LABORATORY TEST REPORT of Iron Slag (aggregates), as follows :
Iron and steel slag aggregate is an industrial product that is manufactured under extensive quality management and contains no organic impurities, clay, shells or similar materials. For both fine particles and course particles, the chemical composition is completely uniform. In addition, this aggregate contains no reactive silica, which is one cause of chemical reaction with alkali aggregates. It reduces environmental impacts, preserves precious natural resources needed to maintain ecosystems and can reduce the energy that is consumed in mining, stone crushing, and other activities.