Sodium Gluconate Set Retarder
CAS Number: 527-07-1
Sodium gluconate is a highly effective concrete set retarder derived from glucose fermentation, capable of extending initial setting time by 2–10 hours depending on dosage. It is commonly used in ready-mixed concrete for long-haul transport, oil-well cementing, and hot-weather construction. The product also exhibits mild water-reducing properties and enhances concrete workability.
Technical Specifications
| pH | 6.0-8.0 |
| appearance | White crystalline powder |
| purity (%) | 99±1 |
| chloride content (%) | ≤0.07 |
| moisture content (%) | ≤0.5 |
Applications
- Ready-mix concrete for long-distance transport
- Oil-well cementing in high-temperature formations
- Mass concrete pours requiring extended open time
- Hot-weather concreting in desert and tropical climates
- Self-leveling floor compounds requiring controlled set
Key Features
- Highly efficient retarder with dose-responsive control over setting time
- Food-grade raw material ensures consistent high purity
- Compatible with most cement types and supplementary cementitious materials
- Low corrosion risk, safe for reinforced and prestressed concrete
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