09:14 AM EDT, 06/12/2025 (MT Newswires) -- PyroGenesis ( PYRGF ) on Thursday said its client HPQ Silicon's ( HPQFF ) subsidiary HPQ Silica Polvere received notice from a "leading global supplier" of fumed silica that the material samples recently delivered to them passed the client's test protocols for being confirmed as fumed silica.

The company said that the samples were produced by the Fumed Silica Reactor pilot plant, which PyroGenesis ( PYRGF ) has been engaged to develop and build for Polvere. The data from tests conducted provided to Polvere and PyroGenesis ( PYRGF ) will aid in upcoming FSR test phases that have already been scheduled.