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Limits For Hgi Grindability Index

1.1 This test method covers the determination of the hardgrove grindability index HGI of those petroleum cokes that contain no dedusting additive. The procedure for this test method is the same as in Test Method D409.Sections of this test method contain the significance and use of the HGI of petroleum coke, preliminary sample preparation procedures, and procedure and precision and bias data ...

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