Star-Navi XRAM-C

A Chinese firm selling radar-stealth "by the kilogram" — Star-Navi's XRAM-C spray-on radar-absorbing coating, available off the shelf in 1, 5 and 10 kilogram tubs. The headline performance claim is modest, but the significance is the commoditization: a capability once reserved for billion-dollar stealth platforms, applied with a spray gun to throwaway drones.

Overview

XRAM-C is a series of spray-on radar-absorbing material (RAM) coatings marketed by Star-Navi, a Shenzhen-based Chinese company. It is a black-gray liquid sprayed onto a prepared surface and cured; it works by absorbing incoming radar energy and shedding it as heat rather than reflecting it back, trimming a platform's radar cross-section so air-defense radars get a weaker return. What makes it notable is not the physics but the packaging: Star-Navi sells the coating commercially by weight, in 1, 5 and 10 kilogram containers, applied with ordinary spray equipment and no specialized factory, as Defence Blog reported. It is a material, not a platform — included in the Lexicon because the off-the-shelf sale of even a modest stealth treatment matters for the cheap, mass-produced drones that now dominate the Ukraine and Russia battlefields, and because it fits China's longer-term push to mass-produce low-cost radar-absorbing materials.

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