A set of 4X500ml Grinding Jars and Balls combo

Please select the right combo by clicking on options of Grinding Jars and Grinding Balls respectively. Each grinding jar and ball combo includes 4 grinding jars with lids, rubber sealing gaskets, and your desired size of grinding balls. For grinding in vacuum or inert gas environment, SS vacuum jacket will be required for all kinds of grinding jars except for vacuum jars made from Stainless Steel. For ordering SS vacuum jacket, please click here. Free shipping to US and Canada, duty, and custom clearance included in the price when applicable.   Material Properties of Zirconia Jars and balls (TZP) Frequently Asked Questions 1. How to Select the Right Grinding Jars and Balls?       Selection of the materials of the grinding jars and balls mainly depends on the sample materials. Rule of thumb, the material of jars and/or balls must be harder than the sample material. Otherwise, it is actually the jars and balls which will be ground by the samples in the grinding process. As a result, t