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We provide densified silica fume (min SiO2 85%-97%, light to dark gray); undensified silica fume (min SiO2 85%-96%, light to dark gray); and zirconia silica fume (SiO2 + ZrO2, also known as white silica fume). Our silica fume products are used in many famous construction projects in the world, applying in concrete, mortar, oil field cement, refractory, chemical fertilizer and other fields. ACC silica fume complies with ASTM C 1240 and EN13263:2005 standards, and has been recognized by SGS, Exova and other famous test authorities and ENR enterprises. Learn more at https://www.allcarbon.info/silica-fume-microsilica/
