Mining - M&L Testing Equipment- bond rod mill index test ,The Bond Abrasion Tester is a process and laboratory machine, which is designed to determine the abrasion index of a mineral sample to be determined in accordance with F.C. Bond´s abrasion test …Comminution | Hazen ResearchBond Rod Mill Grindability: requires 25 kg of minus ½ in. material: $950 This test determines the Bond Rod Mill Work Index, which can be used with Bond’s Third Theory of Comminution to calculate net power requirements of sizing rod mills.