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Microsilica, 45 µm, arises from the production of silicon or ferrosilicon metal.
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Microsilica, also known as silica fume, is used as an additive in concrete to improve its strength and durability. It is also used in the manufacture of refractory materials and in some metallurgical applications.
Mica is a naturally occurring mineral characterized by its fibrous structure and layered texture. It belongs to the mineral class of silicates and consists mainly of alumin...
During sintering (firing) at temperatures of 1750 – 2000 C° in shaft or rotary kilns naturally occurring magnesium carbonate is converted into sintered magnesia, directly (...