Diameter[直径] | 50mm |
Length[长度] | 50 mm - 1000 mm |
Mechanical Properties(机械性能) |
Coefficient of friction | 0.05 - 0.20 |
Elongation at break ( % ) | 400.0 |
Hardness - Rockwell | D50-55-Shore |
Izod impact strength ( J m⁻¹ ) | 160.0 |
Poisson's ratio | 0.460 |
Tensile modulus ( GPa ) | 0.30 - 0.80 |
Tensile strength ( MPa ) | 10.00 - 40.00 |
Chemical Resistance(耐化学性) |
Acids - concentrated | Good |
Acids - dilute | Good |
Alcohols | Good |
Alkalis | Good |
Aromatic hydrocarbons | Good |
Greases and Oils | Good |
Halogenated Hydrocarbons | Good |
Halogens | Good |
Ketones | Good |
Physical Properties(物理性质) |
Density ( g cm⁻³ ) | 2.200 |
Flammability | V-0 |
Limiting oxygen index ( % ) | 95 |
Radiation resistance | Poor |
Refractive index | 1.380 |
Resistance to Ultra-violet | Excellent |
Water absorption - over 24 hours ( % ) | 0.010 |
Thermal Properties(热性能) |
Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 100.000 - 160.000 |
Heat-deflection temperature - 0.45MPa ( C ) | 120 |
Heat-deflection temperature - 1.8MPa ( C ) | 54.0 |
Lower working temperature ( C ) | -260 |
Specific heat ( J K⁻¹ kg⁻¹ ) | 1000.0 |
Thermal conductivity ( W m⁻¹ K⁻¹ ) | 0.25 @23℃ |
Upper working temperature ( C ) | 180 - 260 |
Electrical Properties(电气特性) |
Dielectric constant @1MHz | 2 - 2 |
Dielectric strength ( kV mm⁻¹ ) | 50.0 - 170.0 |
Dissipation factor @ 1MHz | 0.0003 - 0.0007 |
Surface resistivity ( Ohm/sq ) | 10¹⁷ |
Volume resistivity ( Ohmcm ) | 10¹⁸-10¹⁹ |