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Value Units Test Method / Conditions Tensile Strength ⁷ ⁶ 78 MPa ISO 527-1/-2 Tensile Strain (Elongation, at Break) ⁷ ⁶ 3 % ISO 527-1/-2 Tensile Modulus of Elasticity ⁹ ⁶ 5900 MPa ISO 527-1/-2 Shear Strength ⁶ 69 - - Shear Strength ⁶ 10000 PSI ASTM D732 Compressive Stress (at 1% Nominal Strain) ¹⁰ ⁶ 46 MPa ISO 604 Compressive Stress (at 2% Nominal Strain) ¹⁰ ⁶ 80 MPa ISO 604 Compressive Stress (at 5% Nominal Strain) ¹⁰ ⁶ 120 MPa ISO 604 Unnotched Charpy Impact Strength ⁶ 25 kJ/m² ISO 179-1/1eU Notched Charpy Impact Strength ⁶ 3 kJ/m² ISO 179-1/1eA Flexural Strength ¹² ⁶ 125 MPa ISO 178 Hardness, Rockwell Scale M ¹⁴ ⁶ 85 - ISO 2039-2 Hardness, Rockwell Scale M ¹⁴ ⁶ 85 - ASTM D785 Tensile Strength ⁶ ⁸ 11000 PSI ASTM D638 Tensile Strain (Elongation, at Break) ⁶ ⁸ 2 % ASTM D638 Tensile Modulus of Elasticity ⁶ ⁸ 850 PSI ASTM D638 Compressive Strength ⁶ ¹¹ 20000 PSI ASTM D695 Notched Izod Impact Strength ⁶ 0.7 ft.lb./in ASTM D256 Flexural Strength ¹³ ⁶ 27500 PSI ASTM D790 Flexural Modulus of Elasticity ⁶ 1100 PSI ASTM D790 - Thermal Properties
Value Units Test Method / Conditions Melting Temperature (at 10°C/min) ¹ 340 °C ISO 11357-1/-3 (Differential Scanning Calorimetry) Thermal Conductivity (at 23°C) ¹ 0.78 W/(K.m) - Coefficient of Linear Thermal Expansion (at -40°F - 300°F) ¹ 17 μin./in./°F ASTM E-831 (TMA) Coefficient of Linear Thermal Expansion (at 23°C - 100°C) ¹ 35 μm/(m.K) - Coefficient of Linear Thermal Expansion (Above 150°C) ¹ 85 μm/(m.K) - Coefficient of Linear Thermal Expansion (at 23°C - 150°C) ¹ 40 μm/(m.K) - Heat Deflection Temperature (Method A, 1.8 MPa) ¹ 195 °C ISO 75-1/-2 Service Temperature ⁴ ¹ min. -20 °C - Flammability (at 3 mm) ⁵ ¹ V-0 - UL 94 Continuous Allowable Service Temperature in Air (20 hrs) ³ ¹ 482 °F - Continuous Allowable Service Temperature in Air (20 hrs) ³ ¹ 250 °C - Flammability (Oxygen Index) ¹ 43 % ISO 4589-1/-2 Melting Temperature (at 50°F/min) ¹ 644 °F ASTM D3418 (Differential Scanning Calorimetry) Thermal Conductivity (at 73°F) ¹ 1.7 BTU in./(hr.ft².°F) - Heat Deflection Temperature (Method A, 264 PSI) ¹ 383 °F ASTM D648 Flammability (at 1/8 in) ⁵ ¹ V-0 - UL 94 - Miscellaneous Properties
Value Units Test Method / Conditions Density 1.45 g/cm³ ISO 1183-1 Water Absorption (After 24h Immersion in Water of 23°C) ¹⁶ 0.05 % ISO 62 Water Absorption (at Saturation in Water of 23°C) 0.35 % - Wear Rate ¹⁸ 2 μm/km ISO 7148-2 Dynamic Coefficient of Friction ¹⁸ 0.15 - 0.25 - ISO 7148-2 Limiting PV (at 0.1 / 1 m/s Cylindrical Sleeve Bearings) 0.66 Mpa.m/s - Specific Gravity 1.44 - ASTM D792 Water Absorption (After 24h Immersion in Water of 73°F) ¹⁷ 0.05 % ASTM D570 Water Absorption (at Saturation in Water of 73°F) ¹⁷ 0.3 % ASTM D570 Wear Rate ¹⁹ 100 in³.min/ft.lbs.hrX10⁻¹⁰ QTM 55010 Dynamic Coefficient of Friction ²⁰ 0.21 - QTM 55007 Limiting PV (at 100 FPM) ²¹ 20000 ft.lbs/in².min QTM 55007 - Note
- Note: 1 g/cm³ = 1,000 kg/m³ ; 1 MPa = 1 N/mm² ; 1 kV/mm = 1 MV/m
- This table, mainly to be used for comparison purposes, is a valuable help in the choice of material. The data listed here fall within the normal range of product properties of dry material. However, they are not guaranteed and should not be used to establish material specification limits or alone as the basis of design. See the remaining notes on the next page.
- 1 The figures given for these properties are for the most part derived from raw material supplier data and other publications.
- 2 Values for this property are only given here for amorphous materials and for materials that do not show a melting temperature (PBI & PI).
- 3 Temperature resistance over a period of min. 20,000 hours. After this period of time, there is a decrease in tensile strength – measured at 23 °C – of about 50 % as compared with the original value. The temperature value given here is thus based on the thermal-oxidative degradation which takes place and causes a reduction in properties. Note, however, that the maximum allowable service temperature depends in many cases essentially on the duration and the magnitude of the mechanical stresses to which the material is subjected.
- 4 Impact strength decreases with decreasing temperature, the minimum allowable service temperature is practically mainly determined by the extent to which the material is subjected to impact. The value given here is based on unfavorable impact conditions and may consequently not be considered as being the absolute practical limit.
- 5 These estimated ratings, derived from raw material supplier data and other publications, are not intended to reflect hazards presented by the material under actual fire conditions. There is no ‘UL File Number’ available for these stock shapes.
- 6 Most of the figures given for the mechanical properties are average values of tests run on dry test specimens machined out of rods 40-60 mm when available, else out of plate 10-20mm. All tests are done at room temperature (23° / 73°F)
- 7 Test speed: either 5 mm/min or 50 mm/min [chosen acc. to ISO 10350-1 as a function of the ductile behavior of the material (tough or brittle)] using type 1B tensile bars
- 8 Test speed: either 0.2"/min or 2"/min or [chosen as a function of the ductile behavior of the material (brittle or tough)] using Type 1 tensile bars
- 9 Test speed: 1 mm/min, using type 1B tensile bars
- 10 Test specimens: cylinders Ø 8 mm x 16 mm, test speed 1 mm/min
- 11 Test specimens: cylinders Ø 0.5" x 1", or square 0.5" x 1", test speed 0.05"/min
- 12 Test specimens: bars 4 mm (thickness) x 10 mm x 80 mm ; test speed: 2 mm/min ; span: 64 mm
- 13 Test specimens: bars 0.25" (thickness) x 0.5" x 5" ; test speed: 0.11"/min ; span: 4"
- 14 Measured on 10 mm, 0.4" thick test specimens
- 15 Electrode configuration Φ 25 / Φ 75 mm coaxial cylinders in transformer oil according to IEC 60296 ; 1 mm thick test specimens
- 16 Measured on disks Ø 50 mm x 3 mm
- 17 Measured on 1/8" thick x 2" diameter or square
- 18 Test procedure similar to Test Method A: “Pin-on-disk” as described in ISO 7148-2, Load 3MPa, sliding velocity= 0,33 m/s, mating plate steel Ra= 0.7-0.9 μm, tested at 23°C, 50%RH
- 19 Test using journal bearing system, 200 hrs, 118 ft/min, 42 PSI, steel shaft roughness 16±2 RMS micro inches with Hardness Brinell of 180-200
- 20 Test using Plastic Thrust Washer rotating against steel, 20 ft/min and 250 PSI, Stationary steel washer roughness 16±2 RMS micro inches with Rockwell C 20-24
- 21 Test using Plastic Thrust Washer rotating against steel, Step by step increase pressure, the test ends when plastic begins to deform or if temperature increases to 300°F