Solvay PSU Udel P-3500 NT 11 Polysulfone Resin Transparent Material Greatest Toughness P3500

Udel® PSU (polysulfone) is a rigid, high-strength, semi-tough, transparent plastic that offers higher heat resistance and better hydrolytic stability than polycarbonate. It retains its good mechanical properties when exposed to steam and other sterilization techniques.

• Excellent thermal stability
• Well suited for fabrication of hollow fiber and flat sheet membranes
• Stability at pH levels from 2-13
• Excellent resistance to caustic and good resistance to chlorine
• Low levels of extractible and insoluble materials
• May be sterilized using steam, ethylene oxide, and e-beam radiation
• High toughness and strength
• Good environmental stress cracking resistance
• High heat deflection temperature, 174°C (345°F)
• Combustion resistance
• Transparency
• Approved for food contact and potable water
• Low creep

The Udel P-3500 LCD is an extremely high molecular weight polysulfone with the highest toughness and chemical resistance among available brands. Very suitable for extrusion. The advantage of the Udel P-3500 LCD stems from its lower levels of a circular dimeric polymer.

Polysulfone is a high-toughness, high-rigidity, and transparent, high-strength thermoplastic suitable for long-term use at temperatures up to 300°F (149°C). Contains antioxidant and antihydrolysis properties, can be exposed to high temperature environments for extended periods, and can withstand repeated sterilization.

Polysulfone is resistant to inorganic acids, alkali, salt solutions, detergents, and hydrocarbon oils. Contact with polar solvents such as ketones, chlorinated hydrocarbons and aromatic hydrocarbons should be avoided as these compounds may cause stress cracking or dissolution.

The resin resists gamma-ray or electron beam radiation degradation, but prolonged exposure to UV light may cause adverse effects. Maintains very stable electrical performance across wide temperature ranges, even after water immersion or exposure to highly humid environments.

The resin is safe for food contact applications and meets CFR 177.1655 standards, suitable for reusable items with food contact. Additionally compliant with NSF, USDA meat and poultry exposure, and Dairy Association 3-A hygiene standards.