Across International Stainless Steel Grinding Jars
1L Stainless Steel (Grade 304) Grinding Jar with Lid. Click To Enlarge Item (grade 304 ) grinding jars for planetary ball mills. Each jar set includes grinding jar, lid, silicon sealing gasket and a mixed sizes of stainless steel grinding balls (see detail table below). Grade 304 is the most widely used austenite steel, also known as 18/8 for its composition of 18% chromium and 8%