Grade[等级] | Additive Free Polymer |
Nominal Granule Size[标称颗粒大小] | 5 |
Weight[重量] | 100 g - 2000 g |
Mechanical Properties(机械性能) |
Abrasive resistance - ASTM D1044 ( mg/1000 cycles ) | 24 |
Coefficient of friction | 0.20 - 0.40 |
Elongation at break ( % ) | 50.0 |
Hardness - Rockwell | R77-83 |
Izod impact strength ( J m⁻¹ ) | 120.0 - - 320.0 |
Poisson's ratio | 0.340 |
Tensile modulus ( GPa ) | 1.00 - 3.00 |
Tensile strength ( MPa ) | 25.00 - 60.00 |
Physical Properties(物理性质) |
Density ( g cm⁻³ ) | 1.760 |
Flammability | V-0 |
Limiting oxygen index ( % ) | 44 |
Radiation resistance | Fair |
Refractive index | 1.420 |
Resistance to Ultra-violet | Excellent |
Water absorption - over 24 hours ( % ) | 0.040 |
Thermal Properties(热性能) |
Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 80.000 - 140.000 |
Heat-deflection temperature - 0.45MPa ( C ) | 120 - 150 |
Heat-deflection temperature - 1.8MPa ( C ) | 80.0 - 115.0 |
Lower working temperature ( C ) | -40 |
Thermal conductivity ( W m⁻¹ K⁻¹ ) | 0.10 - 0.25 @23℃ |
Upper working temperature ( C ) | 135 - 150 |
Chemical Resistance(耐化学性) |
Acids - concentrated | Good |
Acids - dilute | Good |
Alcohols | Good |
Alkalis | Fair |
Aromatic hydrocarbons | Good |
Greases and Oils | Good |
Halogenated Hydrocarbons | Good-Fair |
Halogens | Good-Poor |
Electrical Properties(电气特性) |
Dielectric constant @1MHz | 8 |
Dielectric strength ( kV mm⁻¹ ) | 13.0 |
Dissipation factor @ 1kHz | 0.0600 |
Surface resistivity ( Ohm/sq ) | 10¹³ |
Volume resistivity ( Ohmcm ) | 10¹⁴ |