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Micro Silica

Micro Silica
Micro Silica
Price And Quantity
  • Kilograms/Kilograms
  • 25
  • Kilograms/Kilograms
  • 13.00 - 20.00 INR
    Product Specifications
    • Powder
    • Drak Grey Colour Fine Powder
    • Concrete Additive; Refractory Additive
    • Concrete Additive; Refractory Additive
    • SiO2 – Silica
    • Humidity - 1%
    • Other
    • No Smell
    • Industrial
    • SiO2
    • 28112200
    • Silica Fume
      Product Description


      • Higher compressive strength by 10-20 %
      • Reduces the rate of carbonation
      • Lower permeability – resistance to penetration of water, chloride & other chemicals
      • Lower free lime formation - delays ettringite and thaumasite formation
      • Controls bleeding in fresh concrete
      • Lower Heat of Hydration, which prevents formation of cracks.

      How it work

      Pozzolonic Effect  When water is added to cement, hydration occurs as shown below:

      Ordinary Portland Cement (OPC) + H2O → CSH (Calcium     Silicate Hydrate) + Ca(OH)2(Free Lime)

      The free lime does not contribute to strength of concrete. When combined with carbon dioxide, it forms a soluble salt, which leaches through the concrete causing efflorescence, a familiar architectural problem. Concrete is also more vulnerable to chemical attack and deterioration.

      When CETEX Microsilica is added, the following reaction takes place:

      Ca(OH)2 + SiO2 → H20 + CSH

      The reaction reduces the amount of calcium hydroxide in the concrete.

      Micro filler effect - It is an extremely fine material, with an average diameter much finer than the cement. It gets well distributed in the cementatious paste, thus blocking the bleed-water channels.



      Very fine powder





      Mean particle size

      25 microns

      SiO2– Silica

      85 % minimum


      2 % maximum

      Loss on ignition at 800°C

      4 % maximum


      Available In 25 Kg Plastic Bag Or Jumbo Bag.

      Trade Information
      • JNPT Nava Shewa, India
      • Telegraphic Transfer (T/T), Cash in Advance (CID)
      • 9000000 Per Year
      • Yes
      • Free samples available with shipping and taxes paid by the buyer
      • 25kg, Jumbo Bags
      • All India
      • ISO 9001:2015
        Contact Us

        DBS House, Prescott Road, Fort., Mumbai, Maharashtra, 400001, India
        Phone :+918037744994