Low Silica Line, Granite, Marble, Sandstone & Others | Essem .Essem Metachem Gaurika Minerals - offering Low Silica Line, Lime Stone,Granite, Marble, Sandstone & Others in Netaji Subhash Place, Delhi, Delhi. Read about company and get contact details and . We have large reserves of low silica line in our Rajasthan mine. We can Easily fulfill large demands of low.low silica line mines,RSMML - Line productsLow Silica Line (+95% CaCO3 , Low Silica < 1.5%) Low Silica Line is used in steel plants with BOF technology as a flux. Chemical Grade Line ( +94% CaCO3 , Low Silica < 2.5%) Chemical grade line is used mainly in chemical industries producing quick lime and hydrated lime. White Cement Grade.