Ultem 9085 is a pioneering thermoplastic that is strong, lightweight and flame-retardant (UL 94-V0 rated). With its superior mechanical performance and strength-to-weight ratio, Ultem 9085 is suitable for end-use production-grade components, particularly in the aerospace and automotive industries. Other applications including highly functional prototypes and production tools.

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Technical Specifications

Standard lead time Minimum of 5 working days, depending on part size, number of components and finishing degrees (offline & online orders)
Standard accuracy ±0.15% (with lower limit on ±0.2 mm)
Layer thickness 0.25 mm
Minimum wall thickness 1 mm
Maximum part dimensions 914 x 610 x 914 mm (offline orders)
406 x 355 x 406 mm (online orders)
Interlocking or enclosed parts? No
Surface structure Unfinished parts typically have a rough surface but all kinds of fine finishes are possible. FDM parts can be smoothed, painted and coated


Density 1.34 g/cm³    
Tensile Strength 72 MPa  ASTM D638
Tensile Modulus 2220 MPa  ASTM D638  
Flexural Strength 115 MPa  ASTM D790  
Flexural Modulus 2507 MPa  ASTM D790 
Notched Izod Impact 106 J/m  ASTM D256 
Unnotched Izod Impact 613.8 J/m  ASTM D256 
Heat Deflection Temperature
@ 1.81 MPa
Elongation at Break  5.8%  ASTM D638
Oxygen Index 49%  ASTM D2863
Vertical Burn (Test a (60s), passes at) 2s FAR25.853
FAA Flammability (Method A/B) <5 FAR25.853
OSU Peak Heat Release (2 min test/1.5 mm thick) 16 kW/min-/m2 FAR25.853

Actual values may vary with build condition

How Does Fused Deposition Modeling Work?

FDM is a filament-based technology where a temperature-controlled head extrudes a thermoplastic material layer by layer onto a build platform. A support structure is created where needed and built in a non-water-soluble material.

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