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Hydex™ 301 is a clear grade of Isoplast. It combines excellent clarity (almost 90% light transmission) with a broad range chemical resistance and outstanding practical toughness.

Do you need Fabrication or Machining for Hydex 301?

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At a Glance

Generic Name
Rigid Polyurethane

Available In
Sheet, Rod

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Technical Information

Stock Products Properties Applications Advantages Grades

Stock Products

Sheet .25″ to 4″ 24” x 24” CTS, 24” x 48” CTS Clear
Rod .25″ to 6″ Varies by diameter Clear

Give us your cut-to-size dimensions. We will precision-cut these plastics to your exact size. Additional sizes and colors available upon request.


Physical PropertiesUnitsASTMResults
Density lb/in³ D792 1.2
Water Absorption, 24 hrs % D570 0.19
Mechanical PropertiesUnitsASTMResults
Tensile Strength @ yield psi D638 10,000
Tensile Elongation @Break % D638 140
Flexural Strength psi D790 14000
Flexural Modulus psi 34000
IZOD Impact Strength Notched ft-lb/in D256 2.4
Thermal PropertiesUnitsASTMResults
Coefficient of Linear Thermal Expansion (x 10^-5 in./in./°F) 3.4
Heat Deflection Temp at 66 psi °F D648 220
Heat Deflection Temp at 264 psi °F 170


  • Bearings
  • Gears
  • Industrial hardware (nuts/bolts)
  • Industrial processing equipment
  • Level gauges
  • Oil & gas field equipment
  • Small engine components


  • Good chemical resistance
  • High impact strength
  • Dimensionally stable
  • Low moisture absorption
  • Wear resistant
  • Clarity & toughness


  • Hydex™ 202
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