Applications

 

 
 
 
 

 

 
 
 
 
 
 
 
 
 

 

 
 
 
 
 
 
Silica Flour

Silica flour is used in oilwell cements to inhibit strength retrogression at elevated temperatures. It can also contribute as a cement extender by increasing low shear viscosity and preventing cement sedimentation

Properties

Imerys silica flour has a high silica content, around 99%. And it is also characterised by its fine particle size distribution.

Application for Silica Flour

At elevated temperatures changes in the hydration phases produced by the cement-water reaction can cause a strength retrogression. The addition of silica flour can adjust the phase transformations and inhibit this strength reduction and the associated increase in permeability that occurs in set Portland cement.

Imerys Silica Flour portfolio

Imerys silica is manufactured in Spain (see our map of assets)

ONDA 125 product data sheet

ONDA 130 product data sheet

 

 

Silica_OreSilicaFlour_PowderSilicaFlour_Microscope

 

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