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More information Gestionar cookiesIn the world of FDM/FFF 3D printing, there is a family of materials that stands out clearly above all others, the PAEK family (polyaryletherketone or polyaryletherketone ether ketone). The materials belonging to this class are semi-crystalline plastics, which withstand high temperatures (around 200 ºC) while maintaining high mechanical strength values.
The PAEK family includes PEEK, PEKK and PEI. All of them have high mechanical strength, chemical resistance and high temperature flammability.
PEI 9085 pellets are one of the materials offered by 3DXtech, a renowned North American manufacturer specialising in technical materials for professional applications. PEI 9085 is a high performance material manufactured with Sabic's ULTEM™ 9085 resin. This resin is FAA approved for FST (Flame/Smoke/Toxicity) applications and complies with FAR 25.853 and OSU 65/65.
PEI is a high-performance amorphous polymer. PEI 9085 pellets are small cylinders of the highest quality material. They do not incorporate recycled or reclaimed material. Because of these qualities, PEI 9085 pellets are perfect for 3D printing, achieving high print quality. There are several methods for using pellets in 3D printing:
With the combination of PEI 9085 pellets and a good filament extruder such as Filastruder, it is possible to obtain 3D printing filament with qualities similar to those of a commercial PEI 9085 filament such as ThermaX™ PEI 9085.
When using PEI 9085 Pellets to make filament with a filament extruder such as Filastruder or using a pellet extruder for direct 3D printing, it should be noted that the extrusion temperature must be regulated in relation to the extrusion speed used. For optimal results, it is recommended to read the product's usage tips.
Filaments made from PEI 9085 pellets offer the possibility to create parts with excellent properties at elevated temperatures thanks to a high glass transition temperature of 186 °C. Thus, 3D printed parts made from PEI 9085 combine excellent thermal properties, exceptional dimensional stability, inherent flame resistance and good chemical resistance.
The most outstanding properties of 3DxTech PEI 9085 pellets are:
Due to these properties, PEI 9085 is an ideal material for:
This material is an advanced material that requires the use of an industrial 3D printer that reaches printing temperatures of 350-380 °C and a bed temperature of 140-160 °C. Due to its difficulty in printing, this material is recommended for expert users.
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To use PEI 9085 pellets, whether for filament manufacturing or direct 3D printing, you need a great deal of experience in the 3D printing industry and a filament extruder or a qualified 3D printer, as an extrusion temperature of 350-380°C is required. In the case of 3D printers, it also requires a base temperature of 140-160 °C and a chamber temperature of up to 150 °C. For this reason, it is recommended to use industrial 3D printers, which meet all requirements. To ensure good adhesion to the printing base it is recommended to use Nano Polymer Adhesive, and thus avoid the warping effect.
Post-processing:
During the printing of the desired parts with PEI 9085, internal stresses are generated, just as with any type of plastic, which can develop into unwanted cracks or deformations. Eliminating these stresses is very simple and only requires a hot air oven and the following 5 steps:
This process must be carried out by qualified personnel.
General information | |
---|---|
Material | PEI 9085 |
Manufacturer | 3DxTech |
Format | 1 Kg bag |
Density | 1.34 g/cm3 |
Colour | Natural |
Mechanical properties | |
Izod impact resistance (ASTM D256) | - |
Charpy impact resistance | - |
Ultimate breaking strength | - |
Maximal deformation at break | - |
Tensile strength (ASTM D638) | - |
Tensile modulus (ISO 6721) | - |
Bending strength (ISO 178) | - |
Bending modulus | - |
Surface hardness | - |
Thermal properties | |
Processing temperature | - |
Glass transition temperature | 186º C |
Melting temperature | - |
MFR Ratio | - |
Flammability (UL 94 @1.5 mm) | V-0 |
Additional information | |
HS Code | 3901.1 |
* The typical values listed in this table should be considered as a reference. We advise you to confirm the final results and properties with your own tests. For further information please refer to the product data sheet.
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