Description

Eccosorb® HR

HIGH-LOSS, THIN, ELASTOMERIC MICROWAVE ABSORBER

Eccosorb BSR is a thin, flexible, high-loss, electrically non-conductive silicone absorber. It is designed for the frequency range from 6 GHz to mm wave. It has low outgassing properties and high temperature resistance.

Specific product Characteristics

Features&Benefits
Lightweight Open-cell Different thicknesses, different frequencies High free space reflectivity performance
Markets
Commercial Telecom Parabolic Antennas Security and Defense Testand Measurement
Typical application
Lining of antenna shrouds for low side-lobe reflect or 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 610 mm x 610 mm (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.
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.

Product properties

Properties	ECCOSORB BSR
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.
* Outgassing data per ASTM E595-07; criteria for acceptability is 1.00% TML and 0.10% CVCM.

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