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Eccosorb® HR Series Datasheet

Laird Technologies EMI

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Datasheet

Eccosorb® HR
Lightweight, Open-cell, Broadband Microwave Absorber
Americas: +1.866.928.8181
Europe: +49.(0)8031.2460.0
Asia: +86.755.2714.1166
www.lairdtech.com
LIGHTWEIGHT BROADBAND FOAM ABSORBER
Eccosorb HR is a lightweight, flexible, flat-sheet, broadband absorber based on a reticulated
(open-cell) polyurethane foam material impregnated with carbon black dispersions with
controlled conductivity. Automated impregnation methods are used in order to obtain a
gradient loading of the absorber.
FEATURES AND BENEFITS
Lightweight
Open-cell
Different thicknesses, different frequencies
High free space reflectivity performance
MARKETS
Commercial Telecom
Parabolic Antennas
Security and Defense
Test and Measurement
SPECIFICATIONS
TYPICAL PROPERTIES ECCOSORB HR
Frequency Range (GHz) 5 to 90
Max. Service Temperature °C (°F) 90 (194)
Density kg/m³ (lb/ft³) 45 (2.8)
Tensile Strength (kPA) 70
Elongation (%) 170
Data for design engineer guidance only. Observed performance varies in application.
Engineers are reminded to test the material in application.
APPLICATIONS
Lining of antenna shrouds for low side-lobe reflector antennas.
Decoupling of adjacent antennas and array elements.
Camouflaging and interference suppression applications.
Masking of reflecting structures i.e. masts in anechoic chambers.
AVAILABILITY
Standard sheets are 610mm x 610mm (24”x24”).
The material is available in 3 standard thicknesses :
Eccosorb HR-10 - nominal thickness 10mm
Eccosorb HR-15 - nominal thickness 15mm
Eccosorb HR-25 - nominal thickness 25mm
Other sizes and customer specified configurations can be delivered upon request.
Eccosorb® HR
2
RFP-DS-HR 092815
A
ny information furnished by Laird Technologies, Inc. and its agents is believed to be accurate and reliable. All specifications are subject to change without notice. Responsibility for the use and application of Laird Technologies materials rests with the
end user. Laird Technologies makes no warranties as to the fitness, merchantability, suitability or non- infringement of any Laird Technologies materials or products for any specific or general uses. Laird Technologies shall not be liable for incidental or
consequential damages of any kind. All Laird Technologies products are sold pursuant to the Laird Technologies’ Terms and Conditions of sale in effect from time to time, a copy of which will be furnished upon request. © Copyright 2015 Laird
Technologies, Inc. All Rights Reserved. Laird, Laird Technologies, the Laird Technologies Logo, and other marks are trademarks or registered trademarks of Laird Technologies, Inc. or an affiliate company thereof. Other product or service names may be
the property of third parties. Nothing herein provides a license under any Laird Technologies or any third party intellectual property rights.
INSTRUCTIONS FOR USE
As the material is a gradient loaded absorber, the back side of the absorber is marked and
this side should be bonded to the surface. The front surface should face the incident
electromagnetic energy for proper performance.
For optimal performance, Eccosorb HR should be bonded to a metal surface. If a metal
surface is not available, the absorber can be supplied with an aluminium foil backing (ML)
designated as HR-XX-ML.
Our specific Eccostock® foam adhesive is recommended to bond Eccosorb HR.
-50
-45
-40
-35
-30
-25
-20
-15
-10
-5
0
60 65 70 75 80 85 90
Reflectivity (dB)
Frequency (GHz)
HR Reflectivity
HR-10 HR-15 HR-25

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