Superconducting quantum processors are notoriously fussy about their surroundings — a stray infrared photon or a misbehaving microwave mode can be enough to scramble a qubit's fragile state. On September 24, 2026, quantum-hardware company QTREX Quantum reported its first-half 2026 financial results, and buried in the revenue numbers was a materials-science story that matters well beyond the balance sheet: the company has launched a 3D-printable dielectric, called INSU300, and is providing it to two government and defense organizations for validation; trade coverage says the material can be converted by laser into conductive carbon.

The financial headline is itself notable for a hardware company at this stage. QTREX posted H1 2026 revenue of $1.55 million, up 438% from $289,000 in the same period a year earlier, at a 61% gross margin. Net loss for the half came in at $6.4 million — the kind of ratio that's common for a company scaling manufacturing capacity faster than it scales headcount. CEO Dagi Ben-Noon framed the quarter around INSU300's launch, which the company says is the first RF dielectric material purpose-built for superconducting quantum computing.

Some of that revenue ramp reflects how young the acquired business is. QTREX Quantum trades on Nasdaq as QTEX and is headquartered in Ness Ziona, Israel, but its quantum business comes from an acquisition of an additive-electronics (AME) platform that closed April 6, 2026, for $2.0 million in cash at closing. The company also keeps a medical-technology segment, which had no revenue. All H1 2026 revenue came from the AME and Quantum segment in its first 86 days under QTREX, through June 30, so the 438% year-over-year jump reflects the addition of the acquired business rather than organic growth. The INSU300 launch came later, on September 23.

From Printed Insulator to Conductive Carbon

INSU300 is a dielectric — an electrical insulator — that, according to trade coverage, can be converted after printing into something else entirely: a graphene-like conductive carbon layer, produced by hitting the printed material with a laser.

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That conversion process is the actual invention, and it's been in development for longer than the September launch suggests. Independent trade coverage from Investing.com in August 2026 described the underlying patent-pending technique, developed in partnership with Northeastern University: QTREX's dielectric — referred to in that reporting as "DF INSU300" — is exposed to laser processing that transforms the polymer into a graphene-like conductive carbon network. Researchers at Northeastern confirmed the conversion using Raman spectroscopy, a standard technique for verifying carbon's molecular structure, across 20 different laser conditions to characterize how processing parameters change the resulting material's properties. At the time of that August report, QTREX said it planned to commercially launch INSU300 by the end of Q3 2026 — a deadline the September 24 release confirms the company hit, with the product going live on September 23.

According to the September release, INSU300 has already moved past the lab bench: it's being provided to two government and defense organizations for validation, though QTREX's release doesn't name them. That's consistent with how quantum hardware components typically get vetted — national labs and defense research arms tend to be among the first customers willing to run new materials through qualification testing before they show up in commercial quantum computers.

What It Means for Makers

None of this is a desktop-printable material — INSU300 is aimed squarely at the specialized, cleanroom-adjacent world of superconducting quantum-chip fabrication, not FDM hobbyists or even most industrial polymer-printing shops. There's no indication in either source that QTREX intends to sell filament, resin, or print files to the wider maker community, and the laser-conversion step almost certainly requires equipment and process control far outside a typical desktop setup. What's worth watching, though, is the underlying principle: a single printed dielectric that becomes a functional conductor after the fact, using a laser rather than a second material or a plating step. That's a materials trick — print an insulator, then selectively convert regions of it into a conductor with light — that has obvious appeal anywhere additive manufacturing needs embedded circuitry without a multi-material print head or a post-process metallization bath. If the Raman-verified, 20-condition characterization work QTREX did with Northeastern holds up under further peer scrutiny, it's a data point for the broader "print now, activate later" school of functional materials that researchers have been chasing for years — even if quantum-chip applications stay a niche, high-value application well outside what most readers will ever print.

Bottom Line

QTREX's 438% year-over-year revenue jump shows real commercial traction for a quantum-hardware supplier, and INSU300's arrival — on schedule, per the company's own stated Q3 target — gives that growth a concrete new product to point to. The more durable story for the wider fabrication world is the process itself: a 3D-printed dielectric that a laser can turn into graphene-like conductive carbon on demand, independently characterized at Northeastern University via Raman spectroscopy across 20 laser conditions. Government and defense validation is underway, but commercial deployment inside working quantum computers is still the test that matters most, and it hasn't happened yet.

Sources

Correction, Oct. 22, 2026: An earlier version of this article said QTREX's current form dated only to the April 6, 2026 acquisition, that the INSU300 launch fell inside the 86-day reporting window, that INSU300 was shipping as chip-package shielding, and that its carbon layer serves as a stray-photon absorber. QTREX is an existing Nasdaq company that acquired the AME business on April 6; the INSU300 launch came on September 23, after the period; the release says INSU300 is being provided to two government and defense organizations for validation; and no readable source describes package-integrated shielding or a stray-photon absorber, so those passages were removed.