Stratasys
ULTEM 9085 resin
FDM · PEI · Natural (Certified Grade; also available in Black, Red, and additional standard colors)
ULTEM™ 9085 resin is a PEI (polyetherimide) FDM filament with a high strength-to-weight ratio, high thermal and chemical resistance, and compliance with several aerospace and rail standards for flame, smoke and toxicity (FST). It is intended for production parts and functional prototyping.
68.1 MPa (XZ, at break)
Tensile Strength
2.52 GPa (XZ)
Tensile Modulus
5.4% (XZ, at break)
Elongation at Break
178.2°C (352.8°F) @66 psi
Heat Deflection Temperature

Finish and colour of the material as printed
Why choose ULTEM 9085 resin?Why this material
A high strength-to-weight ratio
Very high thermal resistance (HDT around 178°C)
High chemical resistance
Meets aerospace and rail flame, smoke and toxicity (FST) standards
Available in a Certified Grade (CG) with full chain-of-custody traceability
Technical propertiesVerified figures only
68.1 MPa (XZ, at break)
39.4 MPa (ZX, at break) · yield (XZ): 69.2 MPa, ASTM D638 — F900 T16, layer 0.254 mm
Tensile Strength
2.52 GPa (XZ)
2.41 GPa (ZX), ASTM D638
Tensile Modulus
5.4% (XZ, at break)
1.9% (ZX, at break), ASTM D638
Elongation at Break
178.2°C (352.8°F) @66 psi
170.2°C (338.3°F) @264 psi (XY), ASTM D648 Method B
Heat Deflection Temperature
1.27 (specific gravity)
ASTM D792 @23°C
Density
Natural
(Certified Grade · also available in Black, Red, and additional standard colors)
Natural Color
UL 94: rating HB at a thickness of 3 mm
rating V-0 at a thickness of 0.508 mm (XZ) / 1 mm (ZX)
Flame Rating
Typical applicationsWhat it is used for
End-use production parts
Functional prototypes
Aerospace interior components
Rail vehicle interior components (meets FST standards)
Compatible printersSystems that run this material
Fortus 450mc
F900
DocumentsTechnical data sheet
Technical Data Sheet
Download the Technical Data SheetMaterial characteristicsAppearance and classification
- High strength-to-weight
- FST-rated
- high heat resistance
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