Ledger · 2026-09-05 · Materials Science
Amino-Functionalized Boron Nitride Nanosheet (BNNS-NH2) Silicone Gap Fillers via Urea-Assisted Ball Milling
Rejected
This concept did not clear the framework. The reasoning is published in full below.
What the assessment found
| Incumbent benchmark | Bergquist Gap Filler TGF 4000 (Henkel) |
| Entry application | Thermally conductive gap fillers for EV battery packs |
| Measured advantage | Venture thermal conductivity of 1.16-1.94 W/mK is 51% to 71% below Bergquist TGF 4000 (4.0 W/mK). |
| Time to first revenue | 6 months |
| Gross margin at parity | 95.1% |
| Startup CapEx | $65,000 |
| Payback from first sale | 1.4 months |
| Capital productivity | 15.29x |
| Regulatory risk | Moderate — qualification costs reported ($45,000 estimated) |
Why it failed
- Voided by: Negative control / sub-2x, Absence search missing
- Evidence rests on non-peer-reviewed sources
- Absence asserted, search unreported
Assessment
The venture explicitly concedes failure on performance, achieving only 1.16-1.94 W/mK thermal conductivity versus the 4.0 W/mK delivered by Henkel's market-leading Bergquist TGF 4000. Additionally, the report fails the market absence gate due to the absence of a structured Market Absence Ledger with numeric search counts.
Also flagged
- Duplicate references inflating the evidence base
- Price parity asserted, not sourced
- envelope_after_superiority
A rejection is not a claim that the science is wrong. It means the venture case did not survive: the comparator was not what the buyer actually buys, the comparison was not like-for-like, the advantage fell short of a step change, or the capital and time to first revenue were prohibitive.
Assessed 2026-09-05 against seven gates plus the voiding sub-tests. How the method works · Browse all concepts