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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-SN2 Alkali-Free Liquid Accelerator
KD-SN2 is a new-generation high-efficiency eco-friendly alkali-free liquid accelerator for shotcrete. Non-harmful to humans, non-corrosive to rebar, significantly promotes hydration reaction and strength development. Excellent compatibility with various cements.
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Classification:
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Keda New Materials
Concrete Admixtures
Product Details
Technical Specifications
| Parameter | Value |
| Initial set | 2-4 min |
| Final set | 5-10 min |
| Single spray layer | 80-150mm |
| Rebound rate | 5-10% |
| Dosage | 6-9% |
Key Features
• Fast setting: initial 2-4min, final 5-10min
• Good adhesion: single layer 80-150mm
• Low rebound: typically 5-10%
• High long-term strength retention, stable quality
• Non-corrosive to rebar, improves impermeability
Applications
• Mining, tunnels, underground engineering
• Shotcrete support, road/railway
• Emergency repair, leak sealing, rapid construction
Usage & Precautions
• Conduct compatibility test before use
• Pump slump 100-160mm; arch spray ≥100mm, wall ≥150mm per pass
• Suitable for both dry and wet spray processes
• Stir well before use; seal after opening
• Use fresh cement P.O42.5+
Packaging & Storage
• Liquid product: packed in plastic drums or transported by tanker truck.
• Store away from direct sunlight and freezing at +5 to +35°C. Shelf life: 3 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.
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No.9, Liangling Second Street,Nanning Area, China (Guangxi) Pilot Free Trade Zone