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C-Stock RH-5 is a series of rigid Polymethacrylimide foams which will withstand temperatures to 380ºF. C-STOCK RH has a high compression and shear strength and a very low dielectric constant and low loss factor. It is easily machined to close tolerances.

Density: 48.0 - 48.0 kg/m³

Chemical Family: Polyimides (PI)

Physical Form: Foam

Technical Data Sheet

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Identification & Functionality

Chemical Family
Product Type

Features & Benefits

Applications & Uses

Applications
  • C-STOCK RH is useful as a low density, high temperature structural member, as a thermal barrier material, and as an RF window material.
  • C-STOCK RH may be thermo-formed at temperatures of 325ºF to 360ºF, and therefore finds significant uses as radome core material.

Properties

Physical Form
Typical Properties
ValueUnitsTest Method / Conditions
Density3.0lbs/ft3D1622
Dielectric Constant (2-20 GHz)1.09--
Dissipation Factor (5 GHz)0.0004--
Compressive Strength128.0psi D1621
Shear Strength114.0psi C273
Thermal Conductivity0.16Btu-in/ft2 -hr. -ºF-

Packaging & Availability

Available In
  • Standard Sheet Size  : 24 x 24 in.
  • Standard Thicknesses Available : 0.125, 0.25, 0.5, 1.0, 2.0 in