The minimum working temperature can be as low as zero centigrade degree. In steam curing, concrete with superplasticizer has to be strong enough before heating. The steam curing specification has to be pre-tested. It is particularly used as base material for compound admixtures. 
  3. 3. It can prevent from the alkali-aggregate reaction because of the biggish alkali reactivity of aggregate or the alkali-aggregate reaction in the moist environment. 

 

Advantages

 

  1. High water-reducing rate: YL-SNF-A can reduce water 20-30%. It has features of superplasticizer, effectively increases concrete fluidity and reduces water penetration and segregation and improves the encapsulation force of the concrete with reinforcing steel bar. 
  2.  Strengthening: Given the same amount of cement and slump requirement, this product with the dosage 0.5-1.2% can increase the concrete early strength and reinforced effect by 50-100%, 40-70%, 25-60% and 20-60% on day 1, 3, 7, and 28 respectively.
  3.  High applicability: It can be used in variety of cement and is compatible with other admixtures. 
  4.  Low sodium Sulfate content: The aqueous solution has no crystals in winter, which can avoid pipeline congestions when being used. It is suitable for automatic working.
  5.  Effective durability: It can modify the structure of concrete and increase the property of anti-seepage, anti-freezing, and carbonization.
  6. Easy to use: It can be added directly or used after dissolved in water, and also can be used for different working condition and concrete mixer.

 

Specification

 

Items

Criteria

Actual results(C×0.75%)

Appearance

--

Brown powder

Solid Content %

92 min

92.65

Moisture %

8.0 max

7.35

Fineness (0.315mm remains) %

15.0 max

9.2

PH value

7 - 9

8.5

Sodium Sulfate Content %

5.0 max

3.8

Chloride Content %

1.0 max

0.11

Surface Tension

68-72 Mn/m

71

Cement Flowing Rate

240mm

265mm

Water Reducing Rate

20% min

22.3%

Steel-bar Corrosion

None

None

 

Dosage

 

0.5-1.2% by weight of cement. Exact dosage rates depend on the type of effect sought, quality of cement and aggregates, water/cement ratio and ambient temperature. Therefore, in many cases it is advisable to carry out trial mixes. 

 

YL-SNF-A can be added directly or added in after dissolved in water. It can be 

added during mixing and after-mixing (better). The after mixing approach

can achieve better result.

 

Test Data Sheet

 

Items

Dosage rate (Cx%)

Water (g)

Slump (mm)

Water reducing rate (%)

Reference concrete

0

2555

82

0

YL-SNF-A

0.75

1986

89

22.3

Compressive strength (MPa) /Compressive strength rate (%)

1 day

3 days

7 days

28 days

4.34/100

13.70/100

20.19/100

24.06/100

7.63/173.3

23.85/173.4

30.84/150.7

33.72/137.2

 

 

 

Packaging & Shipping

 

For powder: Woven plastic bag with film liner. Net weight: 25kg +/- 0.2 kg.

 

It should be stored in a dedicated warehouse that is well-ventilated and dry and keep away from moisture.

 

Shelf Life: Minimum 12 months. After the expiration date, it can be used if testing results is qualified.

 

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 Sodium Naphthalene Sulfo<em></em>nate Formaldehyde (5% ) with low dosage

 

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