this from 24 jan,can't see why they would not have sent final samples shortly after that release

Now that the client has approved and accepted PyroGenesis's NexGen manufacturing process, the next and final step is to provide sample titanium metal powder from the newly approved NexGen manufacturing process. The plasma atomized metal powder produced from PyroGenesis's proprietary state-of-the-art process (NexGen) will be used for verification and confirmation of its chemical and mechanical properties.