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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-SN1 Alkali-Containing Accelerator
KD-SN1 is specifically developed for shotcrete, available in powder and liquid forms. It accelerates cement hydration and hardening, rapidly developing sufficient strength to meet special construction requirements. An indispensable additive for shotcrete construction.
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Keda New Materials
Concrete Admixtures
Product Details
Technical Specifications
| Parameter | Value |
| Initial set | 1-5 min |
| Final set | 5-10 min |
| Fineness (80μm sieve) | <10% residue |
| 28d strength retention | 80-100% |
| Dosage (powder) | 3-6% |
| Dosage (liquid) | 2-5% |
Key Features
• Fast setting: initial 1-5min, final 5-10min
• Low alkalinity, non-toxic, odorless, non-irritating
• High early strength; 28d retention rate 80-100%
• Good adhesion, low rebound, non-corrosive to rebar
• Improves impermeability, rapid hardening
Applications
• Mining, coal mines, tunnels, road/railway engineering
• Shotcrete support, underground construction
• Water conservation, defense engineering
• Leak sealing, rapid construction, emergency repair
Usage & Precautions
• Conduct cement compatibility and optimal dosage tests before use
• Control W/C ratio at 0.4-0.5; higher ratio extends setting time
• Increase dosage when cement compatibility is poor
• Use fresh cement P.O42.5+; do not use expired or damp cement
• For dry-mix shotcrete. Use product immediately after opening
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.
• Powder product: packed in woven bags with inner plastic liners. Keep dry during storage and transport. Shelf life: 6 months.
Safety Information
• Skin contact: wash with soap and water. Eye or mucous membrane contact: immediately rinse with clean warm water and see a doctor promptly.
Solution
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