Microsilica+

Microsilica +

CEMEX Microsilica + is a supplementary cementitious material, comprising of amorphous silica produced by electric arc furnaces as a byproduct of the production of elemental silicon or ferro silicon alloys and selected additives.

Microsilica + can be used in a variety of applications, such as concrete, mortars, grouts and fiber cement products.

Microsilica + is delivered as a bulk materials in tankers ready for rapid, direct discharge into microsilica silos. It is produced in accordance with BS EN 13263 Part 1 specification.

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Technical Data

State Amorphous Sub Micron Powder
Colour Grey Powder
Specific Gravity 2.1 to 2.4
Solubility Insoluble
Typical Density (Kg/m3) 675 to 770
Cement Type Compatibility OPC, White Cement, SRPC
Supplementary Cement Compatibility  GGBS, PFA

Applications

  • Concrete
  • Mortars
  • Grouts
  • Fiber cement products

Advantages

Microsilica + has several advantages:

Delivered ready to use in bulk tankers
• No manual handling
• Rapid Discharge
• Avoid Dust Emissions
• Improved safety

Local Supplier
• Lower lead times
• State of the art handling and production facility
• Fully Equipped testing laboratory for QA/QC

Cost Effective
• No Crane/Ligting Equipment required
• No additional man power required
• Assists compliance with environmental regulations, so avoiding non compliance penalties
• Time saving


How CEMEX Microsilica+ Works

CEMEX Microsilica +, when in contact with water goes into solution within an hour. The Silica in solution forms and amorphous silica rich, Calcium poor , gel on the surface of the silica fume particles and agglomerates. After time the silica rich, calcium poor coating dissolves and the agglomerates of silica fume reacts with the free lime (CaOH2) to form additional Calcium Silicate hydrates (CSH)> This is a pozzolanic reaction.


Health and Safety

Provided normal health and safety rules are observed, CEMEX Microsilica + does not constitute a hazard to health. Avoid inhalation and contact with skin as exposure may cause irritation. For more details please refer to our MSDS.


Handling & Storage

Handling 

CEMEX Microsilica + is supplied in bulk tanker deliveries, allowing for pneumatic discharge directly into storage silos, thus eliminating the safety hazards associated with the manual handling of microsilica and the environmental hazards dust emissions associated with traditional microsilica deliveries.

Storage

CEMEX Microsilica + should be stored in a moisture free environment.

 
Download the Microsilica brochure

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