White micro silica powder, Commonly referred to as features an, Silica fume elevatedly reactive pozzolanic material that is produced while the item is being produced of silicon or ferrosilicon alloys in electric arc furnaces. Here is an in-depth summary of white micro silica powder composition and properties silica content silica fume with a typical silica, Primarily comprises amorphous SiO, Or silicon dioxide particles content ranging from 85% to 98%. Particle size the particles of silica fume are extremely fine, With an average particle size typically across the variety of 0. 1 to 0. 5 micrometers. This ultrafine size gives it a high which contributes, Surface area to its reactivity. Color and appearance silica fume is usually grey to white depending on, In color its purity and processing. White micro silica powder likely indicates a refined form with minimal impurities and a lighter appearance.