Hardgrove Grindability Reference Material Set

ACIRS Hardgrove Grindability Reference Material Sets
are sold in 1 kg net units

ACIRS-H8-2021 is a Certified Reference Material comprising a set of four jars each having a different Hardgrove Grindability Index (HGI) value. Samples have a nominal mass of 1 kg and top-size of 4.75 mm.

Sample preparation, homogeneity assessment and certification have been conducted by an AS ISO/IEC 17025 accredited facility in accordance with ASTM D409/409M.

Production and certification was conducted in accordance with the technical and production requirements of ISO 17034 and the associated guidelines provided in ISO Guide 35. 

The intended use of these samples is as a quality control tool and for calibration of Hardgrove grindability machines.

Certified values are metrologically traceable to ASTM certified (primary) reference materials prepared by Penn State University.

Complete certification details and the Safety Data Sheet may be downloaded from the Additional Information area of this page.


ACIRS-H8-2021 Certified Values
 Sample A  27
 Sample B  44
 Sample C  59
 Sample D  83

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Hardgrove Grindability Reference Material Set

$715 (AUD)

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For information relating to previous releases, please see the archives