... Ready Shipment 3.Various Specification85-98 Micro Silica Fume as refractory casting materialsFactory info:5000Mts of Micro Silica or ... is for your reference, some elements can be controlled as per your requirement. Semidensified Micro Silica Fume 1).Specification ... in concrete field especially for high perfomance project, such as bridge,airport,hydropower station,seawall,railway projects. Main Function ...