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REXOLITE®

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Material Information

Rexolite® is a thermoset, rigid, translucent plastic produced by the cross linking of polystyrene and divinylbenzene. This light weight, environmentally friendly, material is most known for its outstanding dielectric properties and its optical clarity that matches acrylic. Rexolite® also offers the ability to withstand high voltages, resistance to radiation, dimensional stability, negligible outgassing, less than .05% water absorption, resistance to chemicals with the exception of aromatic and hydrocarbons, and is easy to machine. Rexolite® is available in an unfilled grade (Rexolite® 1422), a glass filled grade (Rexolite® 2200), and a copper-clad grade (Rexolite® copper-clad). The main difference between Rexolite® 2200 and the basic Rexolite® 1422 is that the glass reinforcement in Rexolite® 2200 provides greater rigidity, stability, and tensile strength. Both Rexolite® 2200 and 1422 can be copper clad for use in electronic circuits. Rexolite® is available in rod and sheet.

Application

  • Microwave lenses and circuitry
  • Antennae
  • Coaxial cable connectors
  • Sonar lenses
  • Surveillance equipment
  • Sound transducers
  • Tv satellite dishes
  • Radar windows
  • Misssle guidance system housings

Properties

  • Outstanding dielectric properties
  • Optical clarity
  • Light weight
  • Rigid
  • Environmentally friendly
  • Radiation resistance
  • Chemical resistance
  • Dimensional stability
  • Negligible outgassing
  • Very low water absorption
  • Easy machinability
  • High tensile strength

Specifications

PhysicalAstm Test MethodRexolite® 1422 (Unfilled)Rexolite® 2300
(Glass-filled)
Density (lb/in^3)D7920.0380.042
Specific GravityD7921.051.11
Water Absorption @ 24 hours (%)D5700.00080.1
Mechanical
Tensile Strength (PSI)D6389,0009500
Flexural Strength (PSI)D79011,50010500
Izod Impact (Notched), ft-lb/inD2560.30.75
Thermal
Coefficient of Thermal
Expansion, 10^-5/°F
D6963.83.2
Continous Service Temp (Operating), °FD648212212
Electrical
Dielectric Strength, Short Term,
(Volts/Mil) @ .125″ Thick
D149500500
Surface Resistivity (ohms-cm) at 50% RHD257>10^145 x 10^12
Dielectric Constant at 1 MHzD1502.532.62
Dissipation Factor at 1 MHzD1500.000120.0004
Volume resistivity (ohm-cm) at 50% RHD257>10^165 x 10^13

Disclosure: The information contained herein 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.

 

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