Elkem MICROSILICA® powder products for gypsum board applications

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® product is used in gypsum boards to improve fire performance.  It delays board shrinkage and retains board core strength in fire conditions improving overall board properties and durability.

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


Product Data Sheets:

Elkem Microsilica® 920 

Elkem Microsilica® 940 


Find our latest safety information here

Elkem offers various safety documentation, for hazardous (Safety Data Sheets) and non-hazardous (Product Safety Information) materials.