| Grade[等级] | VICTREX® PEEK 450PF |
| Mean Particle Size[平均粒度] | 50 |
| Weight[重量] | 50g - 3000g |
| Chemical Resistance(耐化学性) |
| Acids - concentrated | Good-Poor |
| Acids - dilute | Good |
| Alcohols | Good |
| Alkalis | Good |
| Aromatic hydrocarbons | Good |
| Greases and Oils | Good |
| Halogenated Hydrocarbons | Good |
| Halogens | Good-Poor |
| Ketones | Good-Poor |
| Thermal Properties(热性能) |
| Coefficient of thermal expansion ( x10⁻⁶ K⁻1 ) | 47.000 - 108.000 |
| Heat-deflection temperature - 0.45MPa ( C ) | > 260 |
| Heat-deflection temperature - 1.8MPa ( C ) | 160.0 |
| Specific heat ( J K⁻1 kg⁻1 ) | 1340.0 |
| Thermal conductivity ( W m⁻1 K⁻1 ) | 0.25 @23℃ |
| Upper working temperature ( C ) | 250 |
| Physical Properties(物理性质) |
| Density ( g cm⁻3 ) | 1.260 - 1.320 |
| Flammability | V-0@1.5mm |
| Limiting oxygen index ( % ) | 35 |
| Radiation resistance | Good |
| Resistance to Ultra-violet | Fair |
| Water absorption - equilibrium ( % ) | 0.50 |
| Water absorption - over 24 hours ( % ) | 0.100 - 0.300 |
| Mechanical Properties(机械性能) |
| Coefficient of friction | 0.18 |
| Elongation at break ( % ) | 50.0 |
| Hardness - Rockwell | M99 |
| Izod impact strength ( J m⁻1 ) | 85.0 |
| Poisson's ratio | 0.400 |
| Tensile modulus ( GPa ) | 3.70 - 4.00 |
| Tensile strength ( MPa ) | 70.00 - 100.00 |
| Electrical Properties(电气特性) |
| Dielectric constant @1kHz | 3.20 - 3.30 @50Hz-10Khz |
| Dielectric strength ( kV mm⁻1 ) | 190.0 @50μm |
| Dissipation factor @ 1MHz | 0.0030 |
| Volume resistivity ( Ohmcm ) | 101⁵-101⁶ |
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