A Top Choice For High-Performance Parts

ULTEM 9085 is one of the most well-received FDM printing materials in the industry with its reputation for reliability, and well-rounded thermal, mechanical and chemical properties.


ULTEM 9085 is an FDM thermoplastic used in industries such as aerospace, automotive, and military applications due to its high strength-to-weight ratio and FST (flame, smoke, and toxicity) rating. Using a resin base, this 3D printing material’s unique certifications make it an ideal solution for many spaces requiring high-performance for digital manufacturing and/or rapid prototyping. Use ULTEM 9085 to empower design and manufacturing engineers to print advanced functional prototypes and production parts.



Material Performance

ULTEM 9085 resin is a flame-retardant high-performance thermoplastic that makes applications that demand thermal and chemical resistance possible.

Material Properties Izod notch testing


107 J/m XZ axis

Material Properties Heat Deflection

Heat Deflection


Material Properties Flexural Strength


112 MPa XZ axis
68 MPa ZX axis

Material Properties Tensile Strength


47 MPa XZ axis
33 MPa ZX axis

Material Highlights


  • Heat resistant
  • Chemical resistant
  • Strong and durable, with outstanding tensile and flexural strength
  • Dimensionally stable
  • Impact-resistant


  • Available in Tan & Black


  • Aerospace components
  • Automotive parts including housings, ducts and semi-structural components
  • Advanced functional prototypes
  • Production parts


  • Flame retardant plastic
  • Excellent strength

Performance Scale

Material Colours

Powered By FDM

Build durable and high-quality parts with FDM. Consisting of production-grade thermoplastics, parts 3D printed with FDM are affordable, mechanically strong and stable over time.


Technical Specifications

Mechanical Properties  Test Method English XZ Orientation  English ZX Orientation Metric XZ Orientation Metric ZX Orientation
Tensile Strength, Yield (Type 1, 0.125”, 0.2”/min) ASTM D638 6,800 psi 4,800 psi 47 MPa 33 MPa
Tensile Strength, Ultimate (Type 1, 0.125”, 0.2”/min)  ASTM D638 9,950 psi 6,100 psi 69 MPa 42 MPa
Tensile Modulus (Type 1, 0.125”, 0.2”/min) ASTM D638 312,000 psi 329,000 psi 2,150 MPa 2,270 MPa
Tensile Elongation at Break (Type 1, 0.125”, 0.2”/min) ASTM D638 5.8% 2.2% 5.8% 2.2%
Tensile Elongation at Yield (Type 1, 0.125”, 0.2”/min) ASTM D638 2.2% 1.7% 2.2% 1.7%
Flexural Strength (Method 1, 0.05”/min) ASTM D790 16,200 psi 9,900 psi 112 MPa 68 MPa
Flexural Modulus (Method 1, 0.05”/min) ASTM D790 331,000 psi 297,000 psi 2,300 MPa 2,050 MPa
Flexural Strain at Break (Method 1, 0.05”/min) ASTM D790 No Break 3.7% No Break 3.7%
IZOD Impact, notched (Method A, 23°C) ASTM D256 2.2 ft-lb/in 0.9 ft-lb/in 120 J/m 48 J/m
IZOD Impact, un-notched (Method A, 23°C) ASTM D256 14.6 ft-lb/in 3.2 ft-lb/in 781 J/m 172 J/m
Compressive Strength, Yield (Method 1, 0.05”/min) ASTM D695 14,500 psi 12,700 psi 100 MPa 87 MPa
Compressive Strength, Ultimate (Method 1, 0.05”/min) ASTM D695 26,200 psi 13,100 psi 181 MPa 90 MPa
Compressive Modulus (Method 1, 0.05”/min) ASTM D695 1,030,000 psi 251,000 psi 7,012 MPa 1,731 MPa
Thermal Properties Test Method English Metric
Heat Deflection (HDT) @ 264 psi, 0.125” unannealed ASTM D648 307°F 153°C
Glass Transition Temperature (Tg) DSC (SSYS) 367°F 186°C
Coefficient of Thermal Expansion ASTM E831 3.67×10-05 in/(in·°F) 65.27 µm/(m·°C)
Melting Point NA NA
Electrical Properties Test Method Value Range
Volume Resistivity ASTM D257 4.9 x1015 – 8.2×1015 ohm-cm
Dielectric Constant ASTM D150-98 3 – 3.2
Dissipation Factor ASTM D150-98 .0026 – .0027
Dielectric Strength ASTM D149-09, Method A 110 – 290 V/mil
Other Test Method Value
Specific Gravity ASTM D792 1.34
Flame Classification UL 94 V-0 (1.5 mm, 3 mm)
Rockwell Hardness ASTM D785
Oxygen Index ASTM D2863 0.49
OSU Total Heat Release (2 min test, . 060” thick) FAR 25.853 16 kW min/m²
UL File Number E345258
Total Mass Loss (TML) ASTM E595 0.41% (1.00% maximum)
Collected Volatile Condensable
Material (CVCM)
ASTM E595 -0.1% (0.10% maximum)
Water Vapor Recovered (WVR) ASTM E595 -0.37% (report)
Fungus Resistance (Method 508.6) MIL-STD-810G Passed
Burn Testing
Horizontal Burn (15 sec) 14 CFR/FAR 25.853 Passed (0.060” thick)
Vertical Burn (60 sec) 14 CFR/FAR 25.853 Passed (0.060” thick)
Vertical Burn (12 sec) 14 CFR/FAR 25.853 Passed (0.060” thick)
45° Ignition 14 CFR/FAR 25.853 Passed (0.060” thick)
Heat Release 14 CFR/FAR 25.853 Passed (0.060” thick)
NBS Smoke Density (flaming) Passed (0.060” thick)
NBS Smoke Density (non-flaming) Passed (0.060” thick)

System Compatibility

Fortus 900mc

Fortus 450mc 3D Printer

Fortus 450mc