Diameter[直径] | 100mm |
Length[长度] | 100mm - 1000mm |
Physical Properties(物理性质) |
Density ( g cm⁻³ ) | 0.950 |
Flammability | HB |
Limiting oxygen index ( % ) | 17 |
Radiation resistance | Fair |
Refractive index | 1.540 |
Resistance to Ultra-violet | Poor |
Water absorption - over 24 hours ( % ) | < 0.010 |
Thermal Properties(热性能) |
Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 100.000 - 200.000 |
Heat-deflection temperature - 0.45MPa ( C ) | 75 |
Heat-deflection temperature - 1.8MPa ( C ) | 46.0 |
Specific heat ( J K⁻¹ kg⁻¹ ) | 1900.0 |
Thermal conductivity ( W m⁻¹ K⁻¹ ) | 0.45 - 0.52 @23℃ |
Upper working temperature ( C ) | 55 - 120 |
Electrical Properties(电气特性) |
Dielectric constant @1MHz | 2 - 2 |
Dielectric strength ( kV mm⁻¹ ) | 22.0 |
Dissipation factor @ 1MHz | 1.0000 - 10.0000 x 10⁻⁴ |
Surface resistivity ( Ohm/sq ) | 10¹³ |
Volume resistivity ( Ohmcm ) | 10¹⁵-10¹⁸ |
Mechanical Properties(机械性能) |
Coefficient of friction | 0.29 |
Hardness - Rockwell | D60-73-Shore |
Izod impact strength ( J m⁻¹ ) | 20.0 - - 210.0 |
Poisson's ratio | 0.460 |
Tensile modulus ( GPa ) | 0.50 - 1.20 |
Tensile strength ( MPa ) | 15.00 - 40.00 |
Chemical Resistance(耐化学性) |
Acids - concentrated | Good-Fair |
Acids - dilute | Good |
Alcohols | Good |
Alkalis | Good |
Aromatic hydrocarbons | Fair |
Greases and Oils | Good-Fair |
Halogenated Hydrocarbons | Fair-Poor |
Halogens | Fair-Poor |
Ketones | Good-Fair |