XRAM-C Series Broadband Radar Absorbing Coatings for UAV and Aerospace Stealth
Defense

XRAM-C Series Broadband Radar Absorbing Coatings for UAV and Aerospace Stealth

Editorial Team

The XRAM-C Series delivers broadband radar reflection loss of up to -3.5 dB across S, C, X, and Ku bands in a thin 0.40 to 0.60 mm coating weighing as little as 1.1 kg per square metre, enabling radar signature reduction on UAV, aerospace, and naval platforms without altering geometry.

Radar signature management has become an increasingly central procurement consideration across UAV development programmes, aerospace system upgrades, and naval platform modernisation efforts. The driver is straightforward: platforms that reduce their radar cross-section gain operational time before detection, and that window translates directly into mission survivability across contested electromagnetic environments. The challenge for platform engineers is achieving that signature reduction without the weight penalty and geometric disruption that thicker absorber constructions or structural reshaping impose on aerodynamic and payload budgets.

XRAM-C Series: Broadband Coating for Multi-Band Signature Control

The XRAM-C Series radar absorbing coatings are developed for broadband electromagnetic signature reduction across multiple frequency bands from a single thin liquid coating system. Three model grades address different operational requirements: the XRAM-C105 targets X and Ku band absorption, the XRAM-C112 operates across S and C bands, and the XRAM-C113B covers the C and X band overlap region. Reflection loss across these grades reaches up to -3.5 dB, with coating thickness held to 0.40 to 0.60 mm depending on the grade. Surface density ranges from 1.1 to 1.8 kg per square metre, and adhesion strength of 8 to 10 MPa ensures coating durability across flight cycles, vibration, and thermal excursion. Heat resistance to 250 degrees Celsius over a 100-hour exposure cycle supports application on surfaces that experience elevated thermal loading during powered flight.

UAV Stealth and Aerospace Platform Integration

Long-range UAV programmes integrating the XRAM-C Series apply the coating to fuselage panels, wing leading edges, and radome surfaces through a standard spray coating process. Because the coating system is applied as a liquid and cured in place, it conforms to the existing surface geometry without requiring mould changes or structural modification, which is the practical requirement for retrofit stealth integration on platforms already in production or service. The broadband absorption profile across X and Ku bands addresses the frequencies most commonly associated with airspace surveillance and fire-control radar systems, providing meaningful cross-section reduction at the frequency ranges that most directly affect platform detectability in operational threat environments.

Naval and Maritime Applications Under Salt Spray Conditions

Naval vessel superstructures and maritime platform surfaces present corrosion resistance requirements that eliminate many coating systems from consideration for long-term deployment. The XRAM-C Series is formulated for humidity, salt spray, and harsh environmental conditions, drawing on the corrosion-resistant behaviour developed through the surface modification process applied to the radar absorbing agent particles dispersed within the coating matrix. The coating system supports application to composite and metallic substrate types common in naval superstructure construction, and the customisable formulation allows frequency-band emphasis to be adjusted for specific threat environments encountered in the operational theatre.

Industrial and EMI Shielding Applications

Beyond aerospace and naval platforms, the XRAM-C Series addresses commercial electromagnetic interference management requirements on wind turbine blade structures, communication tower panels, and electronic enclosure surfaces where radar reflection or electromagnetic emission create operational or regulatory compliance requirements. The same spray coating process and curing cycle that applies to defence platforms works on industrial substrates, and the stable batch consistency designed into the manufacturing process supports scalable production across large-footprint commercial infrastructure projects. Enquiries regarding evaluation samples and custom frequency-band formulation development are handled through Star-Navi's defence and industrial sales channels at sales@star-navi.net.

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