- Test #6 delivered commercial-grade fumed silica at 136 m²/g surface area, over triple prior results and within commercial grade benchmarks.
- Carbon impurities eliminated, and SEM analysis confirms commercial-quality morphology from a single-step scalable process.
- Next objective: >200 m²/g surface area, targeting the high-value segment of the fumed silica market
- HPQ Silicon stock (TSXV:HPQ) last traded at $0.14
HPQ Silicon Inc (TSXV.HPQ) announced on Thursday that Test #6 of its proprietary Fumed Silica Reactor (FSR) achieved a pilot-scale surface area of 136 m²/g, exceeding previous results by more than threefold and matching commercial-grade standards.
The test, conducted with PyroGenesis Inc (TSX:PYR), marks a critical validation of HPQ’s single-step, scalable process; a landmark toward producing fumed silica at industrial quality.
This content has been prepared as part of a partnership with HPQ Silicon Inc. and is intended for informational purposes only.
Pilot-scale validation achieved
HPQ’s subsidiary, HPQ Silica Polvere Inc., successfully produced commercial-grade fumed silica during Test #6 of the pilot Fumed Silica Reactor. The material attained a surface area of 136 m²/g, a result confirmed by a leading global fumed silica manufacturer under an LOI, thereby matching commercial specifications.
This surface area represents a 309% increase over the previous test and aligns within HPQ’s lab-scale benchmark range of 135–185 m²/g, affirming reproducibility at pilot scale.
The result also satisfies the requirements for commercial grades 90 (75–105 m²/g), 130 (105–155 m²/g), and enters the lower threshold of grade 150 (135–165 m²/g).
Crucially, carbon-based impurities were eradicated, and SEM analysis verified morphological features consistent with commercial-grade fumed silica.
“Our next phase will focus on pushing surface area performance into the 200 m²/g+ range, which represents the high‑demand segment of the commercial market,” Bernard Tourillon, President and CEO of HPQ Silicon Inc. and HPQ Silica Polvere Inc., said in a news release expressing confidence that, having overcome major hurdles, the path to commercialization remains strong.
HPQ Silicon Inc. closed Thursday at $0.14, down 3.33 per cent, while project partner Pyrogenesis Canada ended at $0.27, down 3.57 per cent. The Test #6 achievement is a technological milestone: commercial-grade material from a scalable, single-step process—a compelling signal for HPQ’s pathway into higher-value fumed silica markets.
If future tests push surface area beyond 200 m²/g, HPQ could position itself uniquely in a premium segment of a large industrial market.
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