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DX820 PMP Granules

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Grade: DX820 Composition: PMP TPX® Form: Granule Material: Polymethylpentene (PMP, TPX®) Commodity: Polymers Nominal Granule Size: 3mm
DX820 PMP Granules deliver a high-modulus profile with excellent transparency and low density, making them ideal for precision applications requiring stiffness and optical clarity. Commonly employed in packaging, filtration, and electronic component manufacturing, DX820 supports uses such as synthetic papers, release papers for synthetic leather, and porous membrane development. Its high gas permeability also makes it valuable for gas-separation technologies and experimental testing devices. With proven chemical resistance and thermal stability, DX820 is instrumental in scientific formulations and material science innovation, contributing to advancements in filtration, optics, and specialty coatings. This material is trusted for its performance consistency, offering engineers and researchers a dependable solution in environments where thermal and chemical stability are critical. Its ability to withstand high processing temperatures and its compatibility with modern manufacturing techniques make it a standout choice across multiple sectors. TPX™ materials like this grade continue to drive progress in lightweight polymers, replacing heavier alternatives without compromising performance.
Starting at $221.00 each
No Minimum order Free technical support *Free delivery worldwide

Material Properties

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
each

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Available Configurations

Properties common to all products in this list

Grade: DX820 Composition: PMP TPX® Form: Granule Material: Polymethylpentene (PMP, TPX®) Commodity: Polymers Nominal Granule Size: 3mm

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