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SNF 20%

HSN-C is a high range water reducer, high concentrate naphthalene-based superplasticizer, also named Naphthalene Sulfonate Formaldehyde Condensate (NSF), SNF, PNS, etc....
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SNF 20%

Description

HSN-C is a high range water reducer, high concentrate naphthalene-based superplasticizer, also named Naphthalene Sulfonate Formaldehyde Condensate (NSF), SNF, PNS, etc.

Sodium Naphthalene Sulphonate Formaldehyde is made of naphthalene, sulforic acid, formalin and alkali, through sulphuration, hydrolyzation, condensation and neutralization reaction. HSN contains no chloride.


Standards Compliance

ASTM C 494, Type F; ASTM C 1017, GB8076-1997 and GB50119-2003.


Main Use & Advantages

1.HSN superplasticizer can be applied to make flowable, strong or steam-curing concrete. The minimum working temperature can be as low as 0 degree C. In steam curing, concrete with superplasticizer has to be strong enough before heating.
2.HSN possesses the features of no retarding, no air-introducing, superplastic high water-reducing and strength enhancing. It has low alkali content, low sulfonate, and high purity. It can be widely used in different concretes with less dosage and easy to use.


Typical Properties

Appearance

Brown-yellow powder

The main ingredient

β-naphthyl sulfonate formaldehyde condensate

Solid content %

92 min

Water reducing rate

16~22%

Moisture %

5 max

PH  (24°C)

7-9

Na2So4 content %

20 max

Dosage

0.5~1.0% of  gelled  materiall

Concrete strength

Increase to 15~40%

Save cement(Under the same conditions the strength)

10~20%

For steel corrosion

NO

Widely used in the projects

Roads, railway, bridges, tunnel, electric power, airports,dam and high buildings


Packing,Storage and Transportation

1.For powder: Woven fabric bag with plastic liner. Net weight: 25kg +/- 0.13 kg.

2.Cautions should be taken to prevent packages from being torn by sharp-ended objects while being transferred or delivered. When being contaminated by high humidity or moisture in case of leakage, it can be prepared in prescribed ways for further use without surrendering any effect.

3.It should be stored in a dedicated warehouse that is well-ventilated and dry. It remains effective in one year. After the expiration date, it can be used again if testing results fall within the established range.


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