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Grade: MX002
Formula: PMP TPX®
Form: Disk
Material: Polymethylpentene (PMP, TPX®)
Commodity: Polymers
Thickness: 0.05mm
Surface Finish: Matt/Gloss
Color: Natural
MX002 PMP Disk is a high-clarity, thermally resilient polymethylpentene component ideal for optical and high-temperature instrumentation. It exhibits outstanding transparency, with low refractive index and durable chemical resistance, maintaining integrity even in steam or aggressive chemical environments. Though specific dielectric data for disk form is limited, the grade’s low dielectric nature suggests suitability for electrical and sensor applications. In industries like optics, microfabrication, and laboratory instrumentation, MX002 disks serve as sterilizable optical covers, precision windows in analytical equipment, and components in hollow-fiber modules. The disk form also lends itself to custom apertures or signal-transparent interfaces in microscopy, high-vacuum chambers, and acoustic devices. Its combination of optical precision, chemical and thermal resilience in a machinable, disk shape supports research into photonics, microfluidic instrumentation, and optics-based diagnostics. MX002 PMP Disk provides a high-performance, transparent platform for innovation and precision engineering across scientific and industrial sectors.
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Tolerances

Disc
Thickness ±20%

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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