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Grade: MX002
Formula: PMP TPX®
Form: Rod
Material: Polymethylpentene (PMP, TPX®)
Commodity: Polymers
MX002 PMP Rod offers excellent machinability combined with the performance characteristics of polymethylpentene. Its low density and high-temperature resistance provide weight-efficient components that remain stable under thermal stress. The grade’s clarity, gas permeability, and chemical and steam resistance enable its use in harsh environments and sterilizable applications. MX002 rod is used in manufacturing custom components such as optical holders, sensor housings, and structural fixtures in laboratory and biomedical instruments. Its low refractive index and potential low dielectric nature also support its role in optical waveguide mounts and electrically insulated components. In research and advanced engineering, MX002 PMP Rod serves as a customizable, lightweight platform for prototyping durable parts—from sterile hardware fixtures and lab sensors to optomechanical assemblies. With its capability for precise machining and resilience to heat and chemicals, MX002 PMP Rod provides a valuable material base for innovation and high-reliability applications in scientific and industrial fields.
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Tolerances

Rod
Diameter +20% / -10%

Material Properties for Polymers

Chemical Resistance
Element Value
Acids - concentrated Good-Fair
Acids - dilute Good
Alcohols Good
Alkalis Good
Aromatic hydrocarbons Fair-Poor
Greases and Oils Good-Fair
Halogenated Hydrocarbons Fair-Poor
Halogens Fair-Poor
Ketones Good-Fair
Electrical Properties
Element Value
Dielectric constant @1MHz 2.12
Dissipation factor @ 1kHz 0.0002
Volume resistivity( Ohmcm ) >10¹⁶
Physical Properties
Element Value
Flammability HB
Refractive index 1.463
Resistance to Ultra-violet Poor
Limiting oxygen index( % ) 17
Water absorption - over 24 hours( % ) 0.01
Density( gcm⁻³ ) 0.835
Mechanical Properties
Element Value
Hardness - Rockwell R85
Elongation at break( % ) 15
Tensile modulus( GPa ) 1.5
Izod impact strength( J m⁻¹ ) 49
Tensile strength( MPa ) 25.5
Thermal Properties
Element Value
Heat-deflection temperature - 0.45MPa( C ) 100
Heat-deflection temperature - 1.8MPa( C ) 40
Lower working temperature( C ) 20
Upper working temperature( C ) 75-115
Specific heat( J K⁻¹ kg⁻¹ ) 2000
Thermal conductivity( W m⁻¹ K⁻¹ ) 0.17@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 117

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