BOND RWi, BWi, CWi, Ai Work Index: What’s the difference Three Bond work index tests are commonly used in the industry.  This essay discusses some observations from SAGMILLING.COM database of published grindability results about relationships, and lack thereof, between the Bond comminution tests.  A further comment is made about the Bond abrasion index and its … Continue reading Compare and Understand Rod/Ball/Impact-Crushing/Abrasion BOND Work Index