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TPX™ is a crystalline thermoplastic with a very low-density value of 0.82 g/cc and unique permeability characteristics. Its typical color is a translucent milky white, however in thinner gage sheet and film the material is transparent.

Polymer Name: Polymethylpentene (PMP)

Physical Form: Rods, Sheets, Slab

Features: Chemical Resistant, Excellent Dielectric Properties, Heat Resistance, Low Density, Low Moisture Absorption

Density: 835.0 - 835.0 kg/m³

Tensile Modulus: 1930.52 - 1930.52 MPa

Color: Translucent, White

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Chemical Family
Technologies

Features & Benefits

Manufacturing Capabilities

Westlake Plastics TPX Manufacturing Capabilities

Applications & Uses

Applications
  • Speaker cones
  • Gas separating membranes
  • Release films
  • Carrier films for ceramic slurry
  • Antennas
  • Ultrasonic imaging equipment

Properties

Physical Form
Mechanical Properties
ValueUnitsTest Method / Conditions
Flexural Modulus210000psiASTM D790
Tear Strength (Prop.)125g/milASTM D1004
Tensile Modulus280000psiASTM D882
Tensile Strength (Break)10%ASTM D882
Tensile Strength (Yield)4110psiASTM D882
Typical Properties
ValueUnitsTest Method / Conditions
Area Factor32725in2/lb/mil
Haze2%ASTM D1003
Loss on Ignition (LOI)max. 25%ASTM D2863
Refractive Index1.463
Specific Gravity0.835ASTM D792
UL RatingHBUL94
Water Absorption (24 hours)0.01%ASTM D570
Thermal Properties
ValueUnitsTest Method / Conditions
Heat Deflection Temperature (66 psi)455°F
Continuous Use Temperature (UL)212°F
Heat Deflection Temperature212°FASTM D648
Electrical Properties
ValueUnitsTest Method / Conditions
Dielectric Constant (1 KHz)2.12ASTM D150
Dielectric Strength (0.003")3710V/milASTM D149
Dissipation Factor (1kHz)2.5e-05ASTM D150
Surface Resistivitymin. 1016OhmsASTM D257