The 30-second version
A structural twin of carbon
Roll a sheet of hexagonal boron nitride into a tube. Same honeycomb geometry as a carbon nanotube, but every other atom swapped for boron and nitrogen. That one substitution changes almost everything.
Properties carbon can't match
Oxidation-resistant to ~900 °C, a constant ~5.5 eV insulator regardless of chirality, piezoelectric, optically transparent, and an exceptional neutron absorber. A different materials-design space entirely.
Making it, affordably
High-quality BNNT sells for $150–450 per gram, roughly 20× a research-grade carbon nanotube. The cost is not the boron and not the energy. It's the difficulty of making tubes selectively at scale.
Explore the resource
BNNT vs carbon nanotubes
The comparison everyone asks for: same geometry, near-identical stiffness, but insulating vs conducting, transparent vs black, heat-resistant vs flammable — and when to choose each.
Synthesis methods
Every major route from the 1995 discovery to today: arc discharge, laser vaporization, chemical vapor deposition, ball-milling, and induction thermal plasma, mapped by throughput and quality.
Applications
Aerospace thermal protection, radiation shielding, metal- and polymer-matrix composites, transparent structural reinforcement, nanofluidics, piezoelectric sensing, and emerging quantum-sensing uses.
The producer landscape
Who actually makes BNNT today, by what process, and where they sit on quality versus cost — from BNNT Materials and NRC/Tekna to PPK, BNNano, and American Boronite.
Reference library
A curated, citation-verified library of the primary literature — discovery papers, major reviews, synthesis milestones, and the 2024–2026 frontier — every entry linked to its source.
Processing & handling
The practical bridge from raw material to real part: what's in the jar, how BNNT is purified and dispersed, functionalization, and getting it into a composite.
Safety & toxicology
A neutral read of the biocompatibility and toxicology literature — encouraging and cautionary studies alike — plus handling principles. Informational, not safety advice.
News & updates
A sourced digest of what's moving in BNNT — nucleation control, nanofluidics, new synthesis and application results, and producer and market news.
BNNT in medicine
The therapeutic side: boron neutron capture therapy for cancer, drug delivery, and piezoelectric cell stimulation — where the shielding isotope becomes a precision weapon. Mostly preclinical.
About Bornitron
Bornitron is an early-stage research venture built around a single conviction: that the barrier holding BNNT back is a manufacturing problem, and that solving it requires exploiting what makes BNNT fundamentally different from carbon, rather than borrowing methods built for carbon.
The Bornitron.com domain was registered in 2014, at the beginning of more than a decade of work in BNNT structure, manufacture, and application. This site is both a contribution to the field and the public face of that venture. Read more about our approach and goals →