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.