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Grade: MX002
Formula: PMP TPX®
Form: Filament
Material: Polymethylpentene (PMP, TPX®)
Commodity: Polymers
Diameter: 1.4mm
Color: Yellow
MX002 PMP Filament, as a continuous fiber form, combines low density, excellent transparency, and chemical resistance with robust thermal performance. The filament retains the resin’s intrinsic clarity and low refractive index, managing high temperatures with a strong melting point while resisting steam and aggressive solvents. The material’s gas permeability and superior release characteristics suggest applications in filtration, fiber-based sensors, and membrane technologies. Industries such as advanced manufacturing, biomedical filtration, and laboratory instrumentation adopt MX002 filaments for hollow-fiber membranes, temperature-resistant sensor fibers, and reinforcement in composite structures. In research settings, MX002 PMP Filament enables novel innovations, such as transparent, thermally stable fiber sensors, permeable fiber-reinforced barriers, and optical fluidic waveguides where clarity and chemical resilience are critical. MX002 PMP Filament delivers the performance needed for cutting-edge projects—functioning as a durable, lightweight material that bridges optics, filtration, and fiber-based device development.
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Tolerances

Filament
Diameter ±20%
Length +5% / -1%

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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