This product is a very fine, gray powder with highly active pozzolanic properties.
It can be used in addition of cement or as replacement of a part of cement content.

It has to be mentioned that is composed of amorphous silica
produced by electric arc furnaces as a byproduct of the production of elemental silicon or ferrosilicon alloys.
It meets the requirements of the following standard:
ASTM C 1240, ISIRI 13278