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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.
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Silica Flour

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.

3606 Research Forest Dr. Suite 100 The Woodlands TX 77381            
(832) 442-2600 or IOScontact@imerys.com

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