Sodium gluconate

Sodium gluconate

CAS 527-07-1

EINECS 208-407-7

chemical formula C6H13NaO7

molecular weight 220.15

Sodium gluconate is a white or light yellow crystalline powder, easily soluble in water, slightly soluble in alcohol, and insoluble in ether, which can be widely used in concrete as a retarder. Adding a certain amount of sodium gluconate to concrete can increase the retarding effect of concrete and delay the initial and final setting time of concrete.

range of application:

  1. Suitable for concrete, large-volume concreteandcast-in-place piles, constructed under hot temperature conditions;
  2. Suitable for slip-form construction concrete, pumping concrete, fly ash concrete, etc.;
  3. Configurable concrete grades of C15-C45.

performance feature:

  1. This product is non-toxic, non-flammable, stable in shape, and has no corrosion effect on steel bars;
  2. It has the effect of reducing water, improving the later strength of concrete, or increasing fluidity to save cement consumption;
  3. It can prevent cracks during summer construction and continuous pouring of concrete;
  4. Reduce the hydration heat of concrete and delay the occurrence of temperature peaks, reducing cracking caused by internal and external temperature differences.
  5. Convenient for construction and long-distance transportation

Determine the optimal dosage through trial mixing tests.


  1. Adjust the dosage after testing according to project requirements;
  2. Generally add it to the mixer simultaneously with the mixing water. The plasticizing effect is best if it is added with delay or added before concrete pouring and stirred slightly.
  3. To ensure the best use effect, it is recommended that before using this product for the first time or changing cement varieties in a project, users should conduct a trial mixing test to determine the optimal dosage and mixing method according to the specific conditions of the project.

Packaging and storage:

  1. Powder products are 25kg/bag. Protect the packaging from damage and moisture.
  2. It should be stored in a cool and dry place, away from direct sunlight.
  3. The shelf life of this product is 2 years. If it expires, confirm through experiments before use.



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