Check the listing for details. 40W Dental Lab Digital Amalgamator Amalgam Capsule Mixer G8 Blue New Open Box. Condition: New – Open box. Listed at 98.99 USD. It is easy to use, and it produces consistent results that are perfect for dental work. Whether you are a seasoned dental professional or just starting out, this 40W dental lab digital amalgamator is an essential tool that will help you to provide the best possible care to your patients.