PSU is an amorphous thermoplastic. PSU is flame-retardant, has very low smoke development and is self-extinguishing.
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Properties
Very good dimensional stability
Low moisture absorption
Flame-retardant and self-extinguishing
Low smoke development
Good resistance to high-energy radiation
Exceptionally low radiation in the microwave range
High strength, stiffness and hardness over a wide temperature range
Good machinability
Good thermoformability
Good adhesive properties
Good weldability
High continuous operating temperature
Low coefficient of linear expansion
Good electrical insulation properties
Processing
PSU can be machined with conventional machines and tools. PSU can be processed in numerous ways, e.g. turning, milling, sawing, planing. The material is used among other things in parts that must withstand higher temperatures or high mechanical loads.