... %,CaO≥44%,MgO≤1.7%±0.5%,Fe2O3≤0.35%, S ≤ 0.008%,P ≤ 0.008%,H2O≤0.5%,LOI≤2%200mesh,325mesh(mesh ... ≤1.8%,Al2O3≤0.8%, LOI≤2%,oil absorption 20-30%,S ≤ 0.03%,P ≤ 0.03%,Fe≤0.25%325mesh ... GradeSpecification: SiO2≥ 49%,CaO≥45%,Fe2O3≤0.3%,LOI≤2.5%325mesh(mesh can be adjusted according to the customer's ...