Reference Samples is a set of four special coal samples used to calibrate new LC-100 Hardgrove Grindability Testers for determining ease of pulverizing coal samples with the unit. The four reference samples come in varying values of the Hardgrove Grindability Index: 40, 60, 80, and 100 HGI. A Certificate of Analysis is included. Meets ASTM standards.
- Used to calibrate new Hardgrove Grindability Tester
- Available in four different HGI values
- Reference Samples for Hardgrove Grindability Tester
- Certificate of Analysis