- 密度 [g/cm3]: 1.29
- 吸水率 [%]: 5.5
Physical Properties | Metric | English | Comments |
---|---|---|---|
Density | 1.29 g/cc | 0.0466 lb/in³ | ISO 1183-1 |
Moisture Absorption at Equilibrium | 1.7 % | 1.7 % | 50% RH |
Water Absorption at Saturation | 5.5 % | 5.5 % | |
Mechanical Properties | Metric | English | Comments |
Hardness, Rockwell M | 76 | 76 | ISO 2039-2 |
Hardness, Shore D | 80 | 80 | |
Ball Indentation Hardness | 165 MPa | 23900 psi | ISO 2039-1 |
Tensile Strength | 85.0 MPa | 12300 psi | at Yield; ISO 527-1/-2 |
Elongation at Break | 5.0 % | 5.0 % | ISO 527-1/-2 |
Tensile Modulus | 5.00 GPa | 725 ksi | ISO 527-1/-2 |
Compressive Strength | 43.0 MPa @Strain 1 % | 6240 psi @Strain 1 % | ISO 604 |
77.0 MPa @Strain 2 % | 11200 psi @Strain 2 % | ISO 604 | |
112 MPa @Strain 5 % | 16200 psi @Strain 5 % | ISO 604 | |
K Factor (ISO) | 11 µm/km | 11 µm/km | |
Charpy Impact Unnotched | 5.00 J/cm² | 23.8 ft-lb/in² | ISO 179-1/1eU |
Charpy Impact, Notched | 0.600 J/cm² | 2.86 ft-lb/in² | ISO 179-1/1eA |
Coefficient of Friction, Dynamic | 0.25 - 0.40 | 0.25 - 0.40 | |
Limiting Pressure Velocity | 0.120 MPa-m/sec | 3430 psi-ft/min | at 1 m/s unlubricated |
0.180 MPa-m/sec | 5140 psi-ft/min | at 0.1 m/s unlubricated | |
Electrical Properties | Metric | English | Comments |
Volume Resistivity | >= 1.0e+14 ohm-cm | >= 1.0e+14 ohm-cm | IEC 60093 |
Surface Resistivity per Square | >= 1.0e+13 ohm | >= 1.0e+13 ohm | IEC 60093 |
Dielectric Constant | 3.9 @Frequency >=100000 Hz | 3.9 @Frequency >=100000 Hz | IEC 60250 |
Dielectric Strength | 27.0 kV/mm | 686 kV/in | |
Dissipation Factor | 0.012 @Frequency 100000 Hz | 0.012 @Frequency 100000 Hz | IEC 60250 |
Comparative Tracking Index | 475 V | 475 V | IEC 60112 |
Thermal Properties | Metric | English | Comments |
CTE, linear | 60.0 µm/m-°C @Temperature 23.0 - 100 °C | 33.3 µin/in-°F @Temperature 73.4 - 212 °F | |
Thermal Conductivity | 0.300 W/m-K | 2.08 BTU-in/hr-ft²-°F | |
Melting Point | 260 °C | 500 °F | DSC, 10°C/min.; ISO 11357-1/-3 |
Maximum Service Temperature, Air | 110 °C | 230 °F | Continuous; 20,000 h |
120 °C | 248 °F | Continuous; 5,000 h | |
Deflection Temperature at 1.8 MPa (264 psi) | 150 °C | 302 °F | ISO 75-1/-2 |
Flammability, UL94 | HB | HB | |
Compliance Properties | Metric | English | Comments |
3A-Dairy | No | No | |
European Food 1935/2004 | No | No | |
FDA | No | No | |
USP Class VI | No | No | |
Chemical Resistance Properties | Metric | English | Comments |
Acids, Strong (pH 1-3) | Unacceptable | Unacceptable | |
Acids, Weak | Limited | Limited | |
Alcohols | Limited | Limited | |
Alkalies, Strong (pH 11-14) | Unacceptable | Unacceptable | |
Alkalies, Weak | Limited | Limited | |
Chlorinated Solvents | Limited | Limited | |
Continuous Sunlight | Limited | Limited | |
Hot Water / Steam | Limited | Limited | |
Hydrocarbons - Aliphatic | Acceptable | Acceptable | |
Hydrocarbons - Aromatic | Acceptable | Acceptable | |
Inorganic Salt Solutions | Acceptable | Acceptable | |
Ketones, Esters | Acceptable | Acceptable |