KH-PN Sodium Gluconate for Concrete Set retarder
✓ Sodium gluconate purity 98% min
✓ Extends concrete workability by 4-12 hours
✓ Can improve compressive strength by 10%-20%
✓ Also works as a chelating agent for cleaning and treatment
Product Preview
KH-PN sodium gluconate, also known as D-sodium gluconate, is an organic compound with chemical formula C6H11NaO7, molecular weight 218.14, CAS No. 527-07-1 and EINECS No. 208-407-7.
In construction, sodium gluconate acts as a high-efficiency retarder and water reducer. It can precisely control concrete setting time, extend workability by 4-12 hours and enhance compressive strength by 10%-20% under suitable mix conditions.
| Item | Criterion |
|---|---|
| Appearance | White crystalline granules or powder |
| Purity | 98% min |
| Chloride content as Cl- | ≤0.05% |
| pH, 10% aqueous solution at 25°C | 6-8 |
| Heavy metals as Pb | ≤10 mg/kg |
Controlled Setting Time
Sodium gluconate extends concrete workability and helps manage setting time for mass pours, transport and hot-weather placement.
Strength and Surface Quality
It can enhance compressive strength and improve mold filling and surface finish in precast components.
Chelating Performance
As a chelating agent, it supports metal cleaning and water treatment applications beyond concrete.
Concrete and Infrastructure
Used in high-rises, bridges, tunnels, mass concrete, long-distance transportation and large-scale projects.
Precast and Self-Leveling Floors
Improves mold filling, finish, slurry fluidity and leveling performance.
Metal Cleaning and Water Treatment
Used as a chelating agent for rust, oil stain and oxide layer removal, and for industrial water systems.
What is the purity?
The specification states 98% minimum purity.
How much can it extend workability?
The existing data states that it can extend concrete workability by 4-12 hours under suitable conditions.
Is sodium gluconate only for concrete?
No. It is also used for metal surface treatment, cleaning and other industrial applications due to its chelating ability.
Store KH-PN sodium gluconate in sealed packaging in a dry area. Protect from moisture, contamination and package damage during storage and transport.
The correct dosage depends on cement type, temperature, required setting delay and concrete performance targets. Trial mixes should verify setting time, slump retention, strength and compatibility with other admixtures.
leave a message
If you are interested in our products and want to know more details, please leave a message here, we will reply you as soon as we can.
You may also like
Need More Information?
Our technical team is ready to assist you with product selection, dosage recommendations, and custom formulations.
