ULTEM™ 9085

Ultem™ 9085 is a flame retardant high performance thermoplastic for direct digital manufacturing and rapid prototyping.

It is ideal for the transportation industry due to its high strength-to-weight ratio and it FST (flame, smoke, and toxicity) rating.

ULTEM 9085 – The High Performance Material

This unique material’s preexisting certifications make it an excellent choice for the commercial transportation industry – especially aerospace, marine, and ground vehicles.

Ultem 9085 allows design and manufacturing engineers to produce fully functional parts that are ideal for advanced functional prototypes or end use without the cost or lead time of traditional tooling.

Color options: Black and Tan


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Mechanical Properties Test Method English Metric
Tensile Strength (Type 1, 0.125”, 0.2”/min) ASTM D638 10,400 psi 71.6 MPa
Tensile Modulus (Type 1, 0.125”, 0.2”/min) ASTM D638 322 kpsi 2,200 MPa
Tensile Elongation (Type 1, 0.125”, 0.2”/min) ASTM D638 6% 6%
Flexural Strength (Method 1, 0.05”/min) ASTM D790 16,700 psi 115.1 MPa
Flexural Modulus (Method 1, 0.05”/min) ASTM D790 362.6 kpsi 2,500 MPa
IZOD Impact, notched (Method A, 23°C) ASTM D256 2.0 ft-lb f/in 106 J/m
IZOD Impact, un-notched (Method A, 23°C) ASTM D256 11.5 ft-lb f/in 613.8 J/m
Compression Strength ASTM D695 15.2 ksi 104 MPa
Compression Modulus ASTM D732 280 ksi 1930 MPa
Shear Strength (0.25” thick coupon) ASTM D732 8.3 57 MPa
Thermal Properties Test Method English Metric
Heat Deflection (HDT) @ 66 psi, 0.125” unannealed ————– ————– ————–
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 E228 3.67e-05in/(in∙F°) 65.27 μm/(m∙C°)
Melting Point ————— Not Applicable Not Applicable
Electrical Properties Test Method Value Range
Volume Resistivity ASTM D257 4.9e15 – 8.2e15 ohm-cm
Dielectric Constant ASTM D150-98 3.2 – 3.0
Dissipation Factor ASTM D150-98 .0027 – .0026
Dielectric Strength ASTM D149-09, Method A 290 – 110 V/mil
Other Test Method Value
Specific Gravity ASTM D792 1.34
Rockwell Hardness ASTM D785 —-
Flame Classification UL94 V-0
Oxygen Index ASTM D2863 0.49
Vertical Burn FAR 25.853 (Test a,60s, passes at) 2 seconds
FAA Flammability FAR 25.853 (Method A/B) < 5
OSU Total Heat Release (5 min test) FAR 25.853 36 kW/m-2
OSU Total Heat Release (2 min test) FAR 25.853 16 kW min/m-2
UL File Number ————– E345258
Outgasssing Test Method Value
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 Test Method Value
Vertical Burn (60 sec) FAR 25.853 Passed (0.040” – 0.250” thick)
Heat Release 65/65 FAR 25.853 Passed (<40HR Peak, 0.060” thick)
NBS Smoke Density (flaming) ASTM F814/E662 Passed
NBS Smoke Density (non-flaming) ASTM F814/E662 Passed