Xiamen All Carbon Corporation(ACC)  was established in 2005,  as the leading supplier of microsilica in China, our microsilica products is sourced from the major factories of Zirconia, Silicon Metal and Ferrosilicon in China. The products has the characteristics of high pozzolanic activity, low LOI, etc. We also able to supply special products with SiO₂ up to 96% min., Cl content lower than 0.1%, and fluidity up to 22cm, etc. They are widely used in concrete, mortor, oilfield cementing, refractory, fertilizer and other fields.

Our products complys with ASTM C 1240 and EN13263:2005 standards, and has been recognized by many testing agencies, such as SGS, EXOVA, also many ENR ranking enterprises. 

Quality Control:

▪  ACC Microsilica is collected, densified and packed directly. Instead of mixing different grades of microsilica, the automatic production process guarantees the consistent quality and without impurities.

▪ We fix clients' order in a stable production base according to their demand,  to ensure the consistency and stability of material quality.

▪ We only sell fresh and quartly microsilica, all microsilica which we sell to customers are new production goods in the season.

▪ All microsilica after production and before shipment need double quality check in both production and port, to ensure the quality.