Reference Samples is a set of four special coal samples used to calibrate new LC-100 Hardgrove Grindability Testers for determining the 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. Each Reference Sample includes 6.6lb (3,000g) of sample and a Certificate of Analysis. Meets ASTM standards.
- Meets ASTM standards
- Available in four different HGI values
- (4) Reference Samples
- Certificate of Analysis