A PEKK-based material
Antero™ 840CN03 is a PEKK-based FDM thermoplastic combining the excellent physical and mechanical qualities of PEKK with electrostatic dissipative (ESD) properties. The material is filled 3% by weight with carbon nanotubes.
As a high-performance polymer, Antero 840CN03 exhibits exceptional chemical and wear resistance, ultra-low outgassing properties and consistent ESD performance. ESD values range from 104 – 109 ohms per square inch. This makes the material particularly suitable for space and industrial applications where these qualities are critical.
Produce prototypes and low volume, highly customized parts with consistent ESD (Electrostatic discharge safe) performance that are strong, temperature and chemical resistant, ultra-low outgassing, and with exceptional wear properties.
Antero 840CN03 Material Profile
Learn more about the benefits of FDM printed parts
Lockheed Martin 3D prints space ready parts
Lockheed Martin uses additive manufacturing, and specifically an ESD PEKK-based material, to produce flight-worthy parts for the Orion space mission to Mars and beyond. Additive provides repeatability and reliability of parts, as well as extra methods to make them more lightweight.
Main Uses
With a unique combination of material properties this material can be used in the most demanding of applications, such as aerospace, space, and oil and gas. Stronger, stiffer, higher use temperature, chemical resistance compared to ABS.
Antero 840CN03 Material Applications
Aircraft components exposed to jet fuel, oil and hydraulic fluid
Spacecraft parts that demand low outgassing
Chemical-resistant industrial parts
Excellent ESD properties
Antero 840CN03 Material Specification
Properties and testing results for the 3D printing material
| Physical Properties | Test Method | Typical Values |
|---|---|---|
| HDT @ 66 psi | ASTM D648 Method B | 150 °C (302 °F) |
| HDT @ 264 psi | ASTM D648 Method B | 153 °C (306 °F) |
| Tg | ASTM D7426 Inflection Point | 158 °C (316 °F) |
| Mean CTE | ASTM E831 (40 °C to 140 °C) | 50 µm/[m·°C] (122 µin/[in·°F]) |
| Volume Resistance | ASTM D257 104 | 10-10 Ω |
| Specific Gravity | ASTM D792 @ 23 °C | 1.27 |
| Mechanical Properties | XZ Orientation | ZX Orientation | |
|---|---|---|---|
| Tensile Properties: ASTM D638 | |||
| Yield Strength | MPa | 95 (5) | No yield |
| psi | 13,610 (550) | No yield | |
| Elongation @ Yield | % | 4.4 (4) | No yield |
| Strength @ Break | MPa | 65 (15) | 50 (5) |
| psi | 9,150 (2330) | 7,320 (600) | |
| Elongation @ Break | % | 6 (3) | 1.8 (0.2) |
| Modulus (Elastic) | GPa | 3.17 (0.04) | 3.01 (0.06) |
| ksi | 460 (7) | 435 (10) | |
| Flexural Properties: ASTM D790, Procedure A | |||
| Strength @ Break | MPa | No break | 70 (10) |
| psi | No break | 9,760 (1580) | |
| Strength @ 5% Strain | MPa | 135 (3) | – |
| psi | 19,620 (380) | – | |
| Strain @ Break | % | No break | 2.4 (0.6) |
| Modulus | GPa | 3.24 (0.05) | 2.7 (0.1) |
| ksi | 390 (15) | 390 (15) | |
| Compression Properties: ASTM D695 | |||
| Yield Strength | MPa | 100 (2) | 105 (3) |
| psi | 14,920 (290) | 15,380 (500) | |
| Modulus | GPa | 2.61 (0.04) | 2.63 (0.04) |
| ksi | 380 (6) | 380 (6) | |
| Impact Properties: ASTM D256, ASTM D4812 | |||
| Izod, Notched | J/m | 48 (4) | 28 (8) |
| ft*lb/in | 0.90 (0.07) | 0.5 (0.1) | |
| Izod, Unnotched | J/m | 1,470 (690) | 128 (40) |
| ft*lb/in | 28 (13) | 2.4 (0.8) |
| Thermal Properties | Test Method | Value |
|---|---|---|
| Heat Deflection (HDT) @ 66 psi | ASTM D648 | 150 °C (302 °F) |
| Heat Deflection (HDT) @ 264 psi | ASTM D648 | 147 °C (296.6 °F) |
| Glass Transition Temperature (Tg) | ASTM D7426-08 | 149 °C (300.2 °F) |
| Coefficient of Thermal Expansion (X) | ASTM E831 | 39.23 μm/(m∙°C) (21.79 μin/(in∙°F)) |
| Coefficient of Thermal Expansion (Y) | ASTM E831 | 53.14 μm/(m∙°C) (29.52 μin/(in∙°F)) |
| Coefficient of Thermal Expansion (Z) | ASTM E831 | 50.52 μm/(m∙°C) (28.06 μin/(in∙°F)) |
| Chemical Resistance | Reagent | XZ Orientation | ZX Orientation |
|---|---|---|---|
| Tensile Strength | Dichloromethane | -88% | -74.80% |
| Ethyl Acetate | -2.90% | -2.30% | |
| Jet A | -2.10% | 7.30% | |
| MEK | -0.70% | -2.10% | |
| Skydrol | -2.10% | 6.30% | |
| Toluene | -5.00% | 1.40% | |
| 30% Nitric Acid | -5.70% | 5.70% | |
| 30% Sulfuric Acid | -9.30% | -10.10% | |
| 60% Sodium Hydroxide | -1.40% | 1.90% | |
| Concentrated Ammonia | -1.40% | 11.00% | |
| % Elongation @ break | Dichloromethane | 714.80% | 1598.40% |
| Ethyl Acetate | 4.20% | 16.20% | |
| Jet A | -0.40% | 7.00% | |
| MEK | -4.40% | 11.90% | |
| Skydrol | 32.30% | 9.70% | |
| Toluene | 17.20% | 32.40% | |
| 30% Nitric Acid | 61.40% | 52.40% | |
| 30% Sulfuric Acid | 47.20% | -5.40% | |
| 60% Sodium Hydroxide | 5.20% | -1.60% | |
| Concentrated Ammonia | 11.10% | 10.80% | |
| Tensile Modulus | Dichloromethane | -90.70% | -85.30% |
| Ethyl Acetate | 1.80% | 6.40% | |
| Jet A | 1.40% | 5.30% | |
| MEK | 3.10% | 4.30% | |
| Skydrol | 0.60% | 6.70% | |
| Toluene | -0.40% | 6.20% | |
| 30% Nitric Acid | -0.80% | -6.20% | |
| 30% Sulfuric Acid | -7.60% | -5.00% | |
| 60% Sodium Hydroxide | 0.20% | 3.30% | |
| Concentrated Ammonia | -0.40% | 5.00% |
| Flame, Smoke, and Toxicity cont. | Test Mode | CO ppm | SO2 ppm | NOX ppm | HCN ppm | HCI ppm | HF ppm |
|---|---|---|---|---|---|---|---|
| Toxic Gas Emission per BSS 7239, Rev. A | |||||||
| Antero 840CN03, Vertical – ZX | Flaming | 5 | 0 (NI) | 0 (NI) | 0 (NI) | 0 (NI) | 0 (NI) |
| Antero 840CN03, Horizontal – XZ | Flaming | <5 | 0 (NI) | 0 (NI) | 0 (NI) | 0 (NI) | 0 (NI) |
| Toxic Gas Emission per AITM 3.0005, Issue 2 | |||||||
| Antero 840CN03, Vertical – ZX | Flaming | 4 | 0 | 0.1 | 0 (NI) | 0 (NI) | 0 (NI) |
| Antero 840CN03, Horizontal – XZ | Flaming | 3 | 0 | 0.3 | 0 (NI) | 0 (NI) | 0 (NI) |
| Antero 840CN03, Vertical – ZX | Non-Flaming | 0 | 0 | 0 | 0 (NI) | 0 (NI) | 0 (NI) |
| Antero 840CN03, Horizontal – XZ | Non-Flaming | 1 | 0 | 0 | 0 (NI) | 0 (NI) | 0 (NI) |
| Peak HRR (kW/m2) | Time to Peak Heat Release (seconds) | 2 Minute Total HRR (kW-min/m2) | |||||
| Heat Release Rate of Cabin Materials per 14 CFR 25.853(d) | |||||||
| Antero 840CN03, Horizontal – XZ | 55.9 | 286.7 | 0 | ||||
| Antero 840CN03, Vertical – ZX | 55.1 | 293 | 0.1 | ||||
| Outgassing Sample | TML (%) | CVCM (%) | WVR (%) |
|---|---|---|---|
| Vertical Build – ZX | 0.41 | <0.01 | 0.17 |
| Horizontal Build – XZ | 0.45 | 0.01 | 0.15 |
| Testing Observations | |||
| Visible Condensate | Yes | Opaque | Yes |
| Percent Covered | 10% (ZX), 25% (XZ) | Interference Fringes | No |
| Thin | Yes | Colored Fringes | No |
| Heavy | No | Sample Appearance After Test | No change |
| Transparent | No |
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Tough long-lasting parts
FDM technology works with engineering-grade thermoplastics to build strong, long-lasting and dimensionally stable parts with the best accuracy and repeatability of any 3D printing technology.
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