BS 146:2002 pdf free.Specification for blastfurnace cements with strength properties outside the scope of BS 197-1. BS 146 1 Scope This British Standard specifies requirements for two types of blastfurnace cement, BIIIA and BulB, which are outside the scope of BS EN 197-1:2000. The requirements for the composition, strength and physical and chemical properties are specified as characteristic values. Requirements...