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It is commonly used in both structural and general-purpose bearing and wear applications. This material is available in natural and black. The natural material is compliant with FDA, USDA, NST, and 3A-Dairy regulations.
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Physical Properties |
Metric | English | Comments | |
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Density |
1.15 g/cc | 0.0415 lb/in³ | ASTM D792 | |
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Water Absorption |
0.3 % | 0.3 % | 24 hour immersion; ASTM D570 | |
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Moisture Absorption at Equilibrium |
0.9 % | 0.9 % | Water Vapor Regained | |
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Water Absorption at Saturation |
7 % | 7 % | Immersion; ASTM D570 | |
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Outgassing - Total Mass Loss |
2.4 % | 2.4 % | ||
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Collected Volatile Condensable Material |
0 % | 0 % | ||
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Hardness, Rockwell M |
85 | 85 | ASTM D785 | |
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Hardness, Rockwell R |
115 | 115 | ASTM D785 | |
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Hardness, Shore D |
80 | 80 | ASTM D2240 | |
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Tensile Strength, Ultimate |
79.3 MPa | 11500 psi | ASTM D638 | |
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Elongation at Break |
50 % | 50 % | ASTM D638 | |
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Tensile Modulus |
2.93 GPa | 425 ksi | ASTM D638 | |
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Flexural Modulus |
3.1 GPa | 450 ksi | ASTM D790 | |
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Flexural Yield Strength |
103 MPa | 15000 psi | ASTM D790 | |
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Compressive Yield Strength |
86.2 MPa | 12500 psi | 10% Deflection; ASTM D695 | |
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Compressive Modulus |
2.9 GPa | 420 ksi | ASTM D695 | |
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Machinability |
10 % | 10 % | QEPP 10 to 100 scale | |
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Shear Strength |
68.9 MPa | 10000 psi | ASTM D732 | |
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Coefficient of Friction |
0.25 | 0.25 | Dynamic; Dry vs. Steel; PTM55007 | |
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K (wear) Factor |
80 | 80 | 10-10 in3-min/lb-ft-hr; PTM55007 | |
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Limiting Pressure Velocity |
0.0946 MPa-m/sec | 2700 psi-ft/min | PTM55007 | |
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Izod Impact, Notched |
0.32 J/cm | 0.6 ft-lb/in | ASTM D256A | |
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Surface Resistivity per Square |
1e+013 ohm | 1e+013 ohm | EOS/ESD S11.11 | |
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Dielectric Constant |
3.6 | 3.6 | 1 MHz; ASTM D150(2) | |
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Dielectric Strength |
15.7 kV/mm | 400 V/mil | Short Term; ASTM D149(2) | |
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Dissipation Factor |
0.02 | 0.02 | 1 MHz; ASTM D150(2) | |
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CTE, linear 68¡ãF |
99ºC | 55ºF | ASTM E831 (TMA) | |
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Thermal Conductivity |
0.245 W/m-K | 1.7 BTU-in/hr-ft²-ºF | ||
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Melting Point |
260ºC | 500ºF | ASTM D3418 | |
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Maximum Service Temperature, Air |
98.9ºC | 210ºF | Continuous Service Without Load | |
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Deflection Temperature at 1.8 MPa (264 psi) |
93.3ºC | 200ºF | ASTM D648 | |
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Flammability, UL94 |
V-2 | V-2 | UL94 | |
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Compliance - Canada AG |
Not Compliant | |||
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Compliance - Dairy 3A |
Compliant | |||
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Compliance - FDA |
Compliant | |||
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Compliance - NSF |
Compliant | |||
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Compliance - USDA |
Compliant | |||
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Compliance - USP Class VI |
Not Compliant | |||
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Service in Alcohols |
Limited | |||
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Service in Aliphatic Hydrocarbons |
Acceptable | |||
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Service in Aromatic Hydrocarbons |
Acceptable | |||
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Service in Chlorinated Solvents |
Limited | |||
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Service in Continuous Sunlight |
Limited | |||
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Service in Ethers |
Acceptable | |||
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Service in Inorganic Salt Solutions |
Acceptable | |||
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Service in Ketones |
Acceptable | |||
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Service in Steam |
Limited | |||
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Service in Strong Acids |
Unacceptable | |||
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Service in Strong Alkalies |
Unacceptable | |||
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Service in Weak Acids |
Limited | |||
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Service in Weak Alkalies |
Limited | |||