Silica fume users manual
راهنمای مصرف میکروسیلیس
the amerikan concreate institute ( ACL ) defines silica fume as very fine crystalline silica produced in electric are furnaces as a by-product of the .production of elemental silicon or alloys containing silicon It is usually gray colored power somewhat similar to portland cement or some fly ashes. figure shows a typicalsilica fume as it appears after being collected from a furnace. silica fume is usually categorized as a supplementary cementitious material.
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