Undensified Microsilica (Silica Fume)

Undensified Microsilica

ACC® Undensified Microsilica is a by-product of the production of ferrosilicon alloys or silicon metal, with SiO2 content ranging from 85% to 96%, bulk density around 300 — 400kg/m3, and light grey color. They are classified as Grade 85U, Grade 92U, Grade 94U and Grade 96U. It’s collected, and packed from ferrosilicon or silicon metal factories directly, the automatic and integrated production process guarantees the consistent quality.

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GradeSiO2ApplicationsReferenceProduct Details
G85U>85%For Fertilizer Undensified Silica Fume(Microsilica), SiO2 85% minLearn More
G92U>92%For Construction Undensified Silica Fume(Microsilica), SiO2 92% minLearn More
G94U>94%For Refractory Undensified Silica Fume(Microsilica), SiO2 94% minLearn More
G96UE>95.5%For Refractory and Construction Undensified Silica Fume(Microsilica) for Refractory and Construction, SiO2 95.5% minLearn More
G96U>96%For Refractory Undensified Silica Fume(Microsilica), SiO2 96% minLearn More
The effect in fertilizer application
  • Moisture absorption for fertilizers.
  • As anti-caking agent.
  • Pellet binding agent.
  • Produce potassium silicate when mix and heat with KOH or K2CO3.
The effect in construction application
  • Improve compressive strength and bond strength.
  • Improve abrasion resistance.
  • Reduces permeability.
  • Protecting reinforcing steel from corrosion.
The effect in refractory application
  • Improve the fluidity of refractory casting materials.
  • Reduce water consumption.
  • Improve the compactness and strength.
  • Improve temperature strength and thermal shock resistance.
Advantages
  • Without blending, no impurity, the SiO2 content of each gram can be 100% guaranteed qualified.
  • Integrated production, including microsilica collection and package.
  • Already approved by many reputed laboratories.
  • Long-term stable supply with same source.

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