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WAVASORB® HHP

Advanced Broadband Hollow Pyramidal Absorber

WAVASORB® HHP is a lightweight broadband absorber series featuring a hollow pyramidal geometry manufactured from carbon-loaded polyurethane foam. The thick tapered pyramid walls provide excellent impedance matching over a wide frequency band, delivering premium absorption performance from 60 MHz up to 40 GHz.

Optimized geometry for each absorber ensures high performance starting at low frequencies, while certified fire-retardant properties and environmental compliance support safe operation in demanding EMC and antenna test environments. Continuous quality monitoring and internal ISO 9001 procedures guarantee consistent, repeatable absorber performance.

    Key Features

    • Advanced broadband hollow pyramidal absorber design
    • Optimized performance from 60 MHz up to 40 GHz
    • Carbon-loaded polyurethane foam construction
    • Excellent continuous-wave power handling capability
    • Certified fire-retardant and environmentally compliant
    • REACH and RoHS compliant
    • Designed and quality controlled using commercial and original simulating test techniques

    Typical Applications

    • Far-Field and Near-Field facilities
    • Compact Antenna Test Ranges (CATR)
    • Radar Cross Section (RCS) facilities
    • Electronic Warfare (EW) test ranges
    • Wireless Over-The-Air (OTA) measurement systems

    Material & Construction

    • Hollow pyramidal absorber geometry
    • Carbon-loaded polyurethane foam material
    • Standard color: light blue with black tip
    • Standard footprint: 61 cm × 61 cm (without backing plate, ±6 mm tolerance)
    • Total height (HHP-60): 152.4 cm (±6 mm tolerance)
    • Nominal weight (HHP-60): 15.0 kg
    • Number of pyramids per piece: 1
    • Product life: +25 years under controlled environment
    • Multiple variables available (plastic coating, painting/coating colors, etc.)

    Compliance & Safety

    • Fire retardancy compliant with: UL-94 HBF, V-0 and HF-1 EN 13501-1: ISO 11925-2 Class E ISO 4589-2 DIN 4102-1 Class B2 NRL 8093 Tests 1, 2 and 3
    • Environmental testing according to: IEC 60068-2-1 Test Ab AATCC 30-IV (2004)
    • REACH compliant (EC 1907/2006)
    • RoHS compliant (Directive 2015/863/EU)
    • Quality control according to IEEE 1128 and ISO 9001

    Installation & Integration

    WAVASORB® HHP is typically bonded using a modular installation technique known as plate & rail mounting, ensuring precise geometry and alignment compatible with all common shielding types.

    For chamber validation, Emerson & Cuming AC has developed VSWR Field-Probe measurement techniques to verify chamber performance at system level.

    Alternative surface treatments and customization options are available to meet specific mechanical, environmental or aesthetic requirements.

    Datasheet

    WAVASORB® HHP
    Detailed technical specifications, reflectivity performance curves, fire certifications and environmental compliance data are available in the official WAVASORB® HHP datasheet.
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