ACM designed these High Density Polyethelyne (HDPE) jars with baffles to keep media from slipping, thus providing greater tumbling efficiency. You can mill or blend a variety of materials in these jars including ceramic, organic, mineral and metallic powders. These jars will withstand a wide variety of chemicals. (See list of chemicals)

Matching perforated HDPE jar caps can also be purchased to help reduce waste and manufacturing time.