MONTREAL, Aug. 20, 2025 (GLOBE NEWSWIRE) -- HPQ Silicon Inc. ("HPQ" or the "Company") (TSX-V: HPQ, OTCQB: HPQFF, FRA: O08), a technology company driving innovation in advanced materials and critical process development, is pleased to announce the completion of the first test in Phase 2 of HPQ Silica Polvere Inc.'s (HSPI) [1] proprietary Fumed Silica Reactor (FSR) pilot project, developed in partnership with its technology supplier PyroGenesis Inc. (TSX: PYR, OTCQX: PYRGF, FRA: 8PY1). Test #6, the first cond ...