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| JUTAIPSU® NA is a natural polysulfone rod designed for machined components used in medical equipment, laboratory systems, food and beverage processing equipment, hot-water systems and steam-cleaning environments. PSU provides good hydrolysis resistance, dimensional stability, mechanical strength and resistance to many acids, saline solutions and detergents. Rods are available in diameters from Ø4 to Ø200 mm and standard lengths of 1,000 mm, 2,000 mm and 3,000 mm. Cut-to-length supply, annealing and precision CNC machining are available. | |||||||||
JUTAIPSU® NA is an unfilled natural polysulfone rod developed for precision-machined components that require heat resistance, hydrolysis resistance, dimensional stability and reliable performance in hot-water or steam-cleaning environments.
The material has a translucent amber appearance and an amorphous structure. It combines mechanical strength, electrical insulation, chemical resistance and good dimensional stability over a wide temperature range.
JUTAIPSU® NA rods are available in diameters from Ø4 to Ø200 mm, with standard lengths of 1,000 mm, 2,000 mm and 3,000 mm.
Common diameters are available from stock. Customized diameters, cut lengths, tolerances and finished CNC-machined parts can be supplied according to customer requirements.
PSU provides excellent hydrolytic stability and retains useful mechanical properties during exposure to hot water and steam.
This makes it suitable for components used in medical equipment, laboratory systems, beverage-processing equipment and cleaning systems that undergo repeated hot-water washing or steam sterilization.
The number of sterilization cycles a finished component can withstand depends on:
• Selected resin grade
• Steam temperature and pressure
• Sterilization duration
• Component geometry
• Residual machining stress
• Cleaning chemicals
• Mechanical loading
• Required service life
For applications requiring a very high number of autoclave cycles, PPSU or PEEK should also be evaluated.
JUTAIPSU® NA offers good resistance to many mineral acids, saline solutions, detergents, hot water and aqueous cleaning environments.
Chemical suitability must be confirmed according to concentration, temperature, pressure, exposure time and mechanical stress.
PSU may be affected by ketones, chlorinated solvents, aromatic solvents and certain aggressive organic chemicals. Application testing is recommended before final approval.
PSU provides reliable long-term performance at elevated temperatures. The typical glass transition temperature is approximately 187°C, while the recommended continuous operating temperature depends on load, pressure, chemical environment and component design.
The glass transition temperature should not be treated as the recommended continuous-use temperature of a finished component.
Low moisture absorption, good creep resistance and relatively low thermal expansion help machined PSU parts retain dimensional accuracy during washing, sterilization and temperature changes.
Controlled annealing can be provided for precision components requiring tight tolerances or extensive material removal.
Natural PSU provides good tensile and flexural strength together with a favorable strength-to-weight ratio.
It is suitable for fittings, manifolds, supports, handles, sleeves, rollers, valve components and other machined parts that require rigidity and lower weight than metal.
PSU provides good dielectric strength and volume resistivity over a wide temperature range.
It can be used for insulating components in medical devices, laboratory instruments, beverage equipment and electrically controlled processing systems.
