Porous Fire-Resistant Materials Made from Alkali-Activated Electric Arc Furnace Ladle Slag

The application of electric arc furnace ladle slag (EAF slag) in cement products might be limited due to the volume expansion and instability created by late hydration. Proper control technique should developed before reuse (LS). With addition aluminum powder alkali-activated pastes, porous materials were produced. By adjusting activator modulus between 1.25 2.00, fine pores produced foamed material densities controlled 594 1184 kg/m3. compressive strengths increased from 0.95 9.04 MPa with increase density. Direct firing tests showed that could resist fire damage. low thermal conductivities range 0.532 1.435 W/m·K, temperatures back panel below 100 °C, even under flames 800 °C for 1 h, which better than marketing rock wool. was proven applicable manufacturing fire-resistant this research.