Green Msilica – Micro silica fume with SiO₂ content 85% -92% is a very fine pozzolanic material composed of amorphous silica produced by electric arc furnaces as a by-product of the production of elemental silicon or ferro silicon alloys, It can be used in a variety of applications as an additive in concrete, grouts, mortars, fiber cement products, refractory oil/ gas well types of cement, ceramics, elastomer, and polymer application.