Rice (jap.)

Sample already starts sticking after 5 minutes of dry grinding. Majority has been ground to fine powder.

A grinding in liquid nitrogen is not necessary to achieve the desired fineness.

After a grinding time of 5 minutes, all sample use to be ground to < 200µm.

Sintered corundum use to have a rough surface. For this, is use to be optimal for a grinding of organic materials.

With sintered corundum, usually more abrasion will be found compared to other ceramic materials.