Building Material : Cement, Clinker 42.5 N, Clinker 52.5 N, Clinker-cem I Sr5, portland Cement Astm Type I, portland Cement Astm Type Ii, portland Cement Astm Type V, portland Cement Cem I 42.5 N, portland Cement Cem I 52.5 N, portland Cement Cem I Sr5.