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Grade: Glass Fiber Reinforced - 30%
Formula: PPO 30% GFR
Form: Rod
Material: Polyphenylene oxide (PPO)
Commodity: Polymers
Diameter: 10mm

30% Glass Fiber Reinforced Modified PPO Rod

30% Glass Fiber Reinforced Modified PPO (modified) Rod merges the intrinsic dimensional stability, low moisture absorption, and dielectric performance of polyphenylene oxide (PPO) with the strength, stiffness, and heat resistance conferred by glass fiber reinforcement. At 30% fiber content, the material exhibits markedly improved tensile strength, thermal deflection temperature, and creep resistance, while retaining PPO’s machinability and electrical insulating properties. These rods are applied in aerospace systems, electrical and electronic components, and precision mechanical assemblies requiring consistent performance under thermal and mechanical stress. Specific uses include structural supports in high-voltage equipment, mechanical housings in aerospace electronics, and load-bearing insulators in industrial machinery. In research and innovation, its balanced mechanical-electrical profile supports the design of high-performance thermoplastics for multifunctional applications. Its combination of processing versatility, thermal endurance, and mechanical reliability makes it a cornerstone material in advanced engineering and industrial innovation.
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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
Electrical Properties
Element Value
Dielectric constant @1MHz 3.1
Dissipation factor @ 1kHz 0.01
Dielectric strength( kV mm⁻¹ ) 15
Volume resistivity( Ohmcm ) 10¹⁷
Physical Properties
Element Value
Flammability HB
Limiting oxygen index( % ) 26
Water absorption - over 24 hours( % ) 0.06-0.33
Density( gcm⁻³ ) 1.29
Mechanical Properties
Element Value
Hardness - Rockwell L108
Poisson's ratio 0.27
Elongation at break( % ) 02-Mar
Tensile modulus( GPa ) 08-Sep
Izod impact strength( J m⁻¹ ) 80
Abrasive resistance - ASTM D1044( mg/1000 cycles ) 35
Tensile strength( MPa ) 100-120
Thermal Properties
Element Value
Heat-deflection temperature - 0.45MPa( C ) 165
Heat-deflection temperature - 1.8MPa( C ) 135
Upper working temperature( C ) 90-160
Thermal conductivity( W m⁻¹ K⁻¹ ) 0.28@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 25-30

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