Researcher develops 'spray-on' stealth coating for drones — volcanic rock formulation claims to reduce radar return signals by up to 43dB, compared to 20 to 30dB for typical radar absorbent material

https://www.tomshardware.com/author/jowi-morales· May 24, 2026 · 12:25 PM UTC ·9 min read · 0 reactions · 0 comments · 43 views

#drones #technology #defense

TL;DR · WeSearch summary

A Turkish researcher has developed a spray-on stealth coating for drones that claims to significantly reduce radar return signals. The material, named Kürşat 3.0, reportedly offers a 43dB signal attenuation, surpassing typical radar absorbent materials. However, its effectiveness still requires validation by third-party experts.

Key facts

▪The Kürşat 3.0 coating is designed for drones and small uncrewed aerial vehicles.
▪It has been in development for over seven years by researcher Yunus İnce.
▪The coating uses volcanic basalt and pumice structures to trap electromagnetic signals.

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Original publisher	Tom's Hardware
Canonical URL	https://www.tomshardware.com/tech-industry/researcher-develops-spray-on-stealth-coating-for-drones-volcanic-rock-formulation-claims-to-reduce-radar-return-signals-by-up-to-43db-compared-to-20-to-30db-for-typical-radar-absorbent-material
Publication time	Sun, 24 May 2026 12:25:00 +0000
Retrieval time	2026-05-24T12:27:32.378Z
Last seen	2026-05-24T12:27:32.378Z
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Opening excerpt (first ~120 words) tap to expand

Tech Industry Researcher develops 'spray-on' stealth coating for drones — volcanic rock formulation claims to reduce radar return signals by up to 43dB, compared to 20 to 30dB for typical radar absorbent material News By Jowi Morales published 24 May 2026 Stealth on a budget. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. (Image credit: Getty Images) Copy link Facebook X Whatsapp Reddit Pinterest Flipboard Email Share this article 0 Join the conversation Follow us Add us as a preferred source on Google Newsletter Subscribe to our newsletter A Turkish researcher just shared details of a sprayable radar absorbent material (RAM) designed to be applied to drones and other small uncrewed aerial vehicles (UAVs).

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