ASP Isotopes Inc. (NASDAQ:ASPI) shares are trading higher Tuesday after the company announced it restarted the first 18 states of its Silicon-28 enrichment facilities in Pretoria, South Africa.
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Silicon-28 Facility Restart
ASP Isotopes said the first 18 stages of the Silicon-28 enrichment facility, comprising segments one and two, have now operated for more than three weeks at target enrichment levels.
The company said it implemented engineering modifications over the past nine months focused on non-core components including valves, compressors and piping. ASP Isotopes said those same enhancements are expected to be implemented across the remaining stages of the facility to support commercial production of enriched Silicon-28.
The company previously shipped its first samples of enriched Silicon-28 to a U.S. customer in August 2025. ASP Isotopes said independent analysis confirmed that enrichment levels tracked in line with theoretical calculations.
"While the core enrichment technology has been operating in line with our expectations, many of the non-core components did not operate in line with the specifications provided by the OEM suppliers," said Heino Van-Wyk, head of engineering at ASP Isotopes.
Van-Wyk said the engineering team worked over the past nine months to address the peripheral issues and optimize the plant for safe and efficient operation.
ASP Isotopes said enriched Silicon-28 is emerging as a critical material for quantum computing and next-generation semiconductors.
The company said enriched Silicon-28 can allow qubits used in quantum computing to maintain entangled states for longer periods and may also improve heat conduction and dissipation in conventional semiconductors.
"As we scale our production capabilities over the coming quarters, both of these applications will be central to our strategy," said Stefano Marani, president of ASP Isotopes' Electronics and Space division.
ASP Isotopes previously announced that it signed three commercial contracts with U.S.-based customers for enriched Silicon-28 used in quantum computing and semiconductor applications.
The company said it expects to begin initial commercial shipments of enriched Silicon-28 in the third quarter of 2026.
ASP Isotopes Shares Climb
ASPI Price Action: At the time of publication, ASP Isotopes shares are trading 24.32% higher at $6.90, according to data from Benzinga Pro.
This illustration was generated using artificial intelligence via Midjourney.
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