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ProductThe product line covers a series of admixtures including rapid setting agents, water reducers, waterproofing agents, rust inhibitors, curing compounds, grouting materials and pressure grouting materials, as well as mortar admixtures.
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ApplicationThe products are widely used in concrete engineering projects across various sectors, including construction, highways, bridges, high-speed railways, power, water conservancy, ports, and tunnels.
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AboutThe leading supplier of innovative civil engineering materials in Guangxi, specializing in the R&D, production, and sales of concrete admixtures.
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TechnologyIt holds over ten patents and has participated in drafting more than ten standards, including the Technical Specification for Application of Polycarboxylate Superplasticizer (a national mandatory standard) and Solid Polycarboxylate Superplasticizer (T/CBMF187-2022).
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BlogFollow Keda news to stay up-to-date with the latest developments in real-time
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ContactCustomer satisfaction is our constant pursuit, and Keda wholeheartedly serves you
KD-2 Retarding High-Efficiency Water Reducer
KD-2 is a non-air-entraining high-efficiency sulfonated condensate. Features high water reduction, low slump loss, cement saving, good workability, non-corrosive to rebar, non-toxic, non-flammable. Improves pumpability, cohesion, water retention, impermeability, durability, and strength of concrete.
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Keda New Materials
Concrete Admixtures
Product Details
Technical Specifications
| Parameter | Value |
| Water reduction rate | 14-25% |
| Initial slump increase | ≥100mm |
| Strength gain (3d) | +60% |
| Strength gain (28d) | +20% |
| Dosage | 0.7-1.5% (up to 3.5% for high-strength) |
Key Features
• Initial slump increase ≥100mm at same W/C ratio
• Water reduction 14-25%; 3d +60%, 7d +40%, 28d +20% strength
• Save 10%+ cement without compromising performance
• Good adaptability to various cement types
• Non-air-entraining, retarding type
Applications
• Flowable, commercial, pumped, mass, waterproof, early-strength, steam-cured concrete
Usage & Precautions
• Dosage: 0.7-1.5% (1.5-3.5% for high-strength). Adjust based on conditions
• Add directly to water or mix with materials. Delayed-water method preferred
• Shelf life: 12 months
Packaging & Storage
• Liquid product: packed in plastic drums or transported by tanker truck.
• Also available in powder form: packed in woven bags with inner plastic liners. Keep dry during storage and transport.
• Store away from direct sunlight at +5 to +35°C. Shelf life: 12 months.
Safety Information
• May cause irritation upon contact with eyes or skin.
• First Aid: A) Skin contact - rinse with clean water. B) Eye/mucosa contact - flush immediately with water and seek medical attention if discomfort persists. C) If swallowed - drink plenty of water, induce vomiting, and seek medical help.
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No.9, Liangling Second Street,Nanning Area, China (Guangxi) Pilot Free Trade Zone