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 MethodEnglish XZ Orientation English ZX OrientationMetric XZ OrientationMetric ZX Orientation
Tensile Strength, Yield (Type 1, 0.125”, 0.2”/min)ASTM D6386,800 psi4,800 psi47 MPa33 MPa
Tensile Strength, Ultimate (Type 1, 0.125”, 0.2”/min) ASTM D6389,950 psi6,100 psi69 MPa42 MPa
Tensile Modulus (Type 1, 0.125”, 0.2”/min)ASTM D638312,000 psi329,000 psi2,150 MPa2,270 MPa
Tensile Elongation at Break (Type 1, 0.125”, 0.2”/min)ASTM D6385.8%2.2%5.8%2.2%
Tensile Elongation at Yield (Type 1, 0.125”, 0.2”/min)ASTM D6382.2%1.7%2.2%1.7%
Flexural Strength (Method 1, 0.05”/min)ASTM D79016,200 psi9,900 psi112 MPa68 MPa
Flexural Modulus (Method 1, 0.05”/min)ASTM D790331,000 psi297,000 psi2,300 MPa2,050 MPa
Flexural Strain at Break (Method 1, 0.05”/min)ASTM D790No Break3.7%No Break3.7%
IZOD Impact, notched (Method A, 23°C)ASTM D2562.2 ft-lb/in0.9 ft-lb/in120 J/m48 J/m
IZOD Impact, un-notched (Method A, 23°C)ASTM D25614.6 ft-lb/in3.2 ft-lb/in781 J/m172 J/m
Compressive Strength, Yield (Method 1, 0.05”/min)ASTM D69514,500 psi12,700 psi100 MPa87 MPa
Compressive Strength, Ultimate (Method 1, 0.05”/min)ASTM D69526,200 psi13,100 psi181 MPa90 MPa
Compressive Modulus (Method 1, 0.05”/min)ASTM D6951,030,000 psi251,000 psi7,012 MPa1,731 MPa
Thermal PropertiesTest MethodEnglishMetric
Heat Deflection (HDT) @ 264 psi, 0.125” unannealedASTM D648307°F153°C
Glass Transition Temperature (Tg)DSC (SSYS)367°F186°C
Coefficient of Thermal ExpansionASTM E8313.67×10-05 in/(in·°F)65.27 µm/(m·°C)
Melting PointNANA
Electrical PropertiesTest MethodValue Range
Volume ResistivityASTM D2574.9 x1015 – 8.2×1015 ohm-cm
Dielectric ConstantASTM D150-983 – 3.2
Dissipation FactorASTM D150-98.0026 – .0027
Dielectric StrengthASTM D149-09, Method A110 – 290 V/mil
OtherTest MethodValue
Specific GravityASTM D7921.34
Flame ClassificationUL 94V-0 (1.5 mm, 3 mm)
Rockwell HardnessASTM D785
Oxygen IndexASTM D28630.49
OSU Total Heat Release (2 min test, . 060” thick)FAR 25.85316 kW min/m²
UL File NumberE345258
Total Mass Loss (TML)ASTM E5950.41% (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-810GPassed
Burn Testing
Horizontal Burn (15 sec)14 CFR/FAR 25.853Passed (0.060” thick)
Vertical Burn (60 sec)14 CFR/FAR 25.853Passed (0.060” thick)
Vertical Burn (12 sec)14 CFR/FAR 25.853Passed (0.060” thick)
45° Ignition14 CFR/FAR 25.853Passed (0.060” thick)
Heat Release14 CFR/FAR 25.853Passed (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