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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-JZ Early-Strength High-Performance Water Reducer (HPWR-A)
KD-JZ is designed for concrete requiring early strength. It provides high water reduction combined with high early-strength performance. At conventional dosage, the initial concrete workability is excellent, and slump retention can be adjusted to meet construction requirements. Light yellow transparent liquid. Main component: polycarboxylic acid polymer, formaldehyde-free, non-toxic, non-flammable, non-corrosive to rebar.
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Keda New Materials
Concrete Admixtures
Product Details
Technical Specifications
| Parameter | Value |
| Solid content | ≥20% |
| Water reduction rate | ≥25% |
| pH value | 6.0-8.0 |
| Setting time | Adjustable 30min-8h |
| Dosage |
0.6-3.5% of binder weight |
Key Features
• High water reduction: up to 35%+ at proper dosage, saving 25%+ cement
•High early & ultimate strength: 3d +50-100%, 28d +40-80%, 90d +30-50% vs. control
•Excellent compatibility with cement and supplementary materials
•Low shrinkage: 20%+ reduction vs. naphthalene-based admixtures
•Superior workability: good cohesion, no segregation, no bleeding
•Smooth surface finish: no bleed lines, minimal air bubbles
•High durability: low alkali content, minimal chloride, non-corrosive
•Eco-friendly: formaldehyde-free, no environmental pollution
•Significant retarding effect: extends setting time, delays heat peak
Applications
•High-speed rail, passenger lines, industrial & civil buildings, roads, bridges, ports, airports
•Precast and cast-in-place concrete, reinforced concrete, prestressed concrete
•Especially for high early-strength, high-durability, high-flowability, high-strength concrete and fair-faced concrete
Usage & Precautions
•Dosage: 0.6-3.5% of binder weight
•Do not mix with naphthalene sulfonate water reducers. Conduct compatibility tests when using with other admixtures
•Curing: begin covering and moist curing immediately after final set
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