White Microsilica (Silica Fume)

White Microsilica

ACC® ZSF is white microsilica with SiO2 up to 92%-96%. As a by-product of zirconia, it has excellent features both in silica and zirconia, such as high SiO2 content, fine granularity, large surface area, and good fluidity to enhance the wear resistance, durability and reinforcement performance in the fields of injection materials, concrete, refractory, ceramics and electronic materials.

Technical Datasheets

ProductsSiO2ZrO2ReferenceProduct Details
ZSF G94>92% <2% White Microsilica (Zirconia Silica Fume) ZSF G94Learn More
ZSF G95>93% <2% White Microsilica (Zirconia Silica Fume) ZSF G95Learn More
ZSF G96>94% <2% White Microsilica (Zirconia Silica Fume) ZSF G96Learn More


ACC® ZSF white microsilica series is mainly used in unshaped refractory materials, construction, ceramics, pigments and chemical industry, etc.

  • Used in the construction of cement concrete: it can eliminate material segregation and improve the concrete strength, enhance the wear resistance and durability of concrete, prevent corrosion of steel, etc.
  • Used in monolithic refractories: it can effectively reduce the water addition, it has good thixotropy, and low temperature combination effect. It is an ideal combination of agent, binder, additives and performance improvement material.
  • Used in unsteady casting of ladle: it can be used at high temperatures.
  • Used in high alumina brick, magnesia brick, sliding water mouth brick, kiln and other high temperature equipment and other refractory materials to improve the quality of products.


  • Good whiteness.
  • High purity and fluidity.
  • Excellent suspension performance.
  • Good reinforcement performance.


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