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Formula: PPO (modified), PPE (modified)
Form: Rod
Material: PPO
CAS Number: 9041-80-9
Commodity: Polymers
We offer a range of PPO (polyphenylene oxide) rods with 78 variations available. They exhibit high strength and stiffness along with excellent chemical resistance. These properties make PPO a versatile engineering plastic suitable for applications like mechanical parts, precision machined components and electrical insulators. With numerous size options to choose from, our PPO rods are used to meet needs across industries like automotive, aerospace and electronics manufacturing.
Technical Data Sheet Safety Data Sheet Tolerance Properties
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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 Poor
Greases and Oils Good-Poor
Halogenated Hydrocarbons Fair-Poor
Halogens Poor
Ketones Poor
Mechanical Properties
Element Value
Coefficient of friction 0.35
Hardness - Rockwell M78/R115
Poisson's ratio 0.38
Elongation at break( % ) 50
Tensile modulus( GPa ) 2.5
Izod impact strength( J m⁻¹ ) 200
Abrasive resistance - ASTM D1044( mg/1000 cycles ) 20
Tensile strength( MPa ) 55-65
Electrical Properties
Element Value
Dielectric constant @1MHz 2.7
Dissipation factor @ 1kHz 0.004
Dielectric strength( kV mm⁻¹ ) 16-20
Surface resistivity( Ohm/sq ) 2x10¹⁶
Volume resistivity( Ohmcm ) 10¹⁷
Physical Properties
Element Value
Flammability HB
Radiation resistance Good
Limiting oxygen index( % ) 20
Water absorption - over 24 hours( % ) 0.1-0.5
Density( gcm⁻³ ) 1.06
Thermal Properties
Element Value
Heat-deflection temperature - 0.45MPa( C ) 137
Heat-deflection temperature - 1.8MPa( C ) 125
Lower working temperature( C ) -40
Upper working temperature( C ) 80-120
Thermal conductivity( W m⁻¹ K⁻¹ ) 0.22@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 60

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