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LCA-32 Grinding Balls for Hardgrove Grindability Tester are used for testing in accordance with ASTM D409 and the Hardgrove Machine Method to determine Hardgrove Grindability Index (HGI) of coal samples. The 1in (25.4mm) Dia. polished steel grinding balls come in a set of 8, and are available as replacement or additional units for testing with LC-100 Hardgrove Grindability Tester.
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