contact:Colin Han
email:sales@rfabrasive.com
phone:+8618553321311
address:Wenchang Lake Economic Development Zone, Zibo City, Shandong Province, China
Microhardness tester: The hardness is measured. The hardness of abrasives is closely related to the cleaning effect, and the good hardness makes all our abrasives have a good performance in the cleaning strength, cleaning effect and cleaning quality