ULTEM 9085

Strong and heat-resistant, ULTEM 9085 (Selective Deposition FDM), PEI, aerospace-grade, FST-rated

Fused Deposition Modeling (FDM)

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Material Info

About

This material is available on request
Minimum order quantities apply. Contact our team to discuss your project requirements. Upload your design and we will review it and get back to you with a tailored quote

ULTEM 9085 is a flame-retardant polyetherimide (PEI) for FDM that combines high strength-to-weight, excellent heat resistance, and FST performance for transportation interiors and demanding industrial use. Ideal when you need production-grade thermoplastic performance straight off the printer.

Color & Finishes

Print mode - Solid
Prints fully solid models

Print mode - Custom infill (on request)
Lightweight or partially filled structures (e.g. 20–50%) available by review

Technology

• Fused Deposition Modeling (FDM)

mds_fdm_ultem9085_0525a

Material Properties

• Tensile Strength (ASTM D638)
  81 MPa

• Tensile Modulus (ASTM D638)
  2400 MPa

• Elongation at Break (ASTM D638)
  6.0%

• Heat Deflection Temp @ 0.455 MPa (ASTM D648)
  153°C

Description

Material Highlights

• High-performance thermoplastic with exceptional strength-to-weight ratio, high heat resistance, and inherent flame retardancy; ideal for aerospace and transportation.
• Optical properties: Amber translucent (not optically clear); limited light transmission.
• Moisture resistance: Excellent — low water absorption, maintains stability in humid environments.
• Applications: Aerospace components, electrical housings, automotive interiors, functional prototypes, flame-retardant enclosures.

Design Guidelines

Bounding Box

• Maximum Bounding Box 914 x 609 x 914 mm (natural)
• Minimum Bounding Box X + Y + Z ≥ 15 mm

Walls

• Supported Walls 1.2mm
• Unsupported Walls 1.5mm

Wires

• Supported Wires 1.2mm
• Unsupported Wires 1.5mm

Details

• Embossed Details 0.5mm
• Engraved Details 0.3mm

Clearance

• Minimum 0.30 mm

Sprues

• Not supported

Interlocking & Enclosed Parts

• Interlocking Not supported
• Enclosed Not supported

Multiple Parts

• Not supported

Parts in File

• 1

Accuracy

• ± 0.3% with a lower limit of ± 0.3 mm

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