Concrete Admixtures
Well-T’s colloidal silica enhances workability, early strength, and long-term durability in high-performance cementitious systems, including precast components and engineered structures.
Designed around challenges in construction performance and durability, our portfolio offers tailored particle size and surface area options to optimize microstructure and deliver reliable performance across diverse applications.
Key Advantages
Improved Workability
Nano-sized particles refine cement paste structure, improving flow, reducing segregation, and supporting more consistent construction performance.
Accelerated Strength Development
High surface activity promotes hydration and gel formation, enabling faster strength gain for precast production and early-strength applications.
Enhanced Durability
Nano-filling effects create denser structures with improved impermeability, helping reduce cracking and increase resistance to harsh environments.
Tailored Performance
Adjustable particle size and surface chemistry enable customized solutions for different formulations, processing conditions, and performance requirements.
Featured Products
| Product | Features | Density (g/cm³) | Particle Size (m²/g) | Surface Area (nm) | SiO₂% | Na₂O% | pH | Viscoity (mm²/s) |
|---|---|---|---|---|---|---|---|---|
| SMALL PARTICLE SERIES (1) | ||||||||
| Sodium-Stabilized High Surface Area | 1.2 | 8-10 | 300 | 30% | ≤0.5 | 9.0-10.5 | ≤8 | |
| LARGE PARTICLE SERIES (1) | ||||||||
| Sodium-Stabilized High Solids Content | 1.4 | 90-110 | 50 | 50% | ≤0.3 | 9.0-10.5 | ≤7 | |
| MODIFIED SERIES (2) | ||||||||
| Silane-Modified Broad pH Range | 1.2 | 9-12 | / | 30% | ≤0.5 | 2.0-11.0 | ≤10 | |
| Aluminate-Modified | 1.2 | 10-16 | 200 | 30% | ≤0.25 | 8.0-10.5 | ≤8 | |
Well-T in Action
Learn More >Well-T Technology R&D Center Renewed and Inaugurated, Continuously Driving Innovative Development
December 20, 2025Well-T Technology Attends the China Inorganic Salts Industry Development Conference and Is Awarded Vice President Unit
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December 1, 2025Well-T Technology Shines at the Wuxi Precision Casting Annual Conference; the "Well-T Cup" Empowers High-Quality Industry Development
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30 years of experience. Tailored solutions for your colloidal silica challenges.
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