CRS Datasheet, PDF (1/2 Pages) Ohmite Mfg. Co. – Avaliable in two sizes ARCOLs CRS utilises Electron Beam

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Eccosorb®CRS
Two-Part Castable Silicone Load Absorber
TWO-PART CASTABLE SILICONE LOAD ABSORBER
Eccosorb CRS is a series of castable, magnetically loaded, RTV silicone rubber materials with high-
loss in the microwave frequency range. When fully cured, Eccosorb CRS will duplicate the
electrical properties of its counterpart in the Eccosorb® MFS series. For example, Eccosorb CRS-
117 is electrically equivalent to Eccosorb MFS-117. Being a true elastomer, Eccosorb CRS, when
cured, has a number of distinct advantages over rigid materials of the Eccosorb MF type. For
electrical and physical properties of the Eccosorb CRS series, please see the datasheet on
Eccosorb MF.
FEATURES AND BENEFITS
• 2-component castable
• Low outgassing
MARKETS
• Commercial Telecom
• Security and Defense
SPECIFICATIONS
TYPICAL PROPERTIES
Frequency Range
Service Temperature °C (°F)
Density (g/cc)
Thermal Expansion Coefficient per °C
(per °F)
Thermal Conductivity W/mK
Hardness, Shore A
Water Absorption, % 24h
Dielectric Strength volts/mil
Volume Resistivity, ohm-cm
ECCOSORB CRS-117
>1 Ghz
<160 (<320)
4.16
63 x 10^-6
(35 x 10^-6)
0.9
75
<0.1
>10
>10¹⁰
ECCOSORB CRS-124
>1 Ghz
<160 (<320)
4.55
59 x 10^-6
(33 x 10^-6)
1.0
75
<0.1
>10
>10¹⁰
Data for design engineer guidance only. Observed performance varies in application.
Engineers are reminded to test the material in application.
APPLICATIONS
• Eccosorb CRS can be used to cast cones, wedges and pyramids for terminations and loads.
• It can be used to fill cavities or can be painted on surfaces to suppress the flow of currents.
This product line finds use in antennas and transmission lines.
• Eccosorb CRS can also be poured in place to form microwave gaskets, where a sheet elastomer
would not fit. It can also be poured around the base of microwave tubes to prevent undesired
energy flow.
• When bonded to surfaces, Eccosorb® CRS will withstand temperature cycling (even to
cryogenic temperatures). It can be deformed and shaped to contoured surfaces and is not
subject to damage from impact or shock.
AVAILABILITY
• Eccosorb CRS is available in 2 grades : CRS-117 & CRS-124.
• Eccosorb CRS is supplied as a 2-part system, consisting of a Part A(resin) and Part B (catalyst).
• Please contact your local supplier for available sizes and packages, as there might be some
regional differences.