Rationale: This Ballot Item proposes changes to the Scope Section 1.1 of ASTM C989/C989M-12a. Currently the Scope states that it covers three strength grades of slag cement This is misleading since grades are not technically strength grades, they are designations based on slag activity index values. Also the document is more encompassing than just grades and this scope statement should be more inclusive with other portions of C989 Standard Specification Proposed additions are underlined and proposed deletions are shown in strikethrough font. Only changes so indicated are being balloted. Other text is provided for information only.
Keywordsblast furnace slag; granulated blast furnace slag; slag activity index; slag cement;