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ULTEM: Polyetherimide (PEI)/Overview


Unparalleled Versatility
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The propensity to accept various fillers (e.g. glass and carbon) and to compound compatibility with diverse polymers imbues ULTEM with great versatility: the resin has over 100 unique grades, not counting custom blend, bonds well with several different materials and can be molded into complex geometries with thin walls.

Design Options
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ULTEM balances exceptional mechanical properties and ease of processability offering design engineer’s exceptional flexibility and freedom to create products that are aesthetically appealing, ergonomically subtle, durable and manufacturable.

Property Combinations
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ULTEM can tolerate maximum temperatures of 340° F during continuous operations while maintaining rigidity and strength, offers exceptional chemical resistance with high dielectric strength, and exhibits natural flame resistance with extremely low smoke generation. It is a viable alternative to metals and polymers with less potent properties.


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ULTEM Sterilization Trays

Trays to hold medical instruments during autoclave sterilization must be FDA-compliant, steam and chemical resistant, and have stiffness and impact strength. Transparency and color coding may be a desired options.

Unfilled ULTEM meets this combination of properties. Sufficiently strong without fiber reinforcement ULTEM withstands repeated exposure to all current methods of sterilization. It is transparent and available in a range of colors, and can be injection molded with ribs and other structural strengthening features.

China Array: Molder of
High Performance Polymers

China Array, with engineering offices in Pittsfield, Massachusetts, USA and a wholly owned, state-of-the-art injection molding and mold making facility in Wuhan, China, specializes in molding and machining high performance thermoplastics.



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Case Studies