High Performance Cenospheres Hollow Ceramic Microspheres China Factory Suppliers
Cenospheres, also known as Hollow Ceramic Microspheres, are high-performance, lightweight, and inert nonmetallic spherical materials. Composed primarily of silica (SiO2) and alumina (Al2O3), these microspheres share similar properties with glass and ceramics, providing a superior alternative to irregular fillers due to their 100% spherical geometry, which significantly enhances processing efficiency and final product performance.
Engineered for versatility, these ultra-low-density spheres are chemically inert, ensuring they remain unaffected by water, solvents, acids, or alkalis. By replacing traditional minerals, Cenospheres can reduce the overall weight of composite materials by up to 75%, while simultaneously improving flowability, thermal insulation, and mechanical strength across various industrial applications.
Detailed Parameters
| Main Composition | SiO2 (50-65%), Al2O3 (25-35%) | Floating Rate | ≥ 95.0% |
|---|---|---|---|
| Bulk Density | 0.35 - 0.45 g/cc | Fire Resistance | 1600 - 1700 ℃ |
| Available Mesh | 20, 40, 50, 60, 80, 100, 150 mesh | Particle Size | 100μm to 850μm (Grade dependent) |
| Color | Gray to Light Gray | Chemical Nature | Inert (Acid/Alkali resistant) |
| Physical Form | 100% Spherical Microspheres | Moisture Content | Low/Controlled |
Key Advantages
Chemical Inertness
Completely unaffected by solvents, water, acids, or alkalis, ensuring long-term stability.
Ultra-Low Density
75% lighter than traditional mineral fillers, significantly reducing the total weight of components.
Thermal Insulation
Exceptional low thermal conductivity and high heat resistance up to 1700℃.
Improved Flowability
The 100% spherical shape optimizes processing and reduces friction during manufacturing.
High Strength
Provides high structural integrity while maintaining low density and low shrinkage.
Cost Efficiency
Reduces resin demand and overall material costs while improving VOC performance.
Product Gallery
Management Platforms
Paint & Coatings
Used in fireproof paints, vehicle putties, and insulating coatings to reduce VOCs.
Construction
Enhanced specialty cements, mortars, roofing materials, and acoustical panels.
Plastics & Polymers
Ideal for BMC/SMC molding, PVC floors, nylon, HDPE, and polypropylene.
Foundry & Refractory
Applied in castables, fire bricks, and aluminium cement for high-heat zones.
Automotive Parts
Optimizing brake blocks, engine parts, and body fillers for weight reduction.
Oil & Gas
Utilized in oil well cements, drilling muds, and lost circulation aids.
Investment Return Comparison
| Performance Metric | Standard Fillers | Cenosphere Microspheres |
|---|---|---|
| Material Weight | Standard Density | 75% Weight Reduction |
| Resin consumption | High Requirement | Significantly Reduced |
| Thermal Stability | Moderate | Ultra-High (up to 1700℃) |
| VOC Emissions | Normal | Lowered VOC Levels |
| Processing Flow | Irregular/High Friction | Optimized Spherical Flow |
Frequently Asked Questions
Q: What are the primary chemical components of Cenospheres?
Cenospheres are primarily composed of silica (SiO2) and alumina (Al2O3), making them chemically similar to glass and ceramic materials.
Q: How do Ceramic Microspheres reduce production costs?
They reduce costs by lowering the demand for expensive resins, reducing the overall weight of the final product, and improving manufacturing efficiency through better flowability.
Q: In which construction materials are Cenospheres most effective?
They are highly effective in specialty cements, mortars, grouts, stucco, roofing materials, and acoustical panels for improved insulation and weight reduction.
Q: Are Cenospheres resistant to corrosive environments?
Yes, because they are chemically inert, they are not affected by solvents, water, acids, or alkalis, making them ideal for harsh industrial environments.
Q: What is the temperature limit for these microspheres?
Our Cenospheres exhibit exceptional fire resistance with a temperature threshold ranging between 1600℃ and 1700℃.
Q: What packaging options are available for bulk orders?
We provide flexible packaging options including 20kg or 25kg net kraft paper bags, as well as large big bags of 500kg, 600kg, or 1000kg.
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