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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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ContactCustomer satisfaction is our constant pursuit, and Keda wholeheartedly serves you
KD-SN4 Low-Alkali Accelerator Master Batch
KD-SN4 is an aluminum sulfate-based low-alkali accelerator master batch, eco-friendly, non-toxic, non-harmful. Long storage life, low transport cost, dissolves directly in water. Suitable for remote areas and large temperature variation environments.
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Keda New Materials
Concrete Admixtures
Product Details
Technical Specifications
| Parameter | Value |
| Form | Powder |
| System | Aluminum sulfate-based, low-alkali |
| Shelf life (powder) | 2 years (sealed) |
| Shelf life (liquid) | 3 months after mixing |
| Mixing ratio | 5:5 with water, or 30:30:40 with aluminum sulfate |
Key Features
• Good cement adaptability for various shotcrete needs
• Simple mixing at ambient temperature and pressure
• Cost-effective with aluminum sulfate + master batch method
• Long shelf life, minimal equipment investment
• Master batch ratio adjustable 20-30%; aluminum sulfate 30-40%
Applications
• Underground: tunnels, subways, mining
• Rock engineering: slopes, foundations, reservoirs
• Repair & reinforcement: bridges, dams, docks
• Refractory engineering
Usage & Precautions
• Mix with water at 5:5 ratio, or master:aluminum sulfate:water = 30:30:40
• Water temperature ≥10°C, optimal <40°C
• Add aluminum sulfate first, then master batch slowly
• Stir 2-3 hours; filter through 80-120 mesh
• Liquid dosage: 6-9%; increase if compatibility poor
• Store liquid in plastic/FRP containers only
Packaging & Storage
• 25kg woven bags or ton bags with inner plastic film. Sealed storage: 2 years (powder), 3 months (liquid).
• Handle with care. No rain exposure.
• Store liquid in plastic/FRP containers only.
Safety Information
• Avoid contact with eyes and skin.
• First Aid: A) Skin contact - rinse with clean water. B) Eye/mucosa contact - flush immediately with water and seek medical attention. C) When handling powder, wear dust mask and goggles. D) If swallowed - drink plenty of water, induce vomiting, and seek medical help.
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