Elkem Microsilica® powder products for fibre cement

Elkem Microsilica® powder is comprised of dry silica fume material.  It is available in Undensified and Densified form.  In use, it acts physically as a filler and chemically as a highly reactive pozzolan.   

A key ingredient in many construction materials, Elkem Microsilica® is used in fibre cement products as a processing aid, to improve the dispersion and to improve hardened properties and overall durability.

Contact us for help choosing the optimum product for your specific application.


Product Data Sheets:

Elkem Microsilica®920 

Elkem Microsilica® 940 




Product Safety Information