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Ensinger SPI
Syensqo (Solvay Specialty Polymers) Udel® P-3500 NT 11 Polysulfone (PSU)  (discontinued **)
Categories: Polymer; Thermoplastic; Polysulfone (PSU)

Material Notes: Udel® polysulfone is a tough, rigid, high-strength thermoplastic with outstanding hydrolytic resistance. Udel® P-3500 LCD MB series polymers are particularly well suited for the fabrication of porous hollow fiber and flat sheet membranes using a solvent-based process. These high molecular weight polymers are used in a variety of membrane filtration applications, such as renal dialysis, water treatment, bio-processing, food and beverage processing, and industrial gas separation.

Udel® polysulfone polymers possess a number of attributes that are valued by the membrane industry, including excellent mechanical properties, stability at pH levels from 2-13, excellent resistance to caustic and good resistance to moderate concentrations of chlorine. They feature low levels of extractible and insoluble materials making them suitable for drinking water and food contact uses. They may be sterilized using steam, ethylene oxide and e-beam radiation.

Udel® P-3500 is soluble in commercially available, water-miscible, dipolar, aprotic solvents, such as dimethylacetamide (DMAC), dimethylformamide (DMF), and N-methylpyrrolidone (NMP). These materials offer membrane producers very good control of pore size and pore size distribution, high membrane strength, and good film-forming properties.

Key Attributes: Acid Resistant; Alcohol Resistant; Alkali Resistant; Chemical Resistant; Good Toughness; High Heat Resistance; Hydrocarbon Resistant; Hydrolytically Stable

Applications: Membranes

Agency Ratings: FDA 21 CFR 177.1655; NSF Unspecified Rating

Injection Notes: UDEL P-3500 polysulfones may be dried before preparing solutions. Pellets can be dried in a circulating hot air oven, by spreading the pellets on trays to a 1-2 inch depth and drying for 3.5 hours at 257 to 325°F (135 to 163°C).

Information provided by Solvay Specialty Polymers.

Vendors:
Available Properties
  • Density, ASTM D792
  • Water Absorption, ASTM D570
  • Tensile Strength at Break, ASTM D638
  • Elongation at Break, ASTM D638
  • Tensile Modulus, ASTM D638
  • Flexural Strength, ASTM D790
  • Flexural Modulus, ASTM D790
  • Izod Impact, Notched, ASTM D256
  • Tensile Impact Strength, ASTM D1822
  • Volume Resistivity, ASTM D257
  • Dielectric Constant, ASTM D150
  • Dielectric Constant, ASTM D150
  • Dielectric Constant, ASTM D150
  • Dielectric Strength, ASTM D149
  • Dissipation Factor, ASTM D150
  • Dissipation Factor, ASTM D150
  • Dissipation Factor, ASTM D150
  • CTE, linear, Parallel to Flow, ASTM D696
  • Deflection Temperature at 1.8 MPa (264 psi), ASTM D648, Unannealed
  • Zone 1, Extrusion
  • Zone 5, Extrusion
  • Melt Temperature, Extrusion
  • Drying Temperature, Extrusion
  • FDA, See notes for details.
  
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Manufacturer Notes:
Solvay Specialty Polymers (includes former Solexis)

Category Notes
Plastic

**
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