PSU 1000 Polysulfone (PSU) is an amber semi-transparent, heat-resistant, high performance engineering thermoplastic. It offers excellent mechanical, electrical and improved chemical resistance properties relative to polycarbonate. Polysulfone's properties remain relatively consistent over a broad temperature range, from –150 degreesF to 300 degreesF. PSU 1000 Polysulfone is hydrolysis resistant for continuous use in hot water and steam at temperatures up to 300 degreesF. Its flame resistance is UL 94 –V –0 at 1/4" thickness (6.35mm) and UL 94 –V –2 at 1/8" thickness (3.175mm).
PSU 1000 Polysulfone offers high chemical resistance to acidic and salt solutions, and good resistance to detergents, hot water and steam. In addition, polysulfone has excellent radiation stability, and offers low ionic impurity levels. PSU 1000 Polysulfone often replaces polycarbonate when higher temperatures, improved chemical resistance or autoclavability is required. It is commonly used for analytical instrumentation, medical devices and semiconductor process equipment components.
Food –grade PSU 1000 Polysulfone and custom colors can be special ordered. Only food-grade PSU 1000 is FDA, NSF, 3A –Dairy and USP Class VI compliant.
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- Broad temperature range capability
- Good thermal and electrical insulation characteristics
- Hydrolysis resistant
- Radiation stability
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| Water Absorption Immersion, 24 Hours | % by wt. | 0.3 | ASTM D570 (2) | | Water Absorption Immersion, Saturation | % by wt. | 0.6 | ASTM D570 (2) | | Density/Specific Gravity @ 73°F | lb/in3 | 0.0448 | ASTM D792 |
| Shear Strength, 73°F | psi | 9000 | ASTM D732 | | Tensile Strength, 73°F | psi | 10200 | ASTM D638 | | Hardness, Rockwell R, 73°F | - | 128 | ASTM D785 | | Hardness, Durometer, Shore "D" Scale, 73°F | - | 80 | ASTM D2240 | | Tensile Modulus of Elasticity, 73°F | ksi | 390 | ASTM D638 | | Hardness, Rockwell M, 73°F | - | 82 | ASTM D785 | | Izod Impact (notched), 73°F | ft-lb/in | 1.3 | ASTM D256 Type "A" | | Flexural Strength, 73°F | psi | 15000 | ASTM D790 | | Compressive Modulus of Elasticity, 73°F | ksi | 375 | ASTM D695 | | Compressive Strength, 10% Deformation, 73°F | psi | 13000 | ASTM D695 | | Tensile Elongation at Break, 73°F | % | 30 | - | | Flexural Modulus of Elasticity, 73°F | ksi | 400 | ASTM D790 |
| Thermal Conductivity | BTU-in/hr-ft2-°F | 1.8 | ASTM F433 | | Heat Deflection Temperature @ 264 psi | °F | 340 | ASTM D648 | | Tg-Glass Transition (Amorphous) | °F | 374 | ASTM D3418 | | Continuous Service Temperature in Air (Max.) (1) | °F | 300 | - | | Coefficient of Linear Thermal Expansion (-40°F to 300°F) | μin/in-°F | 31 | E-831 (TMA) | | Flammability, UL94 | - | HB | - |
| Dielectric Constant, 106 Hz | - | 3.14 | ASTM D150 | | Dissipation Factor, 106 Hz | - | 0.0008 | ASTM D150 | | Dielectric Strength, Short Term | kV/in | 425 | ASTM D149 | | Surface Resistance | ohms/sq. | >= 1.00e+13 | ANSI/ESD STM 11.11 |
| Ketones, Esters | - | Unacceptable | - | | Inorganic Salt Solutions, 73°F | - | Acceptable | - | | Hydrocarbons - Aromatic, 73°F | - | Unacceptable | - | | Hot Water / Steam | - | Limited | - | | Hydrocarbons - Aliphatic, 73°F | - | Limited | - | | Conductive / Static Dissipative, 73°F | - | No | - | | Continuous Sunlight, 73°F | - | Limited | - | | Alkalies, Weak, 73°F | - | Acceptable | - | | Chlorinated Solvents | - | Unacceptable | - | | Acids, Weak, 73°F | - | Acceptable | - | | Alcohols, 73°F | - | Acceptable | - | | Alkalies, Strong, 73°F | pH 11-14 | Unacceptable | - | | Acids, Strong, 73°F | pH 1-3 | Unacceptable | - |
| USP Class VI | - | Yes | - | | USDA | - | Yes | - | | NSF | - | Yes | - | | FDA | - | Yes | - | | Canada AG | - | No | - | | 3A-Dairy | - | Yes | - |
| NOTE: The information contained herein are intended for reference and comparison purposes only. They should NOT be used as a basis for design specifications or quality control. It is given without obligation or liability. Contact us for manufacturers' complete material property datasheets. |
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