Reference powder, test equipment DIN-EN-ISO-4490/ASTM B213-20Chinese emery grain

Standardised test equipment 60 g Normative reference: ASTM B213-20 (6.6) DIN-EN-ISO-4490 (5.5) Identical and traceable to the reference emery grit "Chinese emery grit" (emery powder) specified in the standards This test equipment is used in our production to calibrate and adjust the flow rate of the discharge opening. Depending on the intended use, we recommend that the flow time is checked regularly by the user. more