KIMYA PEKK-A
KIMYA PEKK-A
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Printing behaviour
PEKK-A extrudes between 370 and 380 °C on a heated bed of 110 to 125 °C, in a regulated chamber of 60 to 80 °C, at a speed of 20 to 40 mm/s. Its amorphous form and slow crystallisation rate make it easier to process than semi-crystalline PAEKs, but a high-temperature FDM printer with an enclosed chamber remains necessary.
Annealing after printing increases the rigidity of the material. Pre-drying is recommended, with the residual moisture content needing to remain below 1 %.
Properties and applications
With a glass transition temperature of 159 °C, a melting temperature of 308 °C and a maximum service temperature of 149 °C, PEKK-A combines thermal resistance, abrasion resistance and chemical stability on contact with hydrocarbons and fluids. Its low outgassing makes it suitable for vacuum environments, and these characteristics make it suitable for the aerospace, automotive, railway and medical sectors.
Store away from light, moisture and heat in order to preserve the product's properties.
Technical specifications
| Material | Amorphous polyetherketoneketone (PEKK-A), PAEK family |
|---|---|
| Polymer base | KEPSTAN® (Arkema) |
| Available diameters | 1.75 mm (±0.1 mm) |
| Colours | Several colours available |
| Density | 1.261 g/cm³ (ISO 1183-1) |
| Moisture content | < 1 % |
| Melt flow index (MFI, 380 °C – 5 kg) | 37–47 g/10min (ISO 1133-1) |
| Glass transition temperature (Tg) | 159 °C (ISO 11357-1) |
| Melting temperature (Tm) | 308 °C (ISO 11357-1) |
| HDT (1.8 MPa) | 172 °C (ISO 75) |
| Max service temperature | 149 °C |
| Thermal conductivity | 0.21 W/mK (ASTM E1530-11) |
| Extrusion temperature | 370–380 °C |
| Bed temperature | 110–125 °C |
| Chamber temperature | 60–80 °C |
| Printing speed | 20–40 mm/s |
| Infill | 100 % (rectilinear, 45°/-45°) |
| Tensile modulus | 2510 MPa (ISO 527-2/5A/50) |
| Tensile strength | 65 MPa (ISO 527-2/5A/50) |
| Elongation at break | > 5 % |
| Flexural modulus | 1660 MPa (ISO 178) |
| Flexural stress (3.5 %) | 63.2 MPa (ISO 178) |
| Charpy impact strength | 2.5 kJ/m² (ISO 179-1/1eA) |
| TML outgassing | 0.27 % (ASTM E595) |
| CVCM outgassing | < 0.01 % (ASTM E595) |
| Fire behaviour | UL94 V0 |
| Compliance | REACH, RoHS |
| Packaging | 0.5 or 1 kg |
| Warranty | 2 years |
Compatibility
- High-temperature FDM printers with an enclosed, regulated chamber (extrusion ≥ 370 °C, bed up to 125 °C)
- Printers designed for high-performance technical polymers of the PAEK family
About Kimya
Origine : France
Who we are
From professional FDM machines to advanced SLA and SLS technologies, 3DPrint.shop (By F3DF) is your trusted B2B partner for premium European 3D printing solutions.
We exclusively offer high-quality consumables and equipment from recognised European brands—guaranteeing traceability, reliability and a reduced carbon footprint. Our dedicated team supports professionals across Europe with expert advice, simplified purchasing and responsive support.
Discover materials, machines and services aligned with your commitment to quality and sustainable innovation.
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