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Concrete Retarder 98% Solid Content Sodium Gluconate As Construction Admixture

Our Sodium Gluconate is Low Pice with high quality .It has so many wonderful applications ,welcome to contact us !
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                    Concrete Retarder 98% Solid Content Sodium Gluconate As Construction Admixture



Sodium Gluconate

Sodium Gluconate Introduction

Sodium Gluconate is a white crystalline powder. Industrial Sodium Gluconate and Food Grade Sodium Gluconate dissolve easily in water, slightly in alcohol, are insoluble in ether, and are non-toxic and non-corrosive.

Our Sodium Gluconate is produced from glucose by chemical synthesis or bio-fermentation. Bio-fermentation technology is widely used for eco-friendly and high-efficiency manufacturing of Industrial Sodium Gluconate & Food Grade Sodium Gluconate.

As a sodium gluconate salt, bulk Sodium Gluconate has excellent chelating and anti-corrosion properties. Made from natural, eco-friendly raw materials, our Food Grade Sodium Gluconate and Industrial Sodium Gluconate serve as ideal substitutes for traditional chemical additives and are widely used across many industrial fields.


Sodium Gluconate Data Sheet

Item Standard Testing Basis
Color White to yellow white GB 1886.320
Surface Crystalline powder or particles GB 1886.320
Smell Null GB 1886.320

Sodium gluconate content 

(dry basis),w/%

≥98 GB 1886.320
Loss on drying, w/%  ≤0.3

GB 5009.3

Direct drying method

Chloride (calculated as CI -),w/%

≤0.05 GB 1886.320
Sulfate (calculated as sO4 2-),w/%
≤0.05 GB 1886.320

Reducing substance 

(calculated as D-glucose),w/%

≤0.5 GB 1886.320
PH (10% aqueous solution) 6.2-7.8 GB/T 9724

Sodium Gluconate Application

◆ Used as a steel surface cleaning agent

◆ Used in medicine

◆ Concrete retarder and water reducer

◆ Used as a water stabilizer

Sodium Gluconate

Textile Industry

Sodium

Concrete Additive

Sodium Gluconate

Purification Industry

 Sodium Gluconate

Steel Cleaning

 Sodium Gluconate

Medicine

What is the right dosage of sodium gluconate as a concrete additive?

◆Low dosage (0.03%~0.05%): Mild retarding effect. It only slightly extends setting time and mainly keeps slump stable.

◆Regular dosage (0.05%~0.10%): Stable retarding performance, the most widely used range for construction projects.

◆Excessive dosage (>0.15%): Setting time will be significantly prolonged, resulting in severe over-retardation and low early strength.

Recommended dosage: 0.03% ~ 0.10%, optimal range: 0.05% ~ 0.08%

Initial setting time extension:

0.03%: 2 to 4 hours (e.g. from 5h to 7~9h)

0.05%: 4 to 8 hours (e.g. from 5h to 9~13h)

0.08%: 6 to 12 hours (e.g. from 5h to 11~17h)

0.10%: 8 to 16 hours (e.g. from 5h to 13~21h)

If the dosage exceeds 0.15%, retarding effect becomes extremely strong. The setting time can reach 24~48 hours, even over 60 hours. Early strength will obviously drop, so please strictly control the dosage.

Key Advantages

◆Stable performance at high temperatures

      For summer construction at 30~38℃, it prevents rapid setting and cold joints. For example, at 35℃ with 0.08% dosage, the initial   

      setting time extends from 6 hours to 12 hours.

◆Ideal for mass concrete

     It extends the workable time, reduces peak hydration heat, and reduces thermal cracking.

◆Excellent slump retention:

      It greatly reduces slump loss and is perfect for 2~4-hour long-distance transportation.

◆Eco-friendly

      Non-toxic, non-corrosive, and easily biodegradable, complying with green chemical standards.

RFQ

1. Q:  What are common issues and remedies?

A: Common issues include excessive setting retardation and reduced slump. 

     Solutions: reduce the sodium gluconate dosage, adjust the superplasticizer proportion, or change the addition sequence. Always  

     run tests to confirm the effect.

2. Q:  Can it be used with sulfate-resistant or high-alumina cement?

      A: It works well with most types of cement. However, cement with different compositions will affect retarding and chelating 

            We suggest doing mixing tests and adjusting the dosage accordingly.

3. Q: Does it affect freeze–thaw resistance and durability?

      A: Proper usage won't reduce concrete durability. It helps make the pore structure more uniform and even improves durability.      

            Please optimize dosage and mix proportion to avoid negative effects on freeze-thaw resistance.

4. Q:  Is it compatible with common water reducers (PCE, naphthalene-based)?

     A: Sodium gluconate is generally compatible with PCE and naphthalene-based plasticizers. It improves their dispersion and slump 

          retention. Please run lab or on-site tests to find the best mixing ratio.

5. Q: How to obtain technical datasheets and samples?

     A: Feel free to contact our sales or customer service for TDS, MSDS, and free samples. We also offer mixing test support and
          formula 
suggestions.

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