Comprehensive Guide to HC-132 Fumed Silica Technical Data

15, Jul. 2026

 

When considering additives for various industrial applications, understanding the technical specifications and performance characteristics of materials like HC-132 fumed silica is crucial for optimal results. Below, we delve into the comprehensive data regarding HC-132 fumed silica to provide clarity on its properties and applications.

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1. Overview of HC-132 Fumed Silica

HC-132 fumed silica is a highly efficient reinforcing agent known for its ability to enhance the mechanical and rheological properties of polymers and other materials. This silica is produced through the flame hydrolysis of silicon tetrachloride, resulting in a fine, amorphous powder that exhibits several beneficial characteristics.

2. Key Technical Data

  1. Physical Properties
    • Appearance: White, free-flowing powder
    • Particle Size: Typically in the range of 12-14 nm in diameter
    • Bulk Density: Approximately 30-50 kg/m³
    • Specific Surface Area: Around 100 m²/g
  2. Chemical Composition
    • SiO₂ Content: Greater than 99.8%
    • Moisture Content: Less than 0.5%
    • pH Value: Between 3.8 and 4.5
  3. Performance Characteristics
    • Thixotropic Behavior: Exhibits good thickening and stabilizing effects, reducing settling in suspensions.
    • Reinforcement: Improves tensile strength, tear resistance, and resilience in elastomers and coatings.
    • Flow Control: Enhances flow properties, making it ideal for applications like paints and inks.

3. Applications of HC-132 Fumed Silica

HC-132 fumed silica is versatile in its use across various industries:

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  • Coatings: Used in paints and coatings to improve consistency, viscosity, and traction properties.
  • Adhesives and Sealants: Enhances the strength and durability of formulations.
  • Plastics and Polymers: Acts as a filler to enhance the structural integrity of products.
  • Cosmetics: Works as an anti-caking agent and gives a smoother feel in formulations.

4. Safety and Handling

When working with HC-132 fumed silica, adhering to safety protocols is essential:

  1. Protective Gear: Always wear personal protective equipment (PPE), including gloves, masks, and goggles.
  2. Ventilation: Ensure proper ventilation in the working area to minimize inhalation risks.
  3. Storage: Store in a cool, dry place away from incompatible materials and moisture.

5. Conclusion

In summary, understanding the HC-132 fumed silica technical data is vital for maximizing its contributions across various applications. Its unique properties make it an essential component in many industries, while its handling requires awareness of safety practices to ensure user protection. By incorporating HC-132 into formulations, manufacturers can achieve improved performance and enhanced product characteristics.

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