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Rexolite® 1422 is a thermoset cross linked polystyrene copolymer. This material has a combination of good physical and excellent electrical properties including low loss and stable dielectric constant making this material suitable for microwave lenses as well as precision components. Also available in Rexolite® 1422, is copper clad for printed circuit boards.

Brand Names

  • Q200.5

Emco Industrial Plastics doesn’t claim to represent all of the manufacturers or trade name products listed. This list is intended as a guide of typical materials available for purchase from Emco Industrial Plastics, Inc. For additional information, contact an Emco Industrial Plastics representative by filling out the form below.

 

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At a Glance

Generic Name
Cross Linked Polystyrene

Available In
Sheet, Rod, Other

Certifications
LP-516A, type E2, formerly MIL-P-77C-E2

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Technical Information

Stock Products Properties Applications Advantages Grades

Stock Products

TypeSizeLengthColor
Sheet .010 to 6” Std sizes CTS Clear
Rod .030 to 9” Std sizes CTS Clear
Other Copper Clad, 1/32” to ¼”

Properties

Mechanical PropertiesUnitsASTMResults
Flexural Strength psi D790 11,500
IZOD Impact Strength Notched ft-lb/in D256 0.3
Thermal PropertiesUnitsASTMResults
Coefficient of Linear Thermal Expansion (x 10⁻⁵ in./in./°F) 7.0×10⁵
Thermal Conductivity BTU-in/ft²-hr-°F C177 1.01
Volume Resistivity, 50% RH ohm-cm >10¹⁶
Electrical PropertiesUnitsASTMResults
Dielectric Strength. 1/8″ th. V/mil D149 500
Dielectric Constant @1 MHz D150 2.53
Dissipation Factor@1 MHz D150 0.00012
Surface Resistivity @60 Hz ohms/sq D257 >10¹⁴
Optical PropertiesUnitsASTMResults
3mm Transparent Clear Transmittance, Total (%) % D542 159

NOTE: The property values presented above are typical values intended for reference and comparison purposes only. They should NOT be used as a basis for design specifications or quality control. Contact us for manufacturers’ complete material property datasheets. All values at 73°F (23°C) unless otherwise noted.

Applications

  • Microwave lenses
  • Microwave circuitry
  • Antennae
  • Radar windows
  • Sonar lenses
  • Coaxial cable connectors
  • Sound transducers
  • Surveillance equipment
  • TV Satellite dishes
  • Missile guidance system housings
  • Nondestructive material testing devices

Advantages

  • Light weight
  • Radiation resistant
  • Stability
  • Environmentally friendly
  • Low water absorption
  • Machinability
  • Ability to withstand high voltage
  • Chemical resistant

Grades

  • Rexolite® 2200
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