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  • Sodium Naphthalene Formaldehyde Concrete - China

    price: contact company for price


    General Description:

    SNF' s full name is Sodium Naphthalene Sulfonate Formaldehyde Condensate. Its high purity makes cement particles with high dispersancy, low foaming, high range water reducing and obvious strengthening so that we can accelerate project mould turnover and construction speed, and save cement, and also improve cement mobility and workability. SNF is a high range concrete admixture of concrete cast- in- place, prefabricating, pump and curing.




    OS- A grade

    OS- P grade


    yellow beige powder

    Fluidness ( mm)

    250 min


    Water exudation rate:

    90% max

    Gas content

    3.0% max

    Solid content

    93% min

    Sodium Sulphate

    5% max

    18% max


    0.3% max

    0.4% max

    PH value

    7- 9

    Surface Tension ( N/ m)

    0( 70±1) X10ˉ 3N/ m

    Parameters & Acceptance Criteria:



    Actual Results

    OS- A

    OS- P

    Water Reduction, %

    ≥ 20

    ≥ 19




    Strength, %


    ≥ 180


    Water Penetration, %

    ≤ 90



    ≥ 170


    Air Content, %

    ≤ 2.0



    ≥ 150


    Temporal Distribution for setting ( min)

    Initial setting time

    - 90~+120



    > 130


    Terminal setting time


    Shrinkage, %

    < 130


    Corrosion to steel bars


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

    Technical features & adaptability:

    1. Mixing amount: 0. 5- 1. 0% of cementing materials, reducing rate: 20- 30%

    2. Keeping concrete strength intact & mixing this product, cement saving amount can reach 15- 20%

    3. Mixing this product 0. 7% ( solid content) , slump constant increases above 10cm

    4. Adapting to high strength, early strength, flowing, prefabricating & curing and prestressing force concretes etc.

    5. The agent can be combined with other externally applied agents if pilot devement or laboratory experiment succeeds.


    SNF has a good adaptability to various cements and it is not erodent to reinforcing bar and nonpoisonous and pollution- free. SNF has been applied to the highway, bridge, tunnel, water conservancy hydroelectric project, port, quay, skyscraper, power engineering, industrial civil building, prestressing force component and high range concrete etc.

    Company Contact:

    • Phone: 8631185697096

    • Address: No.99 Tabei Road, Shijiazhuang, China

    • Email: Email

    Published date: May 3, 2015 -

    • Business Description: As one of the leading chemical companies in Hebei, we have been serving the international market as a producer and exporter for more than twenty years. We are experts in the field of food additives, pigment, mineral processing chemicals and concrete admixture, and are also interested and informative in other chemical trade.

      We are working hard to develop a seamless connection with our customers from all over the world, and placing a strong emphasis on responding quickly to customer inquiries and providing informative quotes. The complete satisfaction of our customers has been the great honor in our history and will be the only goal in our future.

      Sure Chemical has passed ISO9001:2008 Quality Management System Certificate. Warmly welcome all friends to visit and establish cooperation.

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