
ULTEM™ 9085 (PEI)
ULTEM™ 9085 (polyetherimide) is an amorphous, high performance thermoplastic with excellent mechanical, thermal, and flame retardant properties. A high strength-to-weight ratio, compliance with many industry standards, and an accessible cost make PEI 9085 a leading material for additive manufacturing in aerospace, space, rail, automotive, and industrial applications.
Highlights
Density
1.28 g/cm³
Tensile Strength
70 MPa
Tensile Modulus
2.3 GPa
Heat Deflection
169 °C
Chemical Resistance
8 / 10
Key
Characteristics
- High strength-to-weight ratio
- Great heat resistance
- Excellent dimensional stability
- Great chemical resistance
- UL94 V-0 Flammability Rating
- Meets FAR 25.853 flame, smoke, and toxicity (FST) requirements
- Raw material conforms to Rail EN45545 R6-HL3 standard
- Low outgassing under vacuum (≤0.1% CVCM)
Properties
AON3D Readyprint™ PEI-9085
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*The data should be considered as indicative values - Properties can be influenced by processing conditions